I just bought a VOX AV30, and it sounded great in the store. Well, I've had it for a few days now and it sounds great at my house too, but it makes a sound like a watch clicking. It doesn't occur when nothing is plugged into it, and it gets louder the higher the amp power/gain/ volume. I've tried multiple cords and multiple guitars, but the problem remains. Any idea what this could be?
It's probably coming in through your house wiring, from something else in the house that's on all the time, like a clock radio, maybe the clock in an electric range. Try plugging it in somewhere else, maybe a friend's house. Vox amps have pretty good shielding, but it could also be electro-magnetic interference (EMI), so that the closer it is to the source the louder the clicking will get, or turning it a certain way makes it louder.
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