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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: Question about 6DJ8 pin-out posted by truep on May 3, 2012 at 06:47:01:
"The center tap on the 12AX7 is so you can tie pin 4 and 5 together and use 6.3v between the tie point and pin 9"
That would be wiring each half of the filament in parallel, putting the full 6.3v volts across each half (or equivalently the heater circuit would "see" 1/2 the resistance of the full filament).
Can't imagine why that would be done, and I suspect the filament would have a *very* short life.
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Follow Ups
- RE: Question about 6DJ8 pin-out - bjh 07:27:00 05/03/12 (2)
- RE: Question about 6DJ8 pin-out - Tre' 08:21:43 05/03/12 (1)
- Ah right! ... I've got 6DJ8/6922 on the brain! LOL ... Thanks. nt - bjh 08:46:20 05/03/12 (0)
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