Tube Amp
Tube Amp
my tube amp pops loudly when turned off?
Hi guys! I've been around a few tube amps, and none of them pop quite as loudly when switched off as the one I've got.
What causes a tube amp to make a pop when turned off anyway? Stored electricity being released into the speaker? More importantly, does it hurt my amplifier when it does this? It does it even if all the knobs are on zero.
It is fairly common for a tube amp to do this, and some solid state amps do also. It certainly does not harm the amp. It is a little hard on the speaker if it is real loud.
A tube amp will have an output transformer, so this means no DC will pass to the speakers, but a transient in any stage of the amplifier will pass through to the speakers. There are a number of causes. A bad tube is the first possibility, and it can be any tube in the amp. An intermittent electrolitic capacitor would be the second place to look.
I could tell you how to track this down, but we would have to do that by email.
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