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RE: These are the right adapters if you want to run 6CG7s in the MAC amps in place of the 12au7s.

LOL...just change the socket connections.

If I could be sure the power Iron would stand it, I'd change the 12BH7 socket too and plug a pair of 6H6Pi into both...and then discover the CF tube was a low gm one and then I'd do that socket too...:)

First of all, get rid of the fixed fixed bias; put a pot in there so the idle current can be set to spec for each tube.
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.

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  • RE: These are the right adapters if you want to run 6CG7s in the MAC amps in place of the 12au7s. - PakProtector 01/16/1709:21:13 01/16/17 (0)
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