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Questions about tubes and gear that glows. FAQ

RE: the 6cg7 is a 9 pin version of the 6sn7

If sturdiness is important, look to the Loctal 7N7. Remember, Loctal tubes were intended for mobile applications and are vibration resistant. While the 6SN7 and 7N7 are electrically equivalent, the Loctal version is an all but certain winner in a microphonics contest.

Regardless of branding, Loctal tubes were made at Sylvania's Emporium, PA, plant. Keep the good "press" Sylvania 6SN7s get in mind. You know damned well that Sylvania made 6SN7s and 7N7s from the same "cages", at the same time. Anything else would have been bad for profitability.


Eli D.


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