Amp has popping that echos

Ever since I've had my Fender solid state amp, when I turn it off, sometimes it pops loud. Now it does it sometimes while I'm playing with it. It sounds kind of weird, like it echos. Does anyone know whats wrong here?


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I'm more of a valve man myself, but this can be very common with SS amps. A sudden voltage drop can cause these pops, and I always get into the habit of bringing the Vol to zero before switching off; SS or valve. It sounds like a capacitor problem, and I have no idea whether your amp has some kind of filter intended to reduce these pops, but your descn suggests there never was one. Given that it's doing it while you play (have you tried changing your lead, BTW - and make sure your input jack on the guitar is tight), I can only suggest you have a tech look over it.

Sorry I can't be more helpful than that, but SS amps are not something I have a great knowledge of. Do protect your speakers by zeroing before switching off, though.

Thanks 1bassleft. Is valve state the same thing as tube amp?

Sorry, Bish - I was forgetting my Englishisms don't translate. Yes, I meant I use tube amplifiers rather than SS. Incidentally, if you flick off a tube amp (and I mean one with power tubes; not the hybrids with a tube in the preamp and a SS power section) with the volume up, you don't get that "Whump" noise so much. Instead, if you carry on playing, the output takes a while to reduce in volume and goes farty-distorty. This is because the filter capacitors are still discharging enough juice after the mains has gone to amplify the guitar out through the speaker.

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