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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: It's unusual that 12AU7s in preamps are run as paralleled filaments. posted by rosendds@frontiernet.net on March 20, 2014 at 06:44:17:
The filaments are in parallel just by the fact you are checking between pins 4 and 9.. You are ok with 6.7vdc and it wouldn't hurt to drop it s tad.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
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Follow Ups
- RE: It's unusual that 12AU7s in preamps are run as paralleled filaments. - Michael Samra 13:09:20 03/21/14 (1)
- RE: It's unusual that 12AU7s in preamps are run as paralleled filaments. - rosendds@frontiernet.net 13:28:00 03/21/14 (0)
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