RE: RCA 6SN7 identity

Tubes Asylum

Questions about tubes and gear that glows. FAQ

In Reply to: RCA 6SN7 identity posted by f1jim@yahoo.com on October 13, 2015 at 17:04:17:

You can't tell by the position of the filament. Some are higher than others, even in tubes from the same production lot. The plates vary with various production, though. Also, the two-digit code will give the year and month.

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Follow Ups Full Thread

Topic - RCA 6SN7 identity - f1jim@yahoo.com 17:04:17 10/13/15 (3)

RE: RCA 6SN7 identity - Mechans 17:20:41 10/14/15 (1)

RE: RCA 6SN7 identity - f1jim@yahoo.com 17:23:49 10/14/15 (0)

RE: RCA 6SN7 identity - Alpha Al 21:33:17 10/13/15 (0)

Follow Ups

RE: RCA 6SN7 identity - Alpha Al 21:33:17 10/13/15 (0)

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