In Reply to: Ask Ralph... posted by Lew on March 26, 2017 at 17:41:23:
Thanks,
The Sophie tube is an Audiophile tube that is taller and wider than the normal size 6SN7 tubes.
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Follow Ups
- RE: Ask Ralph... - ozzyboy 19:10:38 03/26/17 (1)
- All 6SN7s are "audiophile" tubes - Lew 12:59:09 03/28/17 (0)