In Reply to: Ask Ralph... posted by Lew on March 26, 2017 at 17:41:23:
...to the Sophia 6SN7.
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Follow Ups
- ozziboy uses 'Sophia' and 'sophie' interchangeably. Here's a link... - jeffreybehr 17:50:56 03/27/17 (1)
- However the vintage European ECC32/33, CV181/CV1988 family of tubes are not real 6SN7 tubes. " - Lew 13:05:51 03/28/17 (0)