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Old 07-20-2009, 10:01 AM   #52 (permalink)
American Viking
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Re: JCM 900 6l6 to EL34 Conversion problems

Quote:
Originally Posted by RobS View Post
The tech said he has worked on both type amps and did not recommend doing it. He works for Marshall and said that he cannot really hear any difference in these amps with the two tube types.
Rob
Considering to switch between EL34 and 6L6 only requires a simple bias adjustment. There's an out of this world chance that you may need to change the bias resistor but it's extremely unlikely.
Does this guy really work for Marshall? If there's no audible difference between tube types then we're all wasting money and should just go to solid state.
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