Thank you for posting the long saga you've had with this Champ. I've done quite a bit of work on my own 1974 VibroChamp (caps, tubes, speaker, cleaning, etc.). Unfortunately, I instantly recognized that flubby, wooly distortion you got when you turned it up. Mine even has the same microphonics with certain bass notes. I look forward to making the changes you made in the "Gremlins Gone" video, and also those in some of the comments to this video. As a long time engineer new to tube amps, I appreciate your slow and thoughtful approach.
Had the same thing with a 73 twin recently. Treble cap had become insanely microphonic (more than usual) and "woolly" sounding. Changing that cap was a necessity. I also changed the phase inverter coupling cap and found that had a huge impact on the amp's overall treble response. Tried all sorts of caps, same value but different dielectrics. Mustards, mallories etc. All sounded wildly different. I mean enough that 2-3 other people were able to say "yes it absolutely does". Surprised me..
Sure would like to know what's causing that. If I was in your shoes, I'd think about adding something like a bass shaker to your work bench to find vibration problems.
Hello, , does a champ with bass and treble load down the signal more as opposed to the just a tone knob on the earlier champs(tweed) Thank you .................
Thanks for your wisdom! Keep it going forward... massive congratulations for your work. Psionic will be huge. We are watching your channel from Europe.
Class 2 ceramic caps are shit on paper, just like the ceramic caps found in old amps. That’s why I use them in amps and it does matter. If it were a piece of test equipment(tube tester, HV cap tester, scope etc) I would use class 1 ceramic, silver mica or polypropylene.
talking about music is like dancing to architecture…! Say no more, nothing more is needed
Another great job. And a Zappa quote! Thank you.
I don't think I've ever heard a Champ sound so 'big'...nice job !
Im pretty sure i only understand about 3% of what is said but i sure do love watching lol
"The riff" 😂
Thank you for posting the long saga you've had with this Champ. I've done quite a bit of work on my own 1974 VibroChamp (caps, tubes, speaker, cleaning, etc.). Unfortunately, I instantly recognized that flubby, wooly distortion you got when you turned it up. Mine even has the same microphonics with certain bass notes. I look forward to making the changes you made in the "Gremlins Gone" video, and also those in some of the comments to this video. As a long time engineer new to tube amps, I appreciate your slow and thoughtful approach.
Congrats on the 6k mark. Pretty soon 100k keep it up 👏 Someday you might get that shop you been thinking about.
Had the same thing with a 73 twin recently. Treble cap had become insanely microphonic (more than usual) and "woolly" sounding. Changing that cap was a necessity. I also changed the phase inverter coupling cap and found that had a huge impact on the amp's overall treble response. Tried all sorts of caps, same value but different dielectrics. Mustards, mallories etc. All sounded wildly different. I mean enough that 2-3 other people were able to say "yes it absolutely does". Surprised me..
Sure would like to know what's causing that. If I was in your shoes, I'd think about adding something like a bass shaker to your work bench to find vibration problems.
Hello, , does a champ with bass and treble load down the signal more as opposed to the just a tone knob on the earlier champs(tweed)
Thank you .................
Yes, a tonestack has what we call insertion loss.
Thanks for your wisdom! Keep it going forward... massive congratulations for your work. Psionic will be huge. We are watching your channel from Europe.
Champs are the hardest amps to improve without big changes. At least that is my experiance.
5:45 lovely chords and playing. Great sounding amp now too. Thanks!
I have an older Weber 8” with a large magnet in my 1965 VibroChamp. For an 8” it sounds great, especially with humbuckers.
Class 2 ceramic caps are shit on paper, just like the ceramic caps found in old amps. That’s why I use them in amps and it does matter.
If it were a piece of test equipment(tube tester, HV cap tester, scope etc) I would use class 1 ceramic, silver mica or polypropylene.
next---work on Nighthawk's Champ!
Is there an easy way to determine the foil side of the 3 tone resistors?
Excellent video. Furry is more conducive to a rodent urinating in your amp than great tones coming out of it. Cheers from Utah!
Who Thumbed Down? Free real experiances here.
That's a nice solid sounding strat. Is it an American model?
Love it brother.. Cheers
Such a genius
It blows my mind you improve old school it sounds so good on this end Beautiful