[BC] 110 V DC AC/DC radios 5 tube all american

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----- Original Message ----- 
From: "Dennis Cope" <dcope at intercom.net>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Sent: Sunday, December 03, 2006 5:02 PM
Subject: RE: [BC] 110 V DC AC/DC radios 5 tube all american


> They had a diode across the on/off switch which, when off, supplied DC to
> the CRT filament to keep it hot.
>
> Dennis

The tube type Seeburg jukeboxes had a relay that kept the B+ off in standby
mode while keeping the filaments on. In the case on the "instant on" TV, a
way to sell more tubes??

Lane