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Tweaking the mighty AMPEG V4 Guitar Amp! 

Johan Segeborn
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29 окт 2024

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Комментарии : 158   
@ER-yq1lc
@ER-yq1lc Год назад
Back in the 80's my punk band had a V4 with a coin operated timer switch from a laundrymat dryer. It would turn off in the middle of a song and we would ask the audience for change to keep playing.
@JohanSegeborn
@JohanSegeborn Год назад
😂 Cheers!
@riangarianga
@riangarianga Год назад
Clever trick! 🤣
@mohamedtlass3842
@mohamedtlass3842 Год назад
This is the funniest comment so far on Johans channel!
@area51pictures
@area51pictures Год назад
BEEN WAITING FOR YEARS FOR YOU TO DEMO THIS AMP. Hearing your fingers / dynamics through those speaker cones was so worth it! Cheers from LA
@JohanSegeborn
@JohanSegeborn Год назад
Thanks my friend! Glad to hear it. Cheers!
@Burkhimself
@Burkhimself Год назад
Back in the mid 90’s, I was in a band and there was one of these in a studio. I played a few tracks “straight in”……in the room, it sounded like an AM radio. On the playback, it sounded like Soundgarden.😎
@megadjc192
@megadjc192 Год назад
I own a VT-22 that was put into a head cabinet. You have a post 1975 unit. I restored mine and not many tubes can survive the 540v on the plates lol. Wicked cleans and great reverb. Also one of the greatest amps for pedals. (Edit: And just so people know, the v-4 is the head version of the combo vt-22. They in fact the same amp.)
@JohanSegeborn
@JohanSegeborn Год назад
Thanks for the info!
@megadjc192
@megadjc192 Год назад
@@JohanSegeborn I should also note that this only applies to the pre 1975 pre distortion models. Yours is a distortion model so it will sound quite different in its characteristics. I forgot how much they differed.
@johnnylang4367
@johnnylang4367 Год назад
I’ve owned the V-4, VT-22, V3 and VT-40. Only own 2 VT-40 top loads now and by far my favorite out of all of them. There’s something about the stock altec 10’s with those combo amps and they sound marvelous and have some of the best EQ controls of any amp. Midrange sounds like a wah pedal when cranked.
@robertmaune8557
@robertmaune8557 Год назад
Yep. I own two V2s, a V4, V2 and V4 cabinets and a VT40, and I agree.
@jcoulter43
@jcoulter43 Год назад
So 70's 👍 Johan, you're tone is really in your fingers. Great demo as usual. God bless and rock on 🎸😎
@JohanSegeborn
@JohanSegeborn Год назад
Thanks man that’s kind of you! Rock on!
@mikejordan6093
@mikejordan6093 Год назад
These amps were everywhere when I started in bands in the late 70s - early 80s - and every kind of music - new wave, hard rock, punk. You're getting killer tones out of it - better than we ever got!!! Thanks for the memories. Cheers!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Mike! Cheers!
@GuillaumeVrac
@GuillaumeVrac Год назад
I like those juicy punchy tones & riffs here!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks, really good to hear that!
@darrellminx5459
@darrellminx5459 Год назад
Great sounding amp. Thanks Johan. Cheers from Hawaii!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks man! Cheers from Varberg!
@R3TR0R4V3
@R3TR0R4V3 Год назад
Time to get your Josh Homme/QotSA on! 😎 What a beautiful amp. You're a lucky guy!
@JohanSegeborn
@JohanSegeborn Год назад
Yeah I love QotSA
@jww732
@jww732 Год назад
Youre the best at tweaking ! First band I was in used these and they are amazing! Great pedal platforms. Loud as hell !
@JohanSegeborn
@JohanSegeborn Год назад
Thanks, glad to hear it!
@SuperJohnsWorld
@SuperJohnsWorld 9 месяцев назад
I missed this video when it came out. I have an Ampeg V4 that I put 4 early 80’s G12-75t’s in and it’s killer! The V4 was Ken Fischer’s cab of choice!
@zhou_sei
@zhou_sei Год назад
every amp you play is my favorite amp
@JohanSegeborn
@JohanSegeborn Год назад
Thanks my friend!
@jessemcinturff1268
@jessemcinturff1268 Год назад
I'd love to hear you attempt the QOTSA - No One Knows tone. Its supposed to be an Ampeg with a zvex super hard-on as boost and mic'ed with an off axis U87. Been chasing that sound for years and years. Been watching your stuff for years man and you're clearly the master of classic rock tones.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Jesse! Glad to hear it. I think maybe Livingroom Gear Demos have done his tone
@jessemcinturff1268
@jessemcinturff1268 Год назад
@@JohanSegeborn I've seen his but I'd love to hear your take on it too!
@MrRawnch
@MrRawnch Год назад
Great to see you rocking a mid 70's distortion model V4. These are great amps that are often overlooked by guitarist because they don't associate Ampeg with guitar. I have the same model that is showcased in your video as well as the rare 300-watt V9 with KT88's. This amps are killer for either bass or guitar.
@psychorock83
@psychorock83 Год назад
finally... they are super amps for guitar and bass i liv em
@JohanSegeborn
@JohanSegeborn Год назад
Cheers
@williegates0
@williegates0 Год назад
Awesome video!! Thank you for showcasing this amp!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks! Glad to hear it!
@OgreDaddy
@OgreDaddy Год назад
Hey! Been a while, getting me excited about the 76 Ampeg VT-40 a friend just gave me. Needs going over, but minty clean. Most happy to see you doing well.
@siegfriedwashburn3484
@siegfriedwashburn3484 Год назад
Hi, Johan! This is really interesting to see so rare amp in work! Thank you for this work 🙏! C.U. S
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Siegfried! See you!
@scottstewart6353
@scottstewart6353 Год назад
The ultimate bedroom amp!
@JohanSegeborn
@JohanSegeborn Год назад
😎
@dylanjastle
@dylanjastle Год назад
Love this format of video from you!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Dylan! Great to hear that!
@leeyoungun
@leeyoungun Год назад
Great demo! I miss my old V4. Had an early 70s version. That thing could grind and was so f’ing loud!
@truereligion7752
@truereligion7752 Год назад
Wow wow what a sound my man Awesome playing Johan
@idogepgyar
@idogepgyar Год назад
I've got the master volume model, without the distortion knob. Love the pushed reverb tone in these amps. Perfect for pedals and big, open chords.
@eddieholmes3236
@eddieholmes3236 Год назад
What a fab amp. Really earthy. No one demos these better than Johan. Enjoy the summer house!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Eddie! Yeah I’m enjoying the Swedish west coast! Cheers
@darwinsaye
@darwinsaye Год назад
I know this channel and its fans are mostly into tight Marshall type distortion, but that collapsing fuzz-like tone at 5:00 is my favourite. It sounded like a cranked Tweed Deluxe, which for me is the best amp distortion sound of all time.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks, yeah there were some cool rough tones in there
@kbkman7742
@kbkman7742 Год назад
It's a convincing small amp tone now you point it out. Would be fun to play
@goodun2974
@goodun2974 2 месяца назад
What you're hearing here is the sound of an Ampeg amplifier with ancient filter capacitors and cathode bypass capacitors in need of replacement; possibly some off-spec resistors, weak tubes and the wrong bias point as well. Blocking distortion is quite audible and the amp sounds a little bit sour or off-pitch in some places, which is an indication of bad capacitors. John is an excellent player and so I know it's not his playing that sounds weird here! It's OK to "like" the sound of an amplifier that is ailing and in need of service, but it's certainly not how this amp sounded when the Rolling Stones and other big bands were touring with them. It's not really supposed to sound "like a Tweed Deluxe"! They don't really sound like a Marshall either.....
@plexidust5101
@plexidust5101 Год назад
This amp is a whole other world from Fender and Marshall. Unless your going to put a pedal in front of it you are better off with the stock Ampeg cabinets, especially he Altecs. EV's if you got em too. Next, loose the attenuator. You need to play these like a Marshall Major. Its got very big balls, you need to feel the dynamics and detail. Then get a Strat, check out the cleans, reverb and kick on the pedals. Its a Bandaxall tone section. Mid way on Bass and Treble are nuetral and then they add or subtract. The Mid is where the mojo happens with Altecs and EVs not Celestions. Celestions with a modeler out front will sound epic also. But you got close on this spin man, next ride, turn her up if you can without the Fryette. You can pull two outer or inner tubes like a Marshall 100w also . Still a cool demo though !
@DMSProduktions
@DMSProduktions Год назад
At 1st I thought your thumbnail said 'TWERKING' an Ampeg V4! LOL! Sounds MIGHTY! \m/
@JohanSegeborn
@JohanSegeborn Год назад
Hahaha! I’m not THAT desperate 😂
@DMSProduktions
@DMSProduktions Год назад
@@JohanSegeborn GOOD! LOL!
@leiferickson3183
@leiferickson3183 Год назад
It is important to know that the EQ in these amps are "flat" at the middle settings. The bass and treble are boost and cut similar to an orange amp EQ controlls. The midrange controll is active eq, incorporating a multi tapped inductor. I wonder if you were overloading the output section a bit much at those settings? There should be 2 "Exteranal Amp"1/4" jacks on the back. If you connect a variable resistor across one of these it can act like a master volume because there is a 10k resistor in series before those jacks. You could try this to decrease the signal level a bit going to the output section. For what it is worth, these jacks are about the same place in the circuit where the SVT has back to back diodes to clip the signal before the power amp - thus reducing the max signal to it and making more controlled distortion. You could also try a variable resistor in series with back to back diodes connected to these external amplifier jacks as well for a crude clipping circuit.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Leif! Great feedback
@FuriousMess
@FuriousMess Год назад
I've had an old 70's Ampeg V3 combo (MIJ) for about 40 years. 50 watts and heavy as can be. Recently put a Celestion G12H-75 in it, WOW! A friend that works on my amps occasionally was there to help swap the speaker and he was blown away with the construction. Turret board for all the important stuff and heavy pcb construction for the shifts and pots. Pair of 6550's from 25 years ago and the new speaker, it's like a new amp. Compares very well against a similar vintage Marshall 800. I'd sold it about 30 years ago and it came back to mr at a VERY good price. Just meant to be mine I suppose.
@f.duranleau4416
@f.duranleau4416 Год назад
Hi Johan, thanks for this video! Sure brings back some memories! A long time ago I was using two amps at the same time: a 60 watts Ampeg V2 for my clean tone and a 100 watts Marshall JCM800 for the overdriven tones. I finally got rid of the Ampeg because some replacement tubes were a bit hard to find, like 12DW7, 6k11, 6CG7, 7027A...Great sounding amp though!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks! Cool I didn’t know they used those odd tubes
@russiangoose7053
@russiangoose7053 Год назад
You can actually run 6L6GC in them, the 6CG7 is reverb which a lot of people dont like the reverb on these amps. I don't know if it would be possible to leave it out or not. I love these amps too much so I'd just collect a stash of tubes if I could lol
@CosmicKnight1
@CosmicKnight1 Год назад
It sounds great and versatile.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks, glad you like it!
@meexiko
@meexiko Год назад
I own the same amp and a Vt-22 (Master Volume version). They are basically the same (V4 channel two), the main difference is made by the cab/speakers. I always put the volume on full, Bass and treble a bit past 12.00 o'clock, midrange on full (300 Hz) and then boost a bit more. It really kills everything else. Best od/fuzz tone ever, no pedal can sound so clear and huge at the same time.
@cybermexi-8100
@cybermexi-8100 Год назад
These Ampegs are unique beasts. And since most people don't want anything other than a marshall sound, these things can still be had for (relatively) cheap. They're naturally fuzzy, used by the guys in the Misfits and obviously Josh Homme. I do wonder how the Reissues stack up against these old ones
@JohanSegeborn
@JohanSegeborn Год назад
That’s a good question. I have only played bass versions of the new amps. I’ll do a comparison if I get the chance
@timmysvensson4902
@timmysvensson4902 9 месяцев назад
​@@JohanSegebornthe V4B reissue doesnt resemble the old V4b at all, all values changed pretty much - old used the floating paraphase phase inverter while the new used a cathodyne phase inverter. So quite unfair to call it a reissue, even if they perhaps got somewhat close to the tone but by different design. Awesome video anyway! Love a cranked ampeg, but damn are they loud - i own a early 70s ampeg VT40 with 4x10 original speakers and it is so loud but the overdrdrive is amazing
@rockanthems
@rockanthems Год назад
Wow that amp sounds amazing ! Great job ! I always wanted to hear one and I’m very impressed. I may be able to pick one up just like that one with the distortion
@cary67
@cary67 Год назад
I have an Ampeg V-4 4x12 cab from the 70s loaded with Marshall label Celestion V30s from the 80s. Punches like Ali.
@schmutz57
@schmutz57 Год назад
I own a VT 22 and my chiropractor loves it sounds great but is bleeding heavy .....with altec speakers .Great job as always Johan cheers
@JohanSegeborn
@JohanSegeborn Год назад
Glad to hear it! Cheers
@AndyDemos
@AndyDemos Год назад
Wooo! at 4:14 you could almost hear some Ronno "Pig" tones with cocked wah and all!
@JohanSegeborn
@JohanSegeborn Год назад
Thanks man! 😄
@fl7210
@fl7210 Год назад
That sounds damn incredible
@JohanSegeborn
@JohanSegeborn Год назад
Thanks! Glad to hear it!
@vkuolema79
@vkuolema79 Год назад
I can totally hear the intro of Kyuss's green machine with this amp!
@aluminati9918
@aluminati9918 Год назад
Great amp! I’ve had one for about 30 years. Mostly use the clean channel. Fantastic pedal platform. With two 2x12 (Ampeg of course ) cabs it’s pure bliss.
@JohanSegeborn
@JohanSegeborn Год назад
What speakers do you have in your Ampeg cabs?
@jayletter5209
@jayletter5209 Год назад
Do you have the old VT22 extension cabs?
@aluminati9918
@aluminati9918 Год назад
@@JohanSegebornHi. I run them with Celestion G12T-75s. As the amp is pretty full frequency with a lot of cut/ boost options in the EQ it’s possible to dial a lot of classic tones. Thanks for a great vid!
@aluminati9918
@aluminati9918 Год назад
@@jayletter5209To be honest they are repros of the original Ampeg cabs, not old 70s ones. They are closed back/ front ported, that I find sound particularly good with this amp. Before that I ran it with various Marshalls.
@jayletter5209
@jayletter5209 Год назад
@@aluminati9918 Cool I've wondered if those would sound good for guitar. So you loaded T75's in them?
@douglashaffner6602
@douglashaffner6602 Год назад
I own the V4 guitar head. I bought it new in 1978. Paid $635.00 for it. It's the version with the master volume. That sucker weighs about 85 pounds which makes it a real pain to move. When I bought it I was playjng in a band. The band eventually broke up and believe it or not I used it for a bedroom amp for many years. I still have it sitting in my bedroom. It hasn't even been plugged up in more than 25 years. I had some work done on it along with replacing the output 6L6 power tubes but that was many years ago. It won't power up anymore due to the tubes being several decades old. I really need to sell it because I have no use for it anymore. It gets LOUD ! I'd bet it could literally shatter windows if you wanted it to. Lol The power of this amp is absolutely overkill ! It's much too powerful for the average guitar player. However, it would be a killer amp for large venues.
@Teleman73
@Teleman73 Год назад
Ronnie Wood Faces era sound. The Doobie Brothers were using Ampegs by 1974, using the 3X10 Fender Bandmasters early on.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks!!
@compucorder64
@compucorder64 9 месяцев назад
I realise it's not the same thing. But, the new reissue of this is a good 1/3 lighter. Was thinking of getting an EHX reissue Sovtek Mig 50 to pair with my Vox ACs as the dry center amp of a wet/dry/wet rig. But, actually, learning bass too and might need a better bass amp later this year. So thinking this could serve both duties, with the right set of cabs and a switcher. Thanks for demoing it - definitely sounds good. I think it's sort of in the same ballpark sound as the EHX, loud, clean, fast, direct/dry with good dynamic range - though maybe this sounds a little warmer, and can probably go louder. The sound reminds me of Pete Townsend's sound in The Who in the 70's, on tracks like Won't Get Fooled Again. Which was Hi-Watt stacks and Les Paul, live at least. And that's a great tone. But seems the album was SG and Gretsch 6120, and Fender Bandmaster, Twin and Bassman (sometimes together).
@thisguy8943
@thisguy8943 Год назад
I highly recommend trying a non-distortion model into Altec 417-8h! I own a VT-22 of the sort and it sounds much more open than what I'm hearing in the video. A good reference for pushed V-series Ampegs is Songs For The Deaf ;)
@R3TR0R4V3
@R3TR0R4V3 Год назад
Yes, he needs to check out some Josh Homme/QotSA stuff.. signature Ampeg sounds all over that stuff. 😎
@stephensmith799
@stephensmith799 Год назад
Sounds WONDERFUL. Probably most useful with bass backed off leaving space for the bass player and drummer to complete the sound. Nothing nasal sounding about this amp
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Stephen!
@stephensmith799
@stephensmith799 Год назад
@@JohanSegeborn Your vid took me back to 1972👍
@riniones
@riniones 4 месяца назад
Johan have you tried out the Ampeg GVT series made by loud technologies around 2010? they are supposed to take some cues from amps like the VT40
@Kjartan-k6p
@Kjartan-k6p 11 месяцев назад
Yess!! Been waiting for this😊 I play a toploaded vt-40 and a vt-22. very helpful video
@CryptToneMusic
@CryptToneMusic 2 месяца назад
I highly recommend trying an earlier non master volume version cranked. It's something special for sure. Its super clean and takes drive pedals well
@tone-talk
@tone-talk Год назад
Try out the Ampeg VL-1002 beast when you can. Just got one and it rips
@JohanSegeborn
@JohanSegeborn Год назад
Cool! I will!
@NCWharfRat
@NCWharfRat Месяц назад
Watch the Altamont film “Gimme Shelter.” Taylor and Richards are playing through a wall of V 4s. There’s a classic photo of Jagger talking to Keith during the LA overdubbing sessions for Exile with Richards sitting on a VT 22. The Ampegs were there for the ‘72 tour too. If you like the Mick Taylor era you gotta love V 4/22 s…
@scottycunningham1413
@scottycunningham1413 Год назад
I think Mick Ralphs used one of these back in the day with Bad Company.
@zandig666
@zandig666 Год назад
Let's go !!! The great Gino Scarpelli from the great Goddo was using these at one point !! Great reverb and unique sound !!!!!!!!🤟🤟🤟🤟✌️✌️
@JohanSegeborn
@JohanSegeborn Год назад
Cheers, unfortunately I didn’t get the reverb to work on this one
@zandig666
@zandig666 Год назад
@@JohanSegeborn I saw Gino crankn through one of these in a bar that held maximum 50 people !!!!
@russiangoose7053
@russiangoose7053 Год назад
You gotta try a non master volume model! They're insane! They use totally different tubes and have a much better tone especially when boosted with a high output clean boost
@FleshOnGear
@FleshOnGear Год назад
Great video! It was cool to hear how the EQ affected the distortion, and it has such a thick punchy sound. Off topic, but have you ever messed with Traynor amps? I have a YBA-1A that I use to back up my Marshall 1987, and it gets really close.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks Todd! Glad you like it. I really like Traynor amps. There is a bunch of videos on the channel but I haven’t played the YBA yet. Cheers
@vayabroder729
@vayabroder729 Год назад
I believe The Stones used these amps sometime.
@svbarr
@svbarr Год назад
I worked at an Ampeg dealer way back in the day. NOISY!! Brand new Ampegs -- at least the guitar amps-- were just so damn noisy right out if the box. Now if you brought the treble and mids down to kill the noise they sounded awful. But if you wanted the Stones tone from the Sticky Fingers era (boosted mids etc) -- it was really hissy even at idle.
@JohanSegeborn
@JohanSegeborn Год назад
This one was pretty noise free actually
@brycejames7829
@brycejames7829 Год назад
yeah, i have a v50h thats very noisy if biased correctly. its noiseless if you bias it a little cold and dime it but flutters out a lot at lower gain
@svbarr
@svbarr Год назад
@@JohanSegeborn I agree wonder if the QC was awful back in the day? Then again if you cranked the mids???
@buzzedalldrink9131
@buzzedalldrink9131 10 месяцев назад
Thank you for a great demo. I now know I definitely don’t want one of these!!
@GoDrex
@GoDrex Год назад
Great sounding amp! Could definitely get some good doomy Sabbath tones out of it.
@JohanSegeborn
@JohanSegeborn Год назад
Thanks!
@kantina4765
@kantina4765 Год назад
Hit it with a an eq boosting the mids and out the guitar in c standard. Best sound in the history of guitar.
@josephpickard3108
@josephpickard3108 Год назад
Nearly bought a VT22H the other day. Played one before and couldn't get used to the EQ. Also it seems WAY louder than the suggested wattage!
@JohanSegeborn
@JohanSegeborn Год назад
I think it comes with really efficient Altec speakers
@BigTrouble324
@BigTrouble324 Год назад
Those Ampeg V / VT amps uses linear volume pots, so when at 4 you're practically at full volume. From 4 and up it's just getting more distorted. Wonder why they decided to design it that way.
@JohanSegeborn
@JohanSegeborn Год назад
Interesting!
@BigTrouble324
@BigTrouble324 Год назад
@@JohanSegeborn By the way; You have to try out the 300 Watt SVT bass amp on guitar. Huge insane loud fat overdrive when cranked. I think it can take 2 Ohms load, so it can feed eight 16 Ohms 4x12 cabs in parallell. It would be interresting to see how many dB such a rig can put out. I tried one with the standard 8x10, and that was wild enough. You should do a show about stupid loud amplifiers.
@northmanlogging2769
@northmanlogging2769 Год назад
hrm.... been looking for something oddball that would replace my Mesa DC-5 combo in a head form, this might actually fill that need
@aronhallam6449
@aronhallam6449 Год назад
Johan if you still are still modifying thst sg bass it would be nice to hear it with strings similar to what paul mccartney uses on the 'get back' blu ray. they are black nylon. apparently rotosound make a set called '' tru bass''.
@ERIC-65
@ERIC-65 5 месяцев назад
Listen to "Love you live" by the Stones ! All Ampeg Amps !
@zeusapollo8688
@zeusapollo8688 Год назад
I had a ss ampeg head with a blue grill and chorus. It must have been a bass head but it had some nice guitar sounds in it
@DMSProduktions
@DMSProduktions Год назад
I thought it sounded the CLEAREST, when you CUT the 300Hz range! 300Hz gave way too much MUD! But when you CUT it, it LEFT most of the other midrange INTACT, & that's the important part. This is a highly interactive tone stack!
@JohanSegeborn
@JohanSegeborn Год назад
Yeah that’s a good point, the tone knobs certainty seems coupled.
@DMSProduktions
@DMSProduktions Год назад
@@JohanSegeborn Yeah!
@kaarefestvog6540
@kaarefestvog6540 Год назад
Is this when they were owned by Magnavox? Used a lot of weird tubes at that time.
@JohanSegeborn
@JohanSegeborn Год назад
Yeah, I think it’s a late 70s unit
@tomfoolery2082
@tomfoolery2082 Год назад
Forgot how good they sounded .
@watkinscopicat
@watkinscopicat Год назад
have you done a VT40 yet Johan? they’re really cool
@JohanSegeborn
@JohanSegeborn Год назад
No not yet! First chance..
@killingmasheen
@killingmasheen Год назад
Man the blocking distortion is quite bad on this one. A little bit of it sounds great as it adds in some swirly overtones to the overdrive characteristic and thickens the the pick attack, too much of it and this is what you get👆 Good show Johan, quite informative as always👍
@JohanSegeborn
@JohanSegeborn Год назад
Thanks glad to hear it!
@goodun2974
@goodun2974 2 месяца назад
Yeah, this amp is clearly in need of service: the filter caps and electrolytic cathode bypass caps certainly need replacement, and it probably has some offspec, drifted resistors. The capacitive-divider circuit used for biasing has been known to get wonky, and it could have some weak tubes as well. Obviously, people commenting here like the sloppy, slightly sour sound of an old amp that isn't working quite right, and they have the right to like it; but this is not indicative of what these amps sounded like when they were new and being used on tour by the big bands of the day.
@killingmasheen
@killingmasheen 2 месяца назад
​@@goodun2974You are probably right to a certain extent but it sounded pretty good when the volume was lower. A broken amp normally sounds bad all the way through it's volume rotation so my feelings are that the issue is with the design and it makes sense looking at the schematic; the first stage is going straight to the second stage grid when the volume is maxed out. This is probably where the blocking distortion is coming from like how 2 input Hiwatts will crap out when the channel gains are turned all the way up. This amp is essentially a SVT with reverb so I'm not super surprised that it doesn't work as well with guitar than it does bass. Maybe it's the case that it doesn't work well with humbuckers because if I were to guess Ampeg probably designed it exclusively with single-coils in mind because they hated distortion like no other company back in the day. Alot of time people will run amps like this as clean as possible to use with their effect pedals so they'd never have this blocking distortion problem.
@goodun2974
@goodun2974 2 месяца назад
@@killingmasheen , Ampeg only "hated rock and roll" when Everett Hull was running the company but he was pretty much sidelined by new partners/investors (Unimusic) in the mid 60's and he resigned in 1968. The SVT, introduced in the summer of '69, would never have been developed if he was still at the helm. As for the V and VT series amps, the V4 and VT22, introduced in 1970, were voiced specifically for guitar and included reverb. The V4B for bass was introduced in 1971. Under Magnavox ownership, a "Distortion" circuit was added to the guitar amps (excluding the V4B) in 1976, replacing an input sensitivity control.
@goodun2974
@goodun2974 2 месяца назад
@@killingmasheen, ps, the fact that the reverb doesn't work makes me a little suspicious. Granted it could be a bad tank, or maybe somebody replaced the tank with the wrong type (because a Fender style reverb tank doesn't work), But I have to wonder if this is Johane's amp or not, and if anybody ever tried to service it, because a halfway competent technician should at least be able to fix the reverb. Anyway, parasitic oscillations and unwanted coupling of the gain stages is a common problem when filter and bypass caps get old.
@skaldlouiscyphre2453
@skaldlouiscyphre2453 9 месяцев назад
Interesting. The main Ampegs I'm familiar with are their solid state VH models (70C, 140C, etc). The V4 isn't a gain monster like the VH. Oh well, they can't all be winners.
@danielktdoranie
@danielktdoranie Год назад
Hey @Johan Segeborn could you recommend to me a good small amplifier for gigging in very small pubs here in Ireland? I don't care if it is valve or solid state. Thanks!
@JohanSegeborn
@JohanSegeborn Год назад
Hi Daniel! A Marshall SV20H (set to 5W) through a 1x12 with a vintage greenback sound killer both clean and dirty
@danielktdoranie
@danielktdoranie Год назад
@@JohanSegeborn thank you!
@rocketpigrecords3719
@rocketpigrecords3719 Год назад
Was just looking at these again. Weird tubes. Rocker switches can be problematic. They're kinda pointless tbh. Good sounding amps. Stones, Bad Company, QOTSA had them on the Songs for the Deaf era tours.
@R3TR0R4V3
@R3TR0R4V3 Год назад
QotSA never stopped using them.. Josh always has an Ampeg of some sort in his rig, even nowadays.
@chrispile3878
@chrispile3878 Год назад
The tone controls really work on an AMPEG...
@JohanSegeborn
@JohanSegeborn Год назад
Yeah, they really sculpt the tone
@Mister_Cupit
@Mister_Cupit 4 месяца назад
Max mid range at 300 sounds on a seismic scale.
@EdgarsLS
@EdgarsLS Год назад
Ampegs are awesome for distortion but for cleans I think they are slightly too plain
@charlesbukowski9836
@charlesbukowski9836 Год назад
Ealry 70s used
@charlesbukowski9836
@charlesbukowski9836 Год назад
Pete Townshend
@grahamt33
@grahamt33 Год назад
I worship the Ampeg bass amps - not so impressed with the V4 though..
@tyremanguitars
@tyremanguitars Год назад
sounds like a fuzz pedal...
@Yngvar10
@Yngvar10 Год назад
Ampeg only know how to make bass amps, that is all I am going to say!
@kingpriapatius5832
@kingpriapatius5832 Год назад
Hello from Greece, Thessaloniki.
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