Silvertone 1484 Twin Twelve Tremolo Not Working

[elixxrx66]

The tremolo on my Silvertone 1484 has recently stopped working. At first it started getting weaker but now it just doesn't work at all. I have switched out the 12ax7 tube for another and that's not the problem. I'm thinking maybe it might be the cap. I recently replaced all the old caps with new ones except the one to the tremolo. If anyone has any idea what it could be I'd very much appreciate it.

[Robert M. Martinelli]

Hi,
I'd check the trem optocoupler ( Neon lamp + LDR ), also, check the plate voltage on the second half of V6 - it should swing at the trem oscillation rate.

Hope this helps

Best regards

Bob

[Ptron]

I recently replaced all the old caps with new ones except the one to the tremolo.

It's the caps IN the tremolo oscillator curcuit you probably need to replace. I just did this to fix a 1474. I replaced all the caps in the tremolo circuit, but I think from what I read around here that it's the 3 .02uf ones in the phase-delay-feedback-thingy (what's it called again?) that are usually the culprit.

EDIT: I guess in this amp it's 2 .01ufs and a .02uf. Not saying this is what's wrong with your amp but if you search this you'll see that it a pretty common problem. They get leaky or somthing.