Output tube matching pot on ultralinear fender super reverb (and fried screen grid resistors)

[judge734]

I just picked up a 1979 Super Reverb off Facebook for cheap. I used it for a few weeks never turning the volume above 3 and it sounded great except there...

[Gioanpj]

I bought a '74 silverface concert bass off a dude who had a video on youtube for $50. His video made me cringe, but I figured it'd be an easy fix.
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[evil79]

So I'm working on a 1969 bassman and noticed there's one more filter cap than on the schematic, or on any of the bassman schematics that I've seen. I've noticed...

[sibo]

I play guitar through my '70s Bassman silverface 100W and just decided to spoil my beloved amp with a new speaker. There are two outputs, speaker and extra...

[wheatley]

i'm recapping a push pull MV twin and i noticed that many of the resistors are far from there spec values. for instance the power tube grid resistors are...

[65basser]

I'm working on a 70's Super Reverb(non-master) that has strange vibrato problem. When you turn the speed knob towards the slowest or fastest settings, the...

[techineer]

Having serviced guitar amps for 9 years now, I kept hearing about CBS making design changes that negatively affected the tone of the Fender amps.
...

[kurisurokku]

Hi everyone, I'm pretty new to amp troubleshooting and brand new to this forum, so bear with me .

I'm having a problem with my Silverface...