Problem with Peavey JSX Mini Colossal

iceman79

New member
Bought a new JSX Mini Colossal a few days ago and so far its great. However the volume intermittently drops and spikes. I think the problem might have to do with the built in "power sponge" attenuator. I haven't yet played the amp at 100% power, because of my living situation I keep the sponge set at about 1%. Should I take the amp back? Any info from you guys that use attenuators is appreciated.
 
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