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In Reply to: RE: 6J7G work in place of the EF37A no problem posted by glenz10183 on November 03, 2007 at 08:16:13
Sure.
it might not work in some amplification but will work in most .
i think in two stage circuit , the 6J7 might have different swing voltage compare to the EF37 , but in my amp it is close enough for the 2A3 to work prefectly.
Cheers
LT
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