RCA 6N7 and/or 6N7GT in place of RCA 6SN7 (VT-231)

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Has anyone used these pre-6SN7 in a preamp? The 6N7 is made of metal in the 1930s. It has a higher Mu, around 40. What did they sound like? This is the same octal base as the 6SN7, is it not?

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Topic - RCA 6N7 and/or 6N7GT in place of RCA 6SN7 (VT-231) - Frihed89 04:04:49 03/22/07 (4)

Re: RCA 6N7 and/or 6N7GT in place of RCA 6SN7 (VT-231) - TimFox 17:34:13 03/22/07 (0)

Re: RCA 6N7 and/or 6N7GT in place of RCA 6SN7 (VT-231) - Tom Bavis 08:54:26 03/22/07 (2)

Sounds ghastly to my ears - andy evans 03:47:20 03/23/07 (1)

Thanks But it looks sooooooooo cool - Frihed89 07:15:34 03/23/07 (0)

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