JCM900 Dual Reverb 50 watt
0

votes

My early 900 50 watt head is not as loud as it used to be. It has new power tubes and has been biased. What could be the issue?

asked 01 Dec 2018 at 03:44 PM

rob palumbo
Answers: 1
0

votes

Hello Rob,

It is very hard to diagnose without seeing the amplifier, it could be a faulty resistor we would recommend that you have it looked at by an engineer.

 

Kind Regards

Marshall Support

answered 03 Dec 2018 at 01:16 PM

JOANNA GREEN (643)
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