It's time to think about bi-amping your speakers!

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Steve rolls up his sleeves and bi-amps (uses two stereo amps) to drive a pair of speakers! Good times follow!
Steve bi-amped his Klipsch RP600M and Cornwall IVs, and B&W 607S2 speakers, with Decware Zen Triodes, Schiit Aegirs, and First Watt F7/8 power amps.
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1 янв 2021

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Комментарии : 561

@SteveGuttenbergAudiophiliac 3 года назад

I think I explained bi-amping very clearly. NO extra parts (including crossovers) are needed. To bi-amp your present speakers all you need is: A speaker with double binding posts, two pairs of speaker cables, two identical stereo amps (or a receiver with bi-amp capability). THAT'S IT!! Of course, you can make it more complicated, but that wasn't what I set out to do. You don’t have to take my word for it about bi-amping, read the comments from viewers who are doing it! As I described in the video!

@HareDeLune 3 года назад

@GeneralCurtis3LeMay So, what's your point in this monumental diatribe? No one's putting a gun to your head, ya know. 🙄

@michaelweber5968 3 года назад

I'm about to try my hand at bi amping I'm making a set of speakers for it a wmtm out of live edge Walnut slabs and see for myself what this is going to sound like

@joemaison3597 3 года назад

Hi Steve, when you mentioned that some AVRs can be used to bi amp loudspeakers with dual binding posts, I dug out the manual for my Marantz SR. 7005 and read the bit about bi amping. I got myself two lengths of 14 AWG speaker cable and eight banana plugs and did the job. The sound was excellent before and now it is amazing. One thing to bear in mind is to allow the amp to settle with extra load of cables plus burning by playing music (Stereo plus sub, with bass management off) for a couple or so hours.Thank you, Steve. Many thanks, friend. Cheers.

@Kairo1985 3 года назад

In my opinion you should have really elaborated on the difference between horizontal vs. vertical bi-amping. A bit disappointing this was left out...

@michaelbutler2193 3 года назад

As I stated in my original comment, "I was disappointed", for the reasons stated. I never disputed the merits of bi-wiring. I didn't yell or use exclamation points, I just respectfully stated my opinion. In re-reading my comment and evaluating the tenor of the content, I standby my statement.

@ConspiredPictures 3 года назад

And I just put together my "perfect" system. Just when I thought I was out, they pull me back in

@OP3C 2 года назад

Thanks, Steve. Just tried this out. Improved the performance of these old Rti55i speakers quite a bit.

@seankelly6461 3 года назад

You know steve ive been with your channel for a couple years..im very thankful for this post

@WilliamCooper2005 3 года назад

Happy new year Steve. All the best for 2021.

@StephenSpelman 3 года назад

A couple of years ago, at the recommendation of the folks at The Stereo Shop in Hartford, CT, I bi-amped the amazing Bowers & Wilkins 805D3s I bought from them (bought on your recommendation) using my Sony AV receiver (also bought on your recommendation). Absolutely astounding sound, both for music and film/TV. The bi-amping really made an incredible difference.

@budgetfidelity599 2 года назад

Steve, thank you so much for this video, I've learned so much from you. Just tried this Vertical Bi-amp with 2X 829B Class-A Tube Amps, 12WX4 into my older Polk RTi8s. it was an amazing audio experience, punchy & speedy bass, clear & thick Mid, crispy high. I can't go back to my Bi-wired Cambridge setup anymore.

@ketilroaas-sedal816 3 года назад

I'm doing vertical bi-amping with two Bluesound Powernode 2's. Mainly for practical reasons. Works like a charm!

@seankelly6461 3 года назад

Anyway i watched this to learn and i bi amped my psb towers from my Yamaha rx v575 not only that it made me pay attention to what my receiver can do.OMG what a difference.The sound is so much warmer.i only tried the front psb but now im thinking of trying it on my bower and wilkins 620s

@paulm944 3 года назад

Happy New Year Steve. Thank you for another great video. You simply are the best of the audiophile world.

@memocruz2802 3 года назад

I did it a year ago with my klf30 and 2 amplifiers Rotel, one 200 wpc to woofers and the other 125 wpc to mid and tweeters and sounds amazing, nothing like before, I am so glad and happy, the power feels at low volume, do it bros you will be very happy with results

@sergiokwitko2418 3 года назад

Yes, I do use bi-amp with my speakers (vertical bi-amp, with two exactly same stereo amps), and the difference is very noticeable. Much better!

@Asianman02 3 года назад

I did this recently using my Cambridge audio Azur 650r on my PSB Imagine T2 and boy did it wake up my T2's! Doing this provided more dynamics and transparency. Plus it allows you to experiment with different speaker cables for the top or the bottom. My current setup is using second generation Kimber Kable 8tc for the bottom end and 4tc for the top end result, perfection to my ears!

@AlanKPet 3 года назад

Have a Marantz SR6007. Just purchased Klipsch Heresy IVs (thanks for your review) a month ago. BiAmped today. So far seems a bit more open plus cymbal decay was clear and long. Have an evening of deep listening. Thanks!!

@ThomasSielaff 3 года назад

Good morning and thanks Steve.

@FOH3663 3 года назад

Steve I'm glad you pursued this. The first thing I think about when encountering a low-watt sonic masterpiece like the Decware is multi-amping.

@alanbratt3022 2 года назад

Steve, great explanation of bi - amping. I'm currently using a Marantz SR5007 av receiver to bi - amp a pair of Mission MX3s. I found the difference was amazing. The soundstage opened up by leaps and bounds, with fuller, tighter base and much more detailed highs and midrange. Never going back again.

@CB-ou6gc 3 года назад

Thanks for the video! I Will be trying it in the future.

@scottbishop4698 3 года назад

Thanks for showing the ins and outs on this subject. I'm a big fan of the bi amp camp. I'm currently doing this on my Vandersteen 2ci with amazing results. I use a Sony Ta-n 9000 ES for the amp and its perfect. I had Definitive Technology set up on it but prefer stereo. I was watching a movie the other day and would've sworn I'd been dosed, the soundstage was stunning, with an almost holographic sound. The bi amp is worth the investment of extra cables if you have a surround system to adapt. Keep up the good work Steve.

@benjamin5909 3 года назад

With my onkyo tx rz 3100 and klipsch rp 8000 towers it made a world of difference in low and mid level detail and spacial fullness. Totally worth while. Overall volume highs got super bright. But I like bright speakers. I think alot would find fatigue setting in after a song or 2. I love home theater as well. And what a different sound. It was effortless in dynamics and dialog.

@uncola6028 3 года назад

amp companies would be very happy if we all decided to bi-amp :)

@josexavierjr.5633 3 года назад

When I get speakers with this capability, I will try it with my two Parasound amps currently used as monoblocks. Good video, Steve!

@davidh.7305 3 года назад

I tried this with my AV receiver on Monitor Audio RX8 speakers. I agree that there was an improvement in the overall presentation.

@gene8933 3 года назад

Steve I have Biamped several times in my 57 year audio journey with no success then i used amps with volume control then came great success . I have split La Scalas all drivers physically time aligned .I have a 4 watt triode tube amp on top end and 35 watt solid state A/B on bottom end.I have the magic of tubes top end and the slam of solid state bottom end. The sound stage is deep and wide. Imaging each instrument has its own place and you can tell where the singer is standing.The final piece to the sound was a edgarhorn subwoofer not just adding the last note in bass but I was surprised how it added ambience and made the lower register instruments bloom.Pre covid I went to about 40 blues and jazz shows a year with well controlled acoustics . I wanted my system to rival a live show. Part of the fun is the experimentation getting there.

@hxhdfjifzirstc894 3 года назад

Do you find that dimming the lights almost all the way helps to clarify the 3D soundstage? That is my experience. They say that blind people can hear slightly better, and I believe it.

@bloodonthesnow 3 года назад

great comment. i also miss going out and hearing music at a big scale regularly. covid has made my home system way more important to me. it's a luxury i'm really lucky to have, because it seems to make my brain a lot happier and better-adjusted if i get to listen to my system a couple times a week :)

@eggshellskullrule7971 3 года назад

So did I. 4 x JBL 4320, on Nakamichi pa7. To top end is anything from Rogers LS3/5a to Celestion SL7, again, driven as two ways by two stereo amp, or one stereo amp driving the pair. It depends.

@morganbailey5491 3 года назад

@@hxhdfjifzirstc894 Im not the only one! Me myself love listening in the dark. Get less room distraction more focused on tunes. 🎶

@thecheese2386 3 года назад

What great timing for this topic. I was just toying with constructing new bi-amp crossovers for my Klipschorns. I was also toying with figuring out the time alignment between the mid and tweeter by building a new dual upper cabinet for the horns and placing them on adjustable tracks (like the fellow who did machine work in one of your earlier segments). Might be a good summer project.

@johnsoma6485 3 года назад

A lot of the improvement is splitting the hi-pass and low-pass filter plus load apart. Now each amp only sees one of the filters plus load. Greatly reduces the weirdness of the reactive loads during transients.

@markloustaunau3340 3 года назад

I bi amped my stereo this morning, it's been a listening pleasure can't pull myself away from my system, dimension and detail is incredible, AR pre Mac 225 and solid state Hafler to B&W 803s it's gonna stay this way for a while.🙃

@hwoalang9 11 месяцев назад

Bi-amp works! Tried it and love it

@davidseidel9555 3 года назад

I took my old JBLs and split the divider circuit so each driver still had the original circuit upstream. Then installed biamp posts and set my yamaha 7.1 av receiver to work as 5.1 with the front mains biamped. The improvement was huge and all I had to buy were dual banana posts from parts express. A bit of soldering and elbow grease and the whole system sounds so much more beefy.

@avro66 3 года назад

Have biamped speakers since the 80s in various different ways solid state and valve or a mixture of both, had good and bad results depending on the equipment used, definitely worth exploring this topic.

@SaltFlys 3 года назад

The first time I bi amped was back in the mid seventies with a pair of Magnepans. I didn't do it again until recently with a pair of JSE Infinite Slope model 2's. In both cases, it improved the sound dramatically.

@sawyerandrobbie 3 года назад

I have crown XLS driving Klipsch 600m - using the ams internal crossovers - and can see the advantage of doing so. Sounds great! True. Wide soundstage

@luctardif8444 3 года назад

Thanks Steve for this test. Interesting 🤔.

@claretlover1 3 года назад

This is all very interesting. A few months ago I decided to experiment with bi-amping. I thought why stop at two amplifiers? To cut a long story short I bought four Chinese Nobsound mono amplifiers and a two way Linkwitz Riley electronic crossover pre-set at 2800hz cut off for the bass units.. I connected the whole lot up using splitter cables from the crossover to the amps. The result is amazing! I use an ancient Cambridge Audio Azur 640c and and equally ancient set of much underestimated Sony SS 176E speakers ( jumpers removed) all coupled with cheap but good quality interconnects and cables. I have to say that the system sounds as good as many of the ''high end'' setups that some of my more affluent friends posses. They begrudgingly agree with me and one of them so far, has bought the same units for their second system. Everything was bought from eBay and cost less than £200. Would gladly send pictures for your next feature on watchers systems if you wish.

@maxgeronimo3720 2 года назад

By any chance were the Nobsound mono amps you bought the 300B class A amplifiers? The tall looking ones?

@claretlover1 2 года назад

@@maxgeronimo3720 Hi I am using the cheap ones! and they are perfect but not very loud. Nobsound Mini Mono Channel Digital Amplifier HiFi Class D Desktop Audio Amp 100W

@maxgeronimo3720 2 года назад

@@claretlover1 Thanks and I appreciate the reply! ! I’ll check those out! 👍🏻

@alanshayler941 3 года назад

I did this years ago with a Griffin 20w value amp running the mid+tweeters and a 50w per channel denon running midbass/bass and it worked really well but but amps had their own volume control and the preamp too so I could fine tune the output from each amp to get a smooth cross over of power

@rodneydavis8110 3 года назад

I biamped my Klipsch RP280F with my Onkyo TX-NR797, I was so surprised ! By bypassing the crossover networks it improved the depth and clarity of every instrument and vocal heard. A crossover network is a compromise in filtering frequencies it can muddle and separate signals better quality components can help this, but letting the amps do this removes the need for this compromise and can wake up a dead spot in a crossover and allow an elegant design in a speaker shine!

@ythagakure 3 года назад

Happy New Year Steve! Thank you for sharing this info to our community. Much appreciated. In my DJ days... I used to Bi-amp a rack of crowns and never had any power or sound issues unless the 👮‍♀️ shut us down.

@BadgerMonkey 8 месяцев назад

I have a DC300 series II on Bose 901 and I'm thinking of getting another, but bridging the amps to mono and putting one on each speaker. I also have some Magnepan IIBs with bi-wiring that I could hook up like he did.

@robrickels3788 3 года назад

My speakers are home-made 18" 4 ways designed for bi-amping.They are powered by a 1993 Yamaha RXV870 for the top end, to a Marchand XM66 active X-over, NAD275bee for the bass (yeah, I like class D). This is one of the best sounding set-ups I've ever heard. Quiet or exceptionally loud, it's great.

@ericjohansen4083 3 года назад

I have been bi-amping for a decade and can't imagine not doing it with my current and past speakers. I had Paradigm Monitor 9s Mk 3 and they really responded well to a division of power to the bass and mid drivers and another amp dedicated to the tweeter. I pushed them with a NAD 916 with Power Envelope technology. The NAD 916 is a early surround amplifier. It has three separate 30W amps in one chassis. These are also bridgeable. I had two amps bridged for the bass/mid giving 65W (instantaneous peaks of 90W) and 30W for the highs (peaks of 45W). Sounded great with proper placement- pull out from wall and toe in. Recently I have leveled up to Klipsch La Scalas- Got a super deal on some demo models. I did the same amp set up-Bridged amps to the Bass unit and separate power to the mids and high horns. Klipsch horns are just magic and this scheme of powering them with dedicated amps yields stunning results. aggressive

@alessandrus 3 года назад

I´m listening my Paradigm Monitor 9 v.5 bi-amped by Marantz SR8002 with Belden cables for more than 10 years and it sounds really fine to me.

@DalKangh 3 года назад

Always bi wired but tried bi amping my mono blocks. Much better don’t know why i didn’t try it before. Thanks Steve

@GrahamAtDesk 3 года назад

I use my Audiolab 8000S integrated with its matched 8000SX power amp for bi-amping, and the difference is easily noticeable. It very clearly adds a bit of weight. Things sound slightly fuller. Definitely recommended if you've got kit that'll do it. Having said that, I'm currently running closed-box speakers from 1989 that only have one set of binding posts, as they suit the room I'm in at the moment a lot better.

@anystereo 3 года назад

I ‘biamp’ in a unique way. I love the low watt SET amps, particularly the 45, 300b, 801, and the pentode el84 wired in triode mode. Each of these has stood the test of time with me. I’ve used them with a number of speakers including b&w803’s various klipsch, fostex and lowther and quad esl’s and concentric tannoys. Passdiy offered the F4 a few years ago. This first watt amp is meant to take voltage amps and bolster their power with a pure current supply. The lowend of all speakers I’ve tried in and some of those listed above across the spectrum really shine when ‘biamped’ in this configuration. Thanks go out to the Reigning King of SS -NP. I imagine amps like the decware zen would bring their magic to the more challenging but worthy speakers like the KEF ls50 & the tiny BBC monitors when complimented by appropriate let’s call’m current followers’.

@jkim4712 3 года назад

I did bi-amping for years with tube int.amp on tweeters and SS amp on bass, best of both worlds. And could adjust volume on tweeters which works like tone control. Makes better sound than much more expensive amps always.

@scottspencer4018 3 года назад

It looks like Steve did a horizontal bi-amp configuration. I've been running my Dyna/VTA ST-70s vertically bi-amped per Bob Latino's suggestion for the past year. The result is wonderfully improved separation, clarity, soundstage, and dynamics. Tonal balance is roughly the same, so it still sounds like the same system, but many other aspects are simply better, bigger, more involving. This setup uses two identical stereo amps...one amp on each side that work like 2 channel mono blocks. The stereo signal from the preamp gets split to left and right sides like normal, but the amp inputs on each side share that signal, then one output channel feeds the woofer, and the other channel feeds the mid/highs, with the passive crossovers separating that output (active crossovers could also be used between the preamp and amps but are optional if your speakers already have passive crossovers and dual binding posts). This dedicates one channel to the tougher task of driving the woofers, while the remaining channel has the simpler task of driver the mids/highs, which improves clarity. In this setup each amp's power supply only has responsibility for one woofer, vs two with a standard stereo setup. I use matched EL34s/6CA7s per channel, but this setup allows use of different brands (or even different compatible tube types) on each channel....just do the same for each amp. I use tubes that have tighter bass on the woofer, and different tubes that have better mids/highs for the other output, so the sound can be more tailored more to your liking. I do have a powered sub that augments the lowest octave, which I keep turned down to hardly noticeable with the low pass crossover frequency at the lowest setting of 40hz. www.audioholics.com/frequent-questions/the-difference-between-biamping-vs-biwiring/HorizontalvsVertical.jpg/image

@tweakerman 3 года назад

Hello steve, I'm bi-amping with my Arcam alpha 10 integrated & Arcam alpha 10p power amp, the integrated runs the woofers & the power amp runs the tweaters, theses amp are around 20 years old & immaculate, I've looked after them extremely well, & these still sound wicked, I'm using my Monitor Audio GS10 loudspeakers with them, the combinations suits extremely well, a great subject as usual Steve👍

@dbrodbro1 3 года назад

Steve, thanks for the input. I'm having great results bi-amping Q Acoustics 3050's with Iota VX stack (pa3 and sa3). The Iota's were good in mono mode, but more presence and power in bi amp configuration. Better mains cables didn't hurt either. I can validate your experience.

@marktouchette1156 Год назад

I have 2 Marantz pm 10’s bi-amping concept 500’s, very pleased as well

@mondoenterprises6710 Год назад

I bi-wired my klipsch rp8000fs thru a sony es avr and I am happy with the results. More punch and detail.

@rbhis000 2 года назад

I built one Amp Camp Amp and loved it. Then I build a second and tried bi-amping them. My premise was that damping factor was a more important limit in my listening than the limited power deliver from the little amps. When not bi-amped, the woofers dominated the amps and the amp's ability to control the tweeter suffered. That affected all the spatial cues that come with high frequency clarity. It worked a treat, and I've stuck with bi-amping ever sense. I'm now running two sources into a pair of DIY B1 Korg pre-amps, tuned a little differently - super clear for the base and a bit more 2nd harmonic for the highs. The clear one drives an F5 clone and then my Forte woofers. The "Warmer" one drives and F6 clone and my Forte mid and tweeter horns. I've never looked back. Damping factor is a spec that is probably too little understood in HiFi.

@stephengarratt5076 3 года назад

My ATC SCM40 passives are tri amped, 2 x Audiolab 8000Ms for the tweeter and mid and an Audiolab 8300MB for the Bass. Sounds fantastic and friends who have heard my system are amazed! Preamp is the Audiolab 8000Q.

@spoohoo 3 года назад

I have the RP-600Ms biamped with a Jolida FX-10 on the tops, and two Schiit Aegirs strapped for mono on the bottoms, all driven by a Freya+ : Jolida from the single ended outputs and Aegirs off the balanced outputs. DELICIOUS. Keep up the good work: PS my wife isn’t so much a fan because I’ve bought so much stuff you’ve recommended! 😝🤣

@danielesbordone1871 3 года назад

Bi-amping is great. I have a Bryston 4b SST on my 15 inch Celestion woofers and a Rotel RMB-1075 (only 2 channels are being used) on the midrange (Visaton 2 inch dome) and tweeter (Audax) with a Rotel 1070 preamplifier with a double output. This is not the best of preamps , but it drives both amps with no problems.

@garyhilbolt4363 3 года назад

Steve, that explanation was on the mark. You explained the crux of the biscuit ever so succinctly.

@goodforwatch 3 года назад

biscuit 🙄 . really . . please don't tell me that you're British now🙏 . 🤭😂

@garyhilbolt4363 3 года назад

@@goodforwatch not hardly, I borrowed that cliché from Frank Zappa.

@HareDeLune 3 года назад

@@garyhilbolt4363 ( ' )

@donalddeorio2237 3 года назад

Happy New Year Steve. I had a pair of Dahlquist DQ20i and at the time I had a Carver avr100 reciever and an Adcom gfa5500. I bi amped the speakers using the Adcom for the bass and the Carver 150 watts channel for the mid and high frequency and they sounded amazing. That's my experience

@jimclark5617 3 года назад

Great video Steve! Bi-amp often both horizontal (as shown) and vertical. Also used active crossovers. Tried tube amps on top and solid state on bass. The gain characteristics or input impedance, made the tonal balance change with volume control position. Didn't work out.

@thomasmckinney2798 3 года назад

Steve. Very glad you mentioned AV Receivers and their Bi-Amp capability. I have an Onkyo TX-NR787 Receiver that I am using to Bi-Amp Wharfedale Diamond 250's (also a 220C and 210's) through Sewell Silverback 12 AWG Speaker Wire (my idea of a good match for a mainstream receiver). My source for stereo audio is an HP Win 10 Pro Workstation with an ASUS XONAR SE 192kHz/24-bit Hi-Res Sound Card and Toslink to the Receiver (I use a fanless graphics card and HDMI to run my Sony 65" 4K TV as my monitor, running HTPC audio/video through the TV via ARC HDMI to the receiver for all other content). I am streaming and downloading audio from Amazon Music HD which gives me 16/44.1 at the least, with an ever increasing selection up to 24/192. Not an Audiophile setup, but certainly serves me well at dual duty for 2 channel music as well as multi-channel home theater. Satisfied with the sound quality for music and concerts would be an understatement. Cello, pipe organ, 12 string, piano, Alice Cooper to ZZ Top, etc. The Wharfedale's and Onkyo really perform well together and I attribute a portion of that to being able to Bi-Amp. Hi-Fi has come a long way in the 5 decades I've been a half step below being an Audiophile. Thanks much

@TheTomt50 3 года назад

I've been saving my pennies so that I can cross over and finally buy a audiophile level 2-channel amplifier. In the meantime I did bi-amp my Yamaha RX-A2060 Aventage A/V receiver (no slouch as far as A/V goes) to my front Klipsch RP-280FAs. I have to admit I was skeptical, but the difference was immediately noticeable. Like others have noted, the bass is much faster, the lower midrange is more solid and the highs have, I don't know, more "airiness" from the horn tweeters. Nice video!

@willleavitt7156 3 года назад

I’ve bi-amped Clements RT-8’s, Martin Logan ST-10’s and Newform Research 645’s all with good success over the years. Never thought of going back

@jp2246 3 года назад

Thanks for this!

@dock6945 3 года назад

Happy New Year Steve! Hope to see a review of a pair of Alta Audio speakers

@stephenduffy1881 3 года назад

HI Steve, happy New Year. Bi amping changed myh HI FI experience. I use CLass A First Watt M2X on the top and ChiFi Class D down below with MiniDSP on the bass only. Stunning effect on the bass, top and mid range as lovely as ever, getting awy from the crossover is so good. Cheers.

@danmarjenka6361 2 года назад

Except you didn't really get away from the crossover. It's still in the circuit between the speaker posts and the drivers.

@jimdavis5230 3 года назад

I bi-amplified my Tannoy XT8F's and was impressed with the improvement. Cleaner, faster bass, far better mid and treble fine detail. Also improved sound stage width and depth with holographic imaging. On some recordings I hear sounds coming from the side of my listening position which makes me jump.

@jimdavis5230 3 года назад

@GeneralCurtis3LeMay I'm using two dual monaural lateral power mosfet, dc coupled power amplifiers. Each channel has it's own 625VA toroidal power supply and uses four Exicon lateral power mosfets fed from a split 80-0-80 volt supply. I designed and built the power amplifiers a few years ago. I'm using four Gale OFC 2.5mm speaker cables which are each 2m long. I designed the power amplifiers to have a voltage gain of 22 so I can drive them directly from my Topping dac. I operate the dac in pre-amp mode using the remote control to adjust the volume. The 2 volts RMS output from the dac will drive the power amplifiers to 44 volts RMS output which equates to to 244 watts into 8 ohms. Obviously I never run anywhere near full output power. I only use a maximum of 10% of the available power in order to prevent clipping on transients.

@jimdavis5230 3 года назад

@GeneralCurtis3LeMay Here is a link to photo's of one of my power amplifiers on posting 6902: www.diyaudio.com/forums/solid-state/96192-post-solid-pics-691.html My previous posting on here stated a split supply of 80-0-80 volts which is 160 volts with a 0 volt centre. Full power unclipped sinewave at 1KHz into 8 ohms is 272 Watts per channel and 450 Watts per channel into 4 ohms. Tannoy speakers work best with high damping factor solid state amplifiers and mosfet power amplifiers are wide bandwidth, high slew rate and high damping factor. Bass reflex loaded speakers rely on amplifier damping factor to damp the bass cones apart from around the frequency where the port operates. Around 20 years ago I designed an improved crossover for the Tannoy HPD 385 and 3828 drivers which has been copied by many people world wide who were very pleased with the improvement. I therefore do know Tannoy's very well indeed.

@jimdavis5230 3 года назад

@GeneralCurtis3LeMay Send me photo's of amplifiers you have designed and built which you consider far better than mine. You obviously consider my engineering to be poor and I'm sorry you think that. My amplifiers are flat out to 60KHz. My power output claims are based upon my own measurements using an 8 ohm load, an oscilloscope and a true RMS reading digital volt meter. Driving both channels makes no difference to the output power because each amplifier channel has it's own separate 625 VA power supply. My power amplifiers are flat within 0.1dB to 60KHz. Regarding the older Tannoys, even Steve has listened to them and correctly stated that they don't have the fine detail of modern speakers. I look forward to seeing your designs to prove that my designs are so poor.

@jimdavis5230 3 года назад

@GeneralCurtis3LeMay Ask Steve regarding what amplifier he used to listen to the older Tannoy....and I worked for Radford audio back in the mid 1970's. Have a nice day chum.

@leekumiega9268 3 года назад

@GeneralCurtis3LeMay How do you figure that +/- 80V rails can't produce 244 watts RMS (not peak) into 8 ohms ?

@mariorodriguez5197 3 года назад

Hi there, I found this idea so interesting and I wanted to try it, but the lack of two identical power amps sort of almost stopped me from at least trying,,,, but I decided to give it a go. I’ve combined a sweet old Naim NAP 150 / 50 watt power amp and a brand new awesome Denafrips Hyperion, 80 watts power amp. Controlled by a Denafrips Hestia preamp which has one set of XLR outputs going to the Hyperion, and another set of RCA outputs connected to the Naim. All this finally connected in biwire mode using two pairs of Zu Audio speaker cables to my beloved Proac Response One SC speakers. Suddenly my stereo system completely disappeared and I was listening to a live band.... right on front of me.... thanks so much my dear sir, life is great !!!!!!

@RickRoberts_simplyrick 3 года назад

Use one stereo amp on each speaker, sitting right behind each speaker, with short speaker cables.

@ernestwije3050 3 года назад

I've got a pair of B&W 801 Nautilus's, that I've tried a bunch of different amps on including McIntosh 1.25KW's. Currently bi-amping with a Rogue Atlas Magnum with KT120's driving the top end and a Bryson 4B SST on the bottom. Sounded bass heavy at first and switched back to a Bryston 4B ST which has less power and was a better match. Subsequently. tried McIntosh's MC901's approach and introduced an ART 2 way crossover with gain control. Switched back to the 4B SST and dialed it in. Wow! Very impressed with the sound. Source is Tidal, pre-amp is a McIntosh C1100 and DAC is a Lampizator Atlantic.

@jamesfreckleton5372 3 года назад

Hi Steve I have an Arcam Alpha 7 integrated and an Arcam Alpha P8 power amp with the 7 driving the tweeter and the P8 driving the base on my Polk Audio A1a speakers and the improvement is really noticeable over just using the integrated. Thanks for another great video.

@nickwhitehead8131 3 года назад

I've done the same for years with an Arcam Alpha 8 and Alpha P9 power amp driving AE floorstanders.

@NoEgg4u 3 года назад

Vandersteen speakers, model "Quatro" and up, are all bi-amped, via external high-pass passive filters. The high-pass filter reduces the bass frequencies by 6 decibels (I believe), and compensates for that reduction via the amps that power the woofers. The midrange and higher frequencies are passed through "as is". The advantage to the above design is that the amps that power the top section of the speakers (where your ears are most discerning)... those amps have far less bass content to deal with (and it is the bass frequencies that put the most stress on amps). So your amps that are dedicated to the mids and highs are relieved of dealing with difficult bass frequencies (not completely, but to a large degree), allowing them to more efficiently, more correctly, and more musically power the range of sound that you hear the best. The speakers are designed to reverse the -6db bass that is going to the woofers, leaving your bass section sounding neutral and correct. As an aside, the Quatros and up do their own version of DSP, with the bass. When set-up professionally, with sound pressure level meters, it does a wondrous job of compensating for bass issues that are inherent to 99% of listening rooms. It is not a substitute for room treatments. It is a compliment to room treatments, and can do its job independently of room treatments (although room treatments are still beneficial, and significantly so).

@j.craigh.3480 2 года назад

I had an older NAD integrated amp that had A & B speaker terminals and the switch was A or B or A and B at the same time. I bi-amped a set of speakers and it was just as you described it. The sound had more Umph to it, more body. Which makes sense because instead of splitting the power rating between the woofer and the tweeter each got full power.

@enowilson 2 года назад

So you had no trouble with A+B whatsoever? I happen to own a stereo power amp with the same speaker choices (A, B, A+B), and at the rear the A+B option states 8 to 16 ohms, whereas my speakers are 6 ohms. What does your amp states at the rear, and what's the impedance of your speakers?

@j.craigh.3480 2 года назад

@@enowilson I had no problems, my amp had a switch for either 8 or 4 ohms so I had it set to 8 ohms and my speakers were rated 8 obms also. I would check with the manufacturer of your amp to see if or what you could do as I’m not sure. I know a lot of the newer amps don’t specify 6 ohm but you can power 6 ohm speakers with them. Sorry I couldn’t be more helpful.

@davidsagarra9841 3 года назад

OF COURSE THERE IS A DIFFERENCE!! I have tried 3 different bi-amping combinations with my pair of Klipsch 280 RP-280F (not high end gear unfortunately but always very common pedestrian amplifiers) and the common factor has always been the preamp (NAD C165BEE) which has two outputs and, even better, it has a knob to lower one of those outputs down to -12dB versus the other output so that you can perfectly balance your amplifiers. The combinations I have used: a) Gemtune GS-02 KT88 valve amp for HF Harman Kardon AVR2600 for LF b) Gemtune GS-01 LE34 valve amp for HF Gemtune GS-02 valve amp for LF c) Gemtune GS-02 valve amp for HF Rotel RB-1050 amp for LF Everytime, the sense of a larger soundstage has been evident (very evident) but, everytime, at the moment of pumping the volume up (85dB and more at 9 ft from the speakers) the problems start with gritty sound and distorted midrange; listening at contained volume has always been a real pleasure. I guess I need to look two amps of better quality...

@JoelHacker 8 месяцев назад

I am bi-amping with my Pioneer VSX-935 receiver and Klipsch F-300 speakers. The receiver does have a bi-amp setting. 12 gauge wire is being used from each channel to power the speakers. I don't have fancy equipment to take measurements, but the difference is astounding! It does sound to me that there is more wattage, but that's just my perception, I'm sure. There is definitely more punchy sound with less distortion. The bass and treble are definitely clearer, with more dynamic range.

@donb.1426 3 года назад

Oh great! Now I have to buy another amp! Thanks Steve!

@JohnDoe-np3zk 3 года назад

I found the same Bryston 4BSST I bought in 2004 and while it's nice they are selling for more than I paid for mine, it's tough to pay more than I paid for mine 15 years later. Kind of puts a damper on the bi amp idea. Actually my intent would be to use them in a bridged mode as monoblocks to see if I can blow up my Magnepan LRS.

@jhschmidMD4 2 года назад

There's no questions that bi-amping will yield an improvement in clarity, richness, and tone. Even using a HT receiver that has extra surround channels that can be used for bi-amp, will deliver impressive results. I was amazed when I first tried this, and even though doing this limited my HT receiver from a 7.1 down to a 5.1, I could not bring myself to change it back afterwards. The front sound-stage just sounds too rich, too glorious, to give it up.

@garyausten5939 Год назад

When i replaced a 20-year-old 5.1 receiver with my AVR-X4700H I bi-amped my Klipsch RP-600Miis using an unused height channel. I love it (so far). If I get a second set of heights to go in the rear, I'll lose it unless I buy a new amp and use the pre-outs. As it is, my 6.1.2 system sounds great (I had to remove my center cannel speaker to put my new turntable on the top shelf - Rega P2 with the VM540ML stylus).

@KCYT2010 3 года назад

I've been vertically bi-amping with identical amps for 20+ years. The difference is significant. I'm surprised this is such a revelation for you Steve.

@Rickzolla 3 года назад

I have two PrimaLuna Prologue Five amps, biamping a pair of Tannoy Revolution 8XT floorstanders. KT88s for the low end and EL34s for the top end. Sounds great to me, but really only works in winter. Summertime it's back to one Schiit Vidar.

@liquidone2908 3 года назад

I'm bi-amping with my Sony DA2400es, this has bi amp feature AND pre amp out. So yes, I am using another Sony stereo amp to power the lows. I prefer to offload some of the power to another amp, it probably creates a little noise for the extra signal path but right now, it sounds good. I'm looking to get 3xCambridge Audio p500s for my rear, centre and replace the Sony integrated am using as a power amp. I do have 5.1, using the SoundblasterX AE-9 as a transport/pre amp. For media playback a 5.1 dac is incredible. Of course analog from the PC using a sub £50 2m cable for all channels then a more expensive jumper length from Sony to Sony and QED XT40i to my bi amped speakers. Good power cables and a conditioner. Soundstage, detail, power, it has everything right now and I know the bi amping improved the soundstage and detail when I first tried, I was hekkin impresssed. Anyway lol thats my life story \o/

@jackwalton1975 3 года назад

Biamping SEAS Thors with Passdiy F5's -- sounds great!

@TheDecguy 3 года назад

I remember years ago the “fad of the day” was a Dynaco ST 70 on the bottom and another one on the top. Since I was “lucky enough” to have a pair of them I gave it a try. I even convinced myself at the time that it sounded good. These days I can think of all sorts of reasons why maybe I was fooling myself. But it was fun.

@johngutmanis3580 3 года назад

Several years ago I purchased two PrimaLuna prologue 4 stereo amplifiers to bi amp my Cornwall speakers. And it sounded great. I acquired a pair of Magnepan MG - I’s very old speakers. they were not bi ampable, and they did not sound very good with a single PrimaLuna amp. I even went out and purchased an old Yamaha P 2200 amplifier for the Mg-l’s, thinking that more power would be the answer. but they never sounded good. I then rebuilt the crossovers on the Maggies and made them bi amp. When I bi amped with the prima Luna‘s they sounded good so good in fact I started watching your RU-vid channel and traded them in on a pair of .7’s. The .7 was much more detailed and open and better soundstage than the Mg-I but did not sound as great as you or other reviewers had raved about them. Then I tried the old Yamaha with 220 watts per channel, wow what a difference that made. I just traded in the .7 for 1.7i and to be very honest you get more sound, better bass but somehow I feel the .7 is a faster speaker. With the cormwall I plan to bypass the passive crossover and use an active crossovers with the Yamaha for bass and the PrimaLuna’s for mid and treble. Right now the 1.7i are powered by a 350 watt McIntosh amp, they do need good power!

@user-fh8xo5nw7h 5 месяцев назад

I have a pair of Electro-Voice interface D speakers with C/D Interface equalizer (required for these speakers), which then feed a Dalquist DQ-LP1 low pass filter, which in turn sends high and low pass signals to two BEL 1001 MKIV amplifiers. The difference in my bi amp setup is I have the amplifiers next to each speakers, so each amp channel gets a high and low signal (instead of segregating high and low signal between amps). The resulting sound matches your results, but to my ears this is the best sound I have had in my listening room thus far. All this is fed from an Audible illusions M3A preamp, but I have also had the similar results with an old Pioneer silver series C-21 preamp. I experimented with with various speaker amp combinations, some bi-amped or bi-wired, but the only other setup where I could say that the listening experience was as good, albeit with chamber and classical music, was with Quad ESL 988 + Quad 405 MKII combination (non-biamp).

@bernhardmichaelfux308 3 года назад

I do vertical Bi-Amping since i have finished my JBL 4341-Clones in 2018, which are built for 4way reproduction of the sound. the right side of each power-amp goes to the subwoofer, and the left side drives the rest of the 4 Drivers as are mid-range, mid-bass, and tweeter! The power-amps are from Chorea, DYNAVOX, and deliver 60Watt/Ch, so I feed 120Watts into each speaker! The Preamp is a Tube-Preamp, also from DYNAVOX, and connects with two Y-interconnect-Cables. My experience? 1.Class from the first second on! It sounds great, dynamics are awesome, and I am really proud of what I have achieved with so little money! The amplifiers were an amazon-warehouse deal, and I just paid 150,- Euro per Power-amp, and the tube Preamp (with included phono stage) went over to me at about 180,- Euro! Altogether, with interconnects just 500,- Euro! lol...And the sound is grown up! Tube Preamp Dynavox TPR3 and Poweramps Class A/B, DYNAVOX ET100 can be found easily on Amazon, and they have pretty good critics! For me, they sound like the big stage of music, just as I wanted them to do...

@birgerolovsson5203 3 года назад

I bi-amp my Elac FS 507 with two Primare A 34.2 using Purist Audio Design XLR-splitters. Earlier I bridged my Primare A34.2's but now I Bi-amp with them.

@birgerolovsson5203 3 года назад

+Happy New Year!

@sonusancti 3 года назад

The quest to squeeze every ounce of improvement is intrinsic to any audio enthusiast and last year I tried bi-amping using two Chinese hybrid amps that I thought were overachievers considering I got them for less than $200 a piece bnew. I also got a Pass inspired 20W class A solid state power amp so I think its easy to predict what combinations I tried. My results, same with Steve, is that bi-amping with the same identical amps work best but only if its done horizontally as he did. Vertical bi-amping i.e. using Amp A to drive one speaker while Amp B drives the other for some reason wasn't as "coherent" or as musical as horizontal bi-amping. I'm sure an engineer can better explain the reason/s. Could be higher IMD in vertical b-a perhaps. In using solid state+tube to drive LF+HF gave bad results as Steve's when he used Schiit and Zen together. The hardware difference is really audible which results in what I'd call a "mermaid effect". The halves are audibly incongruous. Hope this helps.

@keithmoriyama5421 2 года назад

Bi-amping my system is the only change I've made that revealed a DYNAMIC difference. Magic wire, over priced separate components and all of the other 'tricks' I've experimented were in my imagination. When speakers are bi-amped they 'float' in the air. They are not more detailed; they don't have a larger sound stage, they have no more heft. What they do is float effortlessly. There is no constraint between drivers. Instruments do not fight for space in the mix. Holographic spacing. One caution: the speakers I biamped were Tannoy studio monitors which are meant to be bi-amped so the cross over is specifically designed for this signal path. When you biamp you are still using the internal cross over of the system. They only difference is you do not get the interference between multiple driver loads.

@danielmiller469 3 года назад

happy new years

@robm321 3 года назад

I have tube and solid state amps (biamping). I use the tube amp in pentatode mode for the lows and solid state for the high. Sounds dramatically better than either amp alone. And yes, I tried the tube for the highs. The Pass Labs SS sounded better on top.

@jasonskinner6476 3 года назад

I have been experimenting with bi-amping a set of speakers. Because of my somewhat tight budget I have used pair of Emotiva BasX A-100 Stereo Flex Amplifiers.

@lrdmagoo4754 3 года назад

Good morning. I was planning on using the same amps. What was the result? Did you feel it made a difference?

@armandorancano6415 3 года назад

Steve, I was told by Audioquest that the cables from each of the amps to the speaker needs to be the same. They gave me some technical reasons I don't understand but they were pretty firm about it. Nothing would blow up but it would not sound right. Like I have a Robin Hood Zero as my main speaker cables and a Castle Rock in my secondary system. The advice was not to use both but to get a second of the same type.

@ChannelSyxx 3 года назад

More great info. I had my rp280s biwired and they sounded great but haven’t tried it with my Cornwall IV’s yet.

@99thDimension 3 года назад

The mis-match between the amps was being caused by time delay a good electronic crossover has vol and time delay functions for low and high.

@riccitone 3 года назад

Thank you for this...Have been curious about this arrangement! Was considering a dual mono approach for left/right and leaving jumpers. More cabling with bi-amping, but wonder how it compares with using mono-blocks. And, Happy New Year Steve! Looking forward to what you’re bringing for 2021🙏🏼👍🏼

@robertdebellis9703 3 года назад

About 20 years ago there was a brand of speakers (Wave something or other) that the designer built without a cross over netw He drove them with one or more Bryston 5 channel amplifiers. This was to avoid the time distortions caused by the cross over network which I imagine. screws up imaging and depth.

@sevestan 7 месяцев назад

As an electronics tech I thank you for this video....should have enough work the rest of the year fixing all the blown up amplifiers we will now get to service.

@mkshffr4936 3 года назад

I can definitely see an engineering reason why the passive biamp could make a difference. It could simply be a matter of the interaction of the low and high pass filters reflecting back into the amp. I would especially suspect the woofer network affecting the mid/tweeter performance. Steve, I would love to here if you have experimented with series crossovers.

@johnlong9862 3 года назад

Have you ever try dual mono vertical bi-preamping + dual mono vertical bi-amping with two identical integrated amps？ About thirty years ago I've used two NAD 304 integrated amps for exactly that. I've used one for the left channel the other one for the right. The sound stage width, height, depth, quality and ability to hear deep into the music increased by at least 4 times !💥

@ProgRockKeys 3 года назад

Bi-amp is required for my current hungry IRS Betas, I’m still using my stop gap “temporary” set up of an old SAE 502a on top end, and an Adcom GFA 555 on the woofers. Would prefer Audio Research w/ tubes on the panels, something with a volume control. I have VTL 300 Mb, gonna drag those back out soon and retest, after recently discovering I had an ac outlet wired backwards (!), which might explain my fuse blowing issues. Fingers crossed.

@jlmain5777 3 года назад

I suggested this to my wife and she said she wasn’t interested.

@swordmonkey6635 3 года назад

Get a drink or two in her. She'll warm up to bi-amping if you leave her in the room alone with the gear to begin with. ;-)

@breakoutpete210 3 года назад

It’s disgusting and weak when grown men have to ask their wives for permission to do something...🤦🏻🙄

@MikeDawson1 3 года назад

@@breakoutpete210 I believe the innuendo went over your head

@jlmain5777 3 года назад

@@breakoutpete210 It’s a joke dude. Cool your man jets.

@breakoutpete210 3 года назад

@@jlmain5777...afterburners

@mayankpatel6943 3 года назад

I have my Q Acoustic concept 40 tower speaker biamp with Marantz SR 6013 AVR , it created wider sound stage and clear the sound of small instruments with was not audible with normal amping but doesn’t become louder

@1119jblack 3 года назад

After watching Steve's review of the McIntosh MC901 tube/transistor monoblock amps where he said the solid state was for the woofers and the tube for mids/tweeters I immediately set to test biamping my speakers with the class D I was already using for just the woofers and a solid state amp I have that's designed to behave like a tube amp for my mids and tweeters. I had tried the wannabe tube amp before and didn't like it's lack of midbass. But biamped me likes! The wannabe tube amp has warmer mids and highs than the class D and makes the sound a more pleasurable experience. The wannabe tube amp has level controls so I could adjust it. No, it'll never be the McIntosh monoblocks, but I am sold on the biamp idea, especially if you have two different amps that excel at different parts of the audio spectrum. You can use each amp for what it does best.

@naim70s 3 года назад

Hey Steve, what’s up! I use a combination of valve and class-D amps. My preamp is the Musical fidelity Primo pre amp (14 ECC81 Valves) and the the Auralic Merak Monoblocks (2 for highs & 2 for lows). The speakers are Harbeth SHL5 30 anniversary. A lovely clean sound.