Sears 101-854 - Videokarma.org TV - Video - Vintage Television & Radio Forums

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Sears 101-854

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#11

11-28-2014, 09:12 PM

bandersen

RCA 741PCS

Join Date: Mar 2009

Location: Chicago, IL

Posts: 8,814

Yes, four tubes in the pushbutton tuner.

7AG7 + 7F8 for channels 2-6
6AK5 + 7F8 for channels 7-13

Split sound IF using six tubes!

6AU6 1st sound IF
6AU6 2nd sound IF
6AU6 3rd sound IF
7A6 discriminator
6AT6 1st AF
7B5 audio output

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