RE: Question about 6DJ8 pin-out

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In Reply to: RE: Question about 6DJ8 pin-out posted by bjh on May 3, 2012 at 07:27:00:

A 12ax7 has a 12.6 volt, center tapped filament. Each half seeing 6.3 volts when 12.6 volts is applied.
Wiring the two halves in parallel and and applying 6.3 volts at double the current draw is done all the time. They are meant to be used either way.
The heater draw with 12.6 volt across the whole filament is 150ma and the heater draw with the filaments in parallel at 6.3 volts is 300ma.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
http://www.mif.pg.gda.pl/homepages/frank/sheets/093/1/12AX7. (Open in New Window)

Edits: 05/03/12 05/03/12

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Follow Ups Full Thread

Topic - Question about 6DJ8 pin-out - bjh 17:26:44 05/02/12 (6)

RE: Question about 6DJ8 pin-out - truep 06:47:01 05/03/12 (3)

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)

RE: Question about 6DJ8 pin-out - Eli Duttman 18:00:51 05/02/12 (1)

Thanks! nt - bjh 18:08:34 05/02/12 (0)

Follow Ups

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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