Quote:
Originally Posted by Josh Lawson
Sounds like the power tubes weren't properly biased together. Each power tube has a separate bias pot, (a Bogner design) and according to the Line 6 forums, this feature is creating a widespread epidemic of bad tone come from these amps.
Tech's often don't know how to set them up right, they come come out of the factory set up wrong, Usually the consensus is that the power tubes are all set to a different Milliamp setting, and usually cold...resulting in a barking, honking and harsh sound. If anyone owns this amp and wants to know how to get this amp to sound like it should, set each Power tube to 40 MA, and then this amp sounds right and does what it is supposed to do.
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Interesting... now I wish I didn't sell it so I could try it out with it biased hotter!! Oh well.. I guess I'll just have to live with my UL and PB =).