What are Valve Rectifiers? | Too Afraid To Ask

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Rectifiers are vital for your amplifier to operate correctly. While most amplifiers today feature solid state rectification, there is still a big deal made of Valve Rectified amplifiers.
But what exactly is a rectifier? Is there a difference between valve and solid state rectification? and what does it mean for your sound?
Let's dig into this Too Afraid To Ask episode to find out.
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Опубликовано:

8 июн 2024

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Комментарии : 351

@ScienceofLoud 4 года назад

@gorbrushthreepwood 4 года назад

@@BeckyYork That is a shame. I also try to avoid adverts or people requiring financial income, which is why I don't go see movies at the cinema, open a newspaper, access the internet, go grocery shopping, step outside, or breathe.

@ScienceofLoud 4 года назад

Maybe if you didn't use adblock I'd earn enough that I wouldn't have to embed sponsor ads directly into my videos. You enjoy your ad free existence, good luck with that.

@iliasliakos6692 4 года назад

@@ScienceofLoud Maybe if you got like a more interesting sponsor it would be better, every youtuber has skillshare, dollar shave club etc etc, if you had a more interesting sponsor like a haggis company or something it would be better.

@ScienceofLoud 4 года назад

Welcome to the world where some companies see the benefit of advertising on social media and others don't. Skillshare wants to work with me because what they do is relevant to what I do: it's education. Our demographics align and they can see a return on their investment. A haggis company would have no interest in advertising on my channel because: 1. My channel has nothing to do with food. 2. Over 40% of my viewer base is in America where there is a ban on importing haggis. It would be a financial waste of time for them. Also, the reason you are seeing a lot of similar sponsors is because you are watching a lot of similar content. They are targeting channels with similar demographics.

@Skagb0y 4 года назад

@@BeckyYork what a knob.

@ChaosPootato 4 года назад

Dang, you know it's serious when Colin swears at you :(

@mk_rexx 4 года назад

*SO DEWNT FOK UHROUND WIDIS SHET*

@_RLP 4 года назад

@@mk_rexx Perfect translation, dude.

@ValerieWarner1 4 года назад

Ya know, in case anyone is looking for the timestamp. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ty8xs3cJk8M.html

@yogurtlurker 4 года назад

He protecc

@Admill15 4 года назад

3:16

@mcswordfish 4 года назад

Absolutely loving the old-school STV advert warning

@lucasvandekerkhove3769 4 года назад

That moment Colin gets his video demonetised for the sake of warning us Damn

@itai.617 4 года назад

Whenever I hear rectifier I think of electroboom lol

@ChaosPootato 4 года назад

F U L L B R I D G E R E C T I F I E R

@matteocristini6221 4 года назад

Speaking of ElectroBoom, did he just say DC is way more lethal than AC at high voltage? Should watch some more videos... ;-)

@Jimbodaddy74 4 года назад

@@graxjpg Damn near killed 'em!

@nmr405 4 года назад

Mesa Full Bridge Rectifier 🤔😂

@jayden4244 3 года назад

MESA BOGIE DUAL FUUL BRIDGE RECTIFIER

@elliottallan337 4 года назад

Always heard about rectifier lag, nodded my head, and pretended like I understood. Now I can nod my head and pretend with greater confidence. Thanks for the lesson

@_RLP 4 года назад

... And if they try to push you to actually enter the discussion, you can always say "don't fóckeround widis shyt!".

@nooralamgir3703 3 года назад

@@_RLP lol Colin, give this reply a heart

@brutallyremastered4255 3 года назад

Nodding my head in mature consideration.

@theknifesedge57 4 года назад

Colin, I hate to correct, but for the safety of others, AC voltage is always more deadly than an equivalent DC voltage value. The parasitic capacitance of the human body allows more AC current to flow through it (putting your organs at risk), and the rapid cycling forces muscles to contract, making it near impossible to let go. I've been caught with around 200vDC in amps before, and while it hurt, it (obviously) didn't kill me, and it wasn't too hard to let go. Comparatively, depending on frequency, it only takes around 10-20vAC for your body to start freaking out. Any higher than 50vAC, and you're looking at a bad time.

@matteocristini6221 4 года назад

Yeah, wanted to point that out too. AC is way more dangerous at high voltage. Stay safe kids!

@johnyang799 4 года назад

There is a curve. At 1khz it's most dangerous to interfere with nerves. At very low frequency (5hz eg) or very high (100khz +) it's similar to dc.

@theknifesedge57 4 года назад

@@johnyang799 true, I was specifically speaking in the context of mains voltage though, which is what you're going to see in your valve amps.

@matteocristini6221 4 года назад

@@johnyang799 You're right, but in this context, most amp heads run on 50/60 Hz, at least in the countries I'm aware of.

@johnyang799 4 года назад

I was just supplementing the information. We cool.

@seanjohnson1988 4 года назад

I just had to pause your video to tell you that the little black and white prompt for the ad in the corner was a nostalgic throw back to my childhood. It's that sort of attention to detail that will keep people coming back. Bravo.

@priorsb11 4 года назад

"so don't fuck around with this shit if you don't know what you're doing" I need this on a shirt, it would answer many questions in engineering asked by customers. For the love of God Colin! I need this!!!

@dionr1168 4 года назад

When I think of Rectifiers, I think of Mesa Boogie Duals.

@surekhaahlawat6068 4 года назад

Not triple recs?

@hmtp177 2 года назад

No shit

@bpabustan 4 года назад

the guy receiving the box/tube rectification sag analogy FLOORED ME! You can't get any more clear than that!

@bauchbart 4 года назад

03:15 Best advice EVER!

@noashore2312 4 года назад

Wow, I learn so much from you. Most of these TATAs I didn't even know I really wanted to know. And now I do (partially at least). Thank you 😁

@bpabustan 4 года назад

we can probably be competent repairmen just by watching Colin's videos!

@richardcatalinajr.369 Год назад

This was the best explanation on the subject matter that I have heard. Heavens, I was able to follow and understand all the way through. Many thanks.

@yallevereatenbeans2723 4 года назад

I'd love to see you make one of those kit amps you can buy, like a clone of a plexi with all the components, you just need to put it together, could be a good way to show off some of the mods you can do too.

@malcolmhardwick4258 4 года назад

Paul Blart Mall Cop great idea ☺

@HalfBredReviews 4 года назад

I have a dual rec roadster. I use solid state on all high gain channels and tube on my clean channel. Tube just adds that charm in the dynamics on a clean sound, which you don't get when you're highly compressed with distortion. Really gives a different feel that only the player can actually notice.

@hazrod13 4 года назад

Cool video Colin, and I realized that you now use more sound effects, that's great !

@Mechanicthing 2 года назад

FANTASTIC explanation - thank you very much for this!

@shovington67 4 года назад

This is the best video "EVER", teaching the end user about tube and solid state rectification. You should be very proud. If the Academy gave out Oscar's for instructional/educational videos in guitar technology, this would have taken home the prize.

@spottswoode8122 4 года назад

That was an outstanding, well organized presentation. Thank you!!

@MrTheog1989 4 года назад

Very well explained. Love your work!

@DennisTrovato 4 года назад

How dare you trick me into learning stuff?!

@johnmac8084 2 года назад

Very clear explanation, thanks

@nordicguitar8395 4 года назад

I always love your TATAs Colin. Seriously your vids are really informative. Keep ‘em coming.

@razek666 4 года назад

Great video! Very informative!

@jdiesel9048 3 года назад

Excellent explanations!

@sbove 3 года назад

Best explanation of rectification for guitar amps ever! Tx!!!

@chrisrose2730 4 года назад

Love the video sir! Would love to see another guitar build video in the future as well!

@scblds7496 4 года назад

Colin, Awesome TATA, thank you. Your colloquial explanation of sag was the best I’ve encountered in my 53 “revolutions around our solar core”. Right on.👊🏻

@vanessajazp6341 Месяц назад

I've always preferred the experience and sound of solid state amplification and drive over tubes. Now I understand why. Thx!

@Bob48 4 года назад

Love these 'too afraid to ask"...great job.

@Poly6Groove 4 года назад

Very well explanation and demonstration dude!

@j.thorgard 2 года назад

Best video on the subject, thank you

@BigEdWo 4 года назад

very good explanation. thanks.

@stevemaass3074 4 года назад

Yes! I finally understand what sag is!! Well done as always, Colin. 🤘🏻

@JackdeDuCoeur 4 года назад

Great lesson! Thanks

@lucashernandez8146 4 года назад

*F U L L B R I D G E R E C T I F I E R*

@throatsinginggambist8927 4 года назад

Electroboom has joined the chat

@Poly6Groove 4 года назад

Lucas Hernández hehehehe fortunately I wasn’t the only

@Totone56 4 года назад

Came here looking for this, i imagined him screaming at me during the whole video

@jera2150 4 года назад

This was great. Thank you!

@MichaelSnidaro 4 года назад

You made me more knowledgeable and I thank you for that!

@montlejohnbojangles8937 4 года назад

Cheers Colin, another thing I now understand much better thanks to your excellent videos! ❤️

@cmartinrel 4 года назад

Great video, thanks.

@Sturgistube 4 года назад

Thank you. I have always wondered!

@EL34 4 года назад

Thank you for this!

@lekmannen9990 3 месяца назад

amazing video. thank you

@SidewinderINC 4 года назад

Absolutely love the curiosity box t-shirt!!

@zollnano3430 4 года назад

‘Don’t F around with this shit if you don’t know what you’re doing’ As a sparky (electrician) I highly recommend you live by this rule.

@tmitz73 4 года назад

Great Video Dude!!

@edwardebel1847 4 месяца назад

Mate, EXCEPTIONAL (!) exposition of tube amplification as applied to electric guitars! Especially explaining attack and sag (compression). So many guitarists do not understand why tube amplification has a different and (mostly) more desirable tone. And even though digital effects and digital amplification have come a long way, it cannot compare to the sound of a high end guitar played through a totally analog signal chain, terminating in a tube (valve) amplifier. Well, that's my opinion anyway. Cheers for this video

@RickHollis 4 года назад

Colin teaches me stuff and things. Mostly stuff, but sometimes things.

@jesuzleonardo 3 года назад

Thank you so much!

@johnnycanosoda 4 года назад

Another great in-depth video... Keep up the great work... \m/

@iNDERUdmg 4 года назад

Thanks, this was so informative. I also asked about rectifiers on your last TATA video :)

@dennispennell 4 года назад

Great video!

@reverendayglow 3 года назад

3:15. Laughed out loud! But you're right.

@emiliano9321 4 года назад

TATA: Why are SLO so praised? Excellent and informative video mate!

@ScienceofLoud 4 года назад

I'll ask Mike Soldano that when I meet him next week.

@rickc2102 4 года назад

@@ScienceofLoud !

@davidfuller581 4 года назад

Because essentially every popular high gain amp out there is based on the SLO. It's a really remarkable design, and arguably the first to really get high gain "right".

@thomaschilds8781 4 года назад

Love the analogy. Good to finally know what sag is.

@hulkslayer626 4 года назад

Hey Colin, love the content keep up the good work! 😊 My suggestion for a potential "too afraid to ask" episode would be eq utilization. For instance, I have an active bass. I have a couple pedals with eq on them(not talking about actual eq pedals). My amp has eq. Do I just use the eq on my guitar since it's closer? Do i use the one on my amp because it is more powerful? Do i use one individually and set the rest flat? Do i use them in combination? Like setting the eq a certain way on the guitar, then setting an eq that comes after distortion and then finally on the amp... I knew there are mo hard and fast rules and I should do what sounds best to me, but was just hoping for a little more info on the plethora of options available. Thanks 😁

@aliali-ce3yf Год назад

your videos are awesome!

@jeffmariajenson9751 4 года назад

Thanks Colin.

@OzziePete1 4 года назад

Great video Colin. Thanx for doing it. Your comments about Rectifier valve sag reminded me of a show I went to years ago to see a well known Aussie pub rock band "The Celibate Rifles".... Their guitarist used a Mesa Dual Rectifier and I felt, from the sound I was hearing from the audience, that his rig wasn't properly biased or something, as every time he 'dug in' the volume wouldn't respond in a corresponding way....It was my first time hearing a Dual Rectifier live & it didn't impress me with the lack of dynamics heard. It might well have been the valve rectifier sagging....

@montanaadams452 4 года назад

So AC/DC: High Voltage? Got it.

@0riole11 4 года назад

Great explanation, you can really hear the sag in amps like the 5E3, but if you're not playing Blues or early Rock 'n' Roll, it may not be what you're after

@djcanilla 4 года назад

Hi Colin, thanks for your channel and the excellent informative videos. Got a TATA for you: could you do a video on preamp pedals, their uses, and comparison to actual amp preamps? Thanks

@wallywutsizface6346 3 года назад

2:51 Don’t tell Edison, he’ll go killing a bunch of elephants to try to prove you wrong

@CorvetteCoonass 3 года назад

The biggest pro to tube rectifiers is how it affects the longevity of the components of the system. Because the tube rec introduces the voltage to tubes gradually rather than instantaneously, the tubes will last longer. Since there is sag when you try to push the amp too hard with a tube rec, it again raises the longevity of the tubes in the system. I have a 1964 Wurlitzer Electric Organ that uses tubes for oscillation. All the tubes are original and still work fine; it has a tube rec. It also doesn't have a standby switch which also prolongs tube life. Also have a 1958 Magnavox Stereorama console that also has a tube amp. Amp still works great with original tubes; no standby switch and uses tube rectification.

@ToroKchannel 4 года назад

Thanks for those details and explanations Colin ! Now I know that Rectifier isn't just the name of a legendary Mesa Boogie amp ;)

@androdid9249 4 года назад

Now I understand the "sag" amp setting of my Helix and what it was meant to replicate. Thank you. Can you explain the "hum"?

@kristonterbutt7373 4 года назад

Thanks mate, very good explaination of tube rectification and the terms Sag and Tight in relation to tone. Very helpful indeed as the term Sag in relation to bottom end tones has always confused me. Mostly, and i am not musically biased, i hear this as bad thing in relation to metal players who usually give me the wrong advice in regards to amps because we want different tones from an amp. it also helped me understand why i prefer tube rectifying amps such Fender 68 amps etc.. Cheers and thanks again for posting this.

@burnbacktime 4 года назад

Nice video man, as a amplifier nerd and Master Electrician / Power electronics technician I had to repeatedly push my glasses up the bridge of my nose while snorting uncontrollably during this video. 😃

@magutanko 4 года назад

Hey, thanks Colin. I was just wondering about this, after years of playing guitar - and I thought "I wonder if CSGuitars...?" Yep. You've done it. Thanks for touching on my TATAs. 🤘

@HaroonRahman 4 года назад

I'd love to see a video detailing what a wet/dry rig is, and how it may be helpful in place of stereo!

@thegougler 4 года назад

I know this would be a longer video or series, but I was wondering if you could do a series about an amp schematic breakdown where you highlight different parts of the schematic (e.g. Preamp, Poweramp, Power Section, etc...) and explain what they do or how they color the signal.

@malcolmhardwick4258 4 года назад

So long you learned one thing a day then it's a good day ☺

@pecenak21 4 года назад

Can you make a TATA on biasing with tube amps? My amps has the ability to adjust the bias, but :shrug:

@ScienceofLoud 4 года назад

You mean like this video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-5SLKygFFnkU.html

@pecenak21 4 года назад

@@ScienceofLoud :facepalm:, just like that! You are a beast.

@silviopimentel7247 3 месяца назад

Bravo brother 💯👌

@pip5528 4 года назад

All the Mesa/Boogie amps have tube rectifiers. The Rectifier series does still have the solid-state option as mentioned and apparently only recommends the tube rectifiers be used for EL34s, not 6L6s.

@MechMK1 4 года назад

"Don't fuck around with this shit if you don't know what you're doing!" - Wiser words have never been spoken!

@nathandrawdy 4 года назад

3:16 = pure gold

@nelsonmaciel7611 4 года назад

I would like this video about bias

@justinmcwilliams6759 3 года назад

I have a 12AX7driven pre-amp overdrive that I built. I actually put it between my guitar and my Digitech RP50, and then the RP50 sends to the amp. Makes for some really cutting, sharp, hard distortion sounds.

@autocratdaddyjones 4 года назад

Enjoyed the old school advert warning :-) It would've been really helpful to hear the difference between an amp using valve rectifiers and an amp using SS rectifiers though... Even just a few power chords might have been enough...

@ScienceofLoud 4 года назад

Sound samples would be utterly meaningless without an amplifier that has switchable rectification options. I don't have one of those. Using two different amplifiers would result in two different sounds and it would be impossible to isolate what was the rectifier and what wasn't within the sound. It would be completely contrary to the scientific process.

@autocratdaddyjones 4 года назад

@@ScienceofLoud that's a very fair point.

@vjc1630 4 года назад

@@ScienceofLoud It could be done with a Weber Copper Cap.

@tyschuby 4 года назад

Good stuff as always. Really don't want to use the silicon rectifier in my mesa

@chrisf6216 4 года назад

tapadh leat (hope I am using this correctly. Pardon my ignorance and I thank you for yet another fantastic video, sir!)

@andyleibrook6012 3 года назад

To be honest with you, as someone into electronics I came across this video by chance and was ready to just laugh at this. I totally stand corrected and my hats off to you on a great explanation of SS vs tube rectifier response. Spot on!,,But I still use tubes..lol

@stevenheinje181 3 года назад

I’ve always liked Lee Ritenours tone and I often see a Mesa Rectifier behind him. I think I know why. And I think this helps explain why I like my solid state Bass amp.

@DennisTrovato 4 года назад

Next video about the different kinds of pre- and power-tubes

@JuveriSetila 4 года назад

PATREON NOTIFICATION SQUAADDDDDDD 3:15 Glenn Fricker approves this sentence

@hazrod13 4 года назад

hello there

@jumpnrun3368 4 года назад

@@hazrod13 HOLO there

@DavidGossettMusic 4 года назад

Yeah, ummm... Was totally not expecting that... had this video playing on my monitors and not headphones. 😂

@mateomarroquin8632 4 года назад

I have a pretty easy Tata for you How exactly does guitar wiring work? Im currently interested into doing a partscaster and I want to do some custom wiring but I don't fully understand each component of the guitar and how the pickups connect from piece to piece

@CalvinBacon 3 года назад

4:40 - Oh my Colin was right, how very much we all got lost this past year...

@Yupppi 3 года назад

It's surprising that people do remember the valve rectifier Marshalls as well, but they started phasing out GZ34 rectifier as early as 1966 in JTM50. Only ~4 years after the first Marshall. JTM100 from 1965 had a solid state rectifier from the get go already.

@tyshalley6130 4 года назад

Dear Colin, a possible future TATA: if my amp is equipped with an effects loop, should I put all my pedals in the loop, or are there some I should keep between the guitar and the amp? Thanks mate. Keeping it loud. -Ty

@TheWarped45 4 года назад

well the Peavey 6505 and 5150 have 4 1n4007 diodes just in the high voltage section alone and 4 1n4007s in bias and low voltage rectification supply and it sounds kickass I also like triple rectifier amps.

@ronboff3461 3 года назад

i enjoy all your "ta tas" and learn a lot.....your brogue is entertaining and your enunciation perfect....had a Scottish girlfriend back in the 60s, her name was Carol Cummings, did you know her?...just joking, love your lectures!!!

@greatreset3 4 года назад

Slight correction: U.S. normal wall socket voltage is 120v not the old 110v. Which is why some vintage amps don't always work right without modification in the states. 🎶🎸

@Burnt_Gerbil 4 года назад

0:18 The Wilhelm scream. That thing is everywhere! 😆

@Christoffer83 4 года назад

Hi Colin. And with an 3-phase power supply system the voltage ripple gets even smoother due to the fact that the 3 phases is 120 degrees mutually displaced.

@Christoffer83 4 года назад

But I think it's only used for big sound systems.

@hunter5028 4 года назад

Yeah, three phase power is usually only used in major high power devices.

@jacobbockover1628 4 года назад

I have a question. I recently got an older ltd ec 1000. It has active pickups but the battery is just in the control cavity wrapped in foam is there a aftermarket or simple solution to this. Also how do active pickups function?

@OGM_OriginalGameMusic 3 года назад

Super interesting stuff! so I guess a rectifier is to an electrical current as a laser is to light? So, theoretically, regarding the whole valve/solid state. From how you've explained. it seems that a solid state could emulate a valve amp perfectly and easily? cause its just like faking a sag? Also i like the zebra sign before the add ;)

@livewire6925 4 года назад

Great Explanation. Having real world experience for over fifty years ( Yea I'm that old, but still at my peak ) I have found that solid state rectifiers have the ability to take tremendous wear and tear and continue to function very well. I have rarely seen a solid state rectifier fail in the field. Good Amps in an industrial environment must endure vibration and shock. If your hauling your amps around for gigs and practice, that's an industrial environment. Solid state is the way to go. Of coarse there are always exceptions. Play more Bitch Less Peace out From Nashville Tennessee where Guitars and Amps are a way of life.

@vk3fbab 4 года назад

I think you stated that rectifiers are responsible for the higher voltage after rectification. It's actually the capacitors that do this. The voltage rating of a transformer is RMS which is the average voltage. The peak value is 1.412 (square root of 2) times higher. When the caps smooth the voltage it increases towards the peak voltage. With silicon rectifiers (and probably valve ones too) they actually are responsible for a small voltage drop. Just thought I'd share. Also in high power power supplies they use MOSFETs as rectifiers. Turning them on for half the waveform. Almost no sag or power loss, but need to get the AC zero crossing right or bang goes the MOSFET. Great video.

@silasfatchett7380 3 года назад

Valve rectifiers have a much larger voltage drop than silicon diodes. Voltage is dropped across the valve's internal 'anode/plate resistance'. As more current is demanded by the power tubes, more voltage is dropped, resulting in 'sag'.