Let's Gut and Rebuild Some Fender '68 Custom Deluxe Reverbs! | Part 1 : The Plan

  Рет қаралды 7,696

Psionic Audio

Psionic Audio

3 жыл бұрын

This will be fun.
Toneful fun.
For more info, Subscribe to this channel, join us at PsionicAudio, or email us at info@psionicaudio.com.

Пікірлер: 59
@mattjohnson6916
@mattjohnson6916 3 жыл бұрын
Wow... That is one beautiful looking design! I've really enjoyed your recent discussions on using radial caps instead of axials to aid in future service of that amp. That is VERY forward thinking! Bravo!
@boogierandy7547
@boogierandy7547 6 ай бұрын
That is a beautiful amp Lyle!
@Tonetwisters
@Tonetwisters Ай бұрын
I JUST got my '77 DR back from having it repopulated with real parts, in place of those blue-coated blob capacitors. The increase in clarity is phenomenal!
@PsionicAudio
@PsionicAudio Ай бұрын
The problem wasn’t the caps dude. Those are great caps, many of which are lost forever now because of online misinformation. Sigh.
@matthewf1979
@matthewf1979 3 жыл бұрын
Turning future landfill space into a multi generational piece of professional amplification! This is my preferred route with the Fender PCB reissues. Even if they used a through hole plated 3mm thick PCB, a turret board is nuclear ICBM proof!!
@shanedolman1368
@shanedolman1368 3 жыл бұрын
Gonna be a great upgrade to that amp, I love your approach to designing amps.👍😀
@jasonstone1046
@jasonstone1046 3 жыл бұрын
Excellent plan. Let's do this thing!!
@Strumbum01
@Strumbum01 3 жыл бұрын
Love your channel! I want to start dabbling in amp building. 5F1 first, then work my way up to a 60s Vibrolux. Thank you for such in depth, wonderful information. I’ll definitely keep watching!
@trbr1799
@trbr1799 3 жыл бұрын
Looking forward to this! Thanks, Lyle!
@edwardhannigan6324
@edwardhannigan6324 3 жыл бұрын
Beautiful work, authenticity into the future..! Some great design, that's the way to go Lyle..Ed..uk..😀
@weschilton
@weschilton 3 жыл бұрын
I'm looking forward to this as well!
@randyrich2039
@randyrich2039 2 жыл бұрын
Excellent work, brilliant.
@efsglass
@efsglass 3 жыл бұрын
Cant wait for mine!!
@JimmyMac-uq7tz
@JimmyMac-uq7tz 8 ай бұрын
@psionicaudio those elevated heater wires are exquisite. Would you recommend doing elevated heater wires like that on most amps including Marshall’s and higher gain amps? Seems like a much cleaner way to wire.
@badbrad
@badbrad 2 жыл бұрын
I'm in Nashville and I will drive to Memphis to get this done to my 68 custom.
@chrisyoung8062
@chrisyoung8062 Жыл бұрын
I love these videos! What is the advantage of eyelets over the turrets? From a noise perspective you would think the turret would radiate like an antenna but that's just a gut feeling from someone who deals with RF quite a bit (I know audio is very different). Keep making this sort of content please.
@tannerdowning-mcadams110
@tannerdowning-mcadams110 Жыл бұрын
Eyelet is just the traditional fender production method. There is little to no difference aside from that some prefer the turrets because you can wrap components around them and use vertical space more effectively
@StephenNaveed
@StephenNaveed 3 жыл бұрын
Hell yeah!
@RadioDeadAir
@RadioDeadAir 3 жыл бұрын
Would you be willing to make the DIY file available? I have my eye on a less-than-perfect DRRI and making my own turret board based on a quieter layout seems like a cool project ...
@VesselForHonor
@VesselForHonor 4 ай бұрын
So if I were switching from axial to radial, I would use the same value cap?
@richclayton5785
@richclayton5785 Жыл бұрын
Are you selling these in one form or another? I would love to have one!
@sclinchy
@sclinchy 3 жыл бұрын
Will these eyelet boards be for sale? This looks like a fun project to do at home.
@PsionicAudio
@PsionicAudio 3 жыл бұрын
Nope.
@svokke
@svokke 3 жыл бұрын
Nice drawing of the board, which CAD software are you using?
@PsionicAudio
@PsionicAudio 3 жыл бұрын
DIY Layout Creator for the board.
@svokke
@svokke 3 жыл бұрын
@@PsionicAudio Thanks, I'm looking forward to the next part.
@pointyboot
@pointyboot 3 жыл бұрын
hey bud, can you expand on the future unavailability of axial capacitors? thanks for the vids!
@PsionicAudio
@PsionicAudio 3 жыл бұрын
Thanks. No other industries really use axial electrolytics, so they have been discontinued by almost all the companies that used to make them. And the clock is ticking on the rest. Radial electrolytics are available with higher quality than any axials, as that is the focus of cap manufacturers note.
@PsionicAudio
@PsionicAudio 3 жыл бұрын
An English major fighting autocorrect on his phone...
@bernhardnizynski4403
@bernhardnizynski4403 3 жыл бұрын
Will you be building complete amps, or just providing updated boards/electronics for existing amps?
@PsionicAudio
@PsionicAudio 3 жыл бұрын
Only doing the complete work myself. I have no interest in selling "kits" and then having to hold people's hands over the phone as they try to figure things out. Would drive me crazy and eat all my time.
@bernhardnizynski4403
@bernhardnizynski4403 3 жыл бұрын
@@PsionicAudio - are you only upgrading customers' existing amps or selling new 'clones'?
@yrdbyrd_bjj
@yrdbyrd_bjj 3 жыл бұрын
What radial caps are you using? I want to replace the ones on my Royal Reverb, but there's not much information on what is best for tube amps.
@PsionicAudio
@PsionicAudio 3 жыл бұрын
Deep subject. Too long to get into right now,, but learn to read datasheets. And you need to read up on amp power supply design. I could mention ESR, ripple current, all kinds of things, but if you don't know what they are I'm just spouting terminology. And the answers are literally chapter length.
@yrdbyrd_bjj
@yrdbyrd_bjj 3 жыл бұрын
@@PsionicAudio I was more or less asking about the brand...Guess I'll start reading.
@BradsGuitarGarage
@BradsGuitarGarage 3 жыл бұрын
Future serviceability and reliability is the way to go. Untouched vintage fanboi forum dwellers be damned!
@HiHello-ku1fl
@HiHello-ku1fl 3 жыл бұрын
Hmm how much would this cost me. I need a good Deuxe reverb. Do you like the mods they had on the 68 custom? The Bassman tone stack and less negative feedback on the first channel and reverb and trem on both channels? I liked the Bassman tonestack channel when I played it briefly.
@matthewf1979
@matthewf1979 3 жыл бұрын
The “Bassman” tone stack is really a Super Reverb tone stack. The component values are the same but they’re in different places entirely in the circuit. If you were to buy a small parts kit from Mojotone, you could do it yourself. The reverb AB763 circuit is one of the most difficult to do though. It may be beneficial to send it to Lyle to have it done.
@HiHello-ku1fl
@HiHello-ku1fl 3 жыл бұрын
@@matthewf1979 you mean the tone stack in the 68 custom deluxe reverb's normal channel is a Super Reverb tone stack?
@matthewf1979
@matthewf1979 3 жыл бұрын
@@HiHello-ku1fl Yes.
@HiHello-ku1fl
@HiHello-ku1fl 3 жыл бұрын
@@matthewf1979 oh ok. I always wondered when Fender said Bassman tone stack on the 68 Deluxe reverb custom description whether they meant blackface Bassman or Tweed Bassman? Is the Super Reverb tonestack more like the blackface Bassman tonestack?
@PsionicAudio
@PsionicAudio 3 жыл бұрын
I'm still pricing this, but around $800 not including return shipping or any new tubes the amp might need. See my previous videos on the '68 Custom for the rest.
@zbaby82
@zbaby82 3 жыл бұрын
I don't like cloth wrapped wire either.
@waynegram8907
@waynegram8907 3 жыл бұрын
SRV techs Cesar Diaz said that only tube screamers will work correctly with a fender Super Reverb BlackFace because the tone stack is a mid scoop and the output transformer passes mid frequencies because of how its wound with the nickel being 80% of material in the output transformer. Since the Fender Super Reverb output transformer used four 10inch speakers I'm guessing they had to use more nickel in the magnetics compared to the output transformers used for two 12inch speakers? as well as the Fender Silverface tone stack network is NOT a mid scoop but has more mid range? I have noticed in schematics that fender was experimenting more with the mixer section stage in fender silverfaces so I'm thinking that this is what Cesar Diaz is saying that the tube screamer is not working and interfacing correctly because the mixer section stage from blackface to silverface had a lot of change which they were adding bright caps in the mixer section stage. The Fender Bassman tone stack blackface is very different compared the other blackface fender amps so the fender bassman tone stack will not work well with a tube screamer sounds very muddy. I'm just surprised fender silverface models don't work well using a tube screamer pedal. What are you thoughts?
@PsionicAudio
@PsionicAudio 3 жыл бұрын
I didn't read much of that past Caesar Diaz. I've worked on Diaz amps and I wouldn't advise listening to a word he says about amps. Bad tech who latched onto a great client. Notice that SRV's amps were always blowing up and needing emergency service. That was Diaz at work. I know that's not going to be a popular thing to say, but it's the truth.
@PsionicAudio
@PsionicAudio 3 жыл бұрын
In other words that is all bullshit. Caesar, not you Wayne.
@waynegram8907
@waynegram8907 3 жыл бұрын
@@PsionicAudio I have looked at the schematics of both blackfaces and silverfaces and both the tone stacks are the same the only blackface was different in the tone stack was the fender bassman. The mixer section stages were different in adding parallel capacitors across resistors in the mixer stages. So I'm not sure if this is what Caesar Diaz is talking about or what. But the output transformers having more nickel material in the magnets when using four 10 inch speakers instead of using only two 12 inch speakers, Have you heard anything about the nickel percentage of the output transformers? I know Dick Dale said that leo fender used a very special designed output transformer for his dual showman that he never sold and gave the information to CBS when they bought fender. It has to do with the percentages of the materials used in the output transformers and the lamination. Dick Dale said in an interview no one really knows about the dual showman output transformer because leo fender took that information to his grave. So I'm thinking that the output transformers used in the super reverb had four 10inch speakers is a special mixture of nickle, iron, etc lamination to get those clean glassy tones because only the fender blackface super reverb gets those clean glassy texas tones because of the output transformers and it using four 10 inch speakers.
@waynegram8907
@waynegram8907 3 жыл бұрын
@@PsionicAudio Vertex made a tube screamer clone pedal but it has also a fender blackface circuit built inside the guitar pedal because its being spread like a virus that guitarist and techs are claiming that a tube screamer will only interface correctly using a fender blackface and never with a fender silverface, hot rod deville amps because of the tone stack network and mixer stage. Caesar Diaz I'm guessing feels that the output transformer will only pass a certain type of frequency because of the impedance matching of the output tubes and speaker impedance that is why the fender super reverb has four 10 inch speakers it passes a certain mid range frequency that the tube screamer is boosting. Its about how the output transformer is "frequency Masking" from 20hz to 20khz and it interfaces well with the tube screamer. Each amplifiers has a different output impedance from the power tubes impedance and all amplifiers have a different output transformer so the frequency masking of passing certain frequencies and rejecting frequency I understand. What are you thoughts?
@PsionicAudio
@PsionicAudio 3 жыл бұрын
Ignore Diaz. No comment on Vertex. Google "his" wah.
@voxpathfinder15r
@voxpathfinder15r 3 жыл бұрын
How does a company like Fender with its decades of history and experience continue putting out stuff with mistakes?? You would think with each circuit improvement they would makes amps of absolute perfection. Instead it seems like the previous generation knowledge gets lost with the next generation
@Murry_in_Arizona
@Murry_in_Arizona 3 жыл бұрын
Prevalent corporate and government mindset for the last 40-50 years "if we didn't want to meet minimum standards we wouldn't have them" and the only employees "cherished" are the ones that improve profits and/or cut costs. Oldtimers with skill and knowledge are generally viewed with disdain as expensive (and a pain the adze as they know more than management and "where the bodies are buried") with management preferring "consultants" that get a one time fee, no benefits just do their thing and gone..
@voxpathfinder15r
@voxpathfinder15r 3 жыл бұрын
@@Murry_in_Arizona I remember John Suhr talking about working there and there was this guy working with Eric Clapton about putting an amp together. The effort was so awful Clapton was thinking about jumping ship, Suhr had to jump in and rescue the project. All Eric wanted was a tweed champ. I think the guy was fucking around with opamp chips, microcontroller- real batty shit. Imagine Fender not being able to deliver on making a fender amplifier?
@Murry_in_Arizona
@Murry_in_Arizona 3 жыл бұрын
@@voxpathfinder15r Simple truth is Fender stopped being "Fender" the day Leo sold it to CBS. It lingered on until 69 when the last of Leo's managers bowed out. Gonna be interesting to see what happens to Mesa after being sold to the Gibson "Charlie Foxtrot"
@voxpathfinder15r
@voxpathfinder15r 3 жыл бұрын
@@Murry_in_Arizona seems like a lot of amplifier companies have stopped being what they use to be. In favor of companies putting together digital modeling platforms never meant to last. I think Vox puts out cool shit for a mass made Chinese manufacturing company. But it’s not true Vox - Marshall is the last in line putting out real stuff? Orange amps too? Seems like a lot of German brands have taken over
@Murry_in_Arizona
@Murry_in_Arizona 3 жыл бұрын
@@voxpathfinder15r I think the future of tube amps, such as it is, will come down to boutique builders and people like Lyle that understand the circuit's and know how to innovate plus new technologies. Look at the premium pedal market the "hot" products have been digital control of analog circuits that work and sound great.
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