| Just got an Ampeg SVT CL for 350 bucks. It has a volume problem.
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So basically this head is in great shape but whenever its plugged in and playing the sound goes from regular volume to low volume. Now that sounds like a power tube issue but the tubes were replaced very recently, so tells me my friend who sold it to me. I don't have a cab at home to try and check out the lights in the back but I will tomorrow. Could it be anything else? I was thinking a transformer issue but I don't see the symptoms for that. | 
