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Antique Radio Technical Forum
Motorola tube & transistor hybrid radio.

Posted by Edd on 03/31/2009 11:40


Is this it?
















I guess the ball is now delivered back into Most Honnable Atsushi’s court. . . . .for its confirmation.


Sir Peter. . . . .Those are some DEE-licious colors of radios, but in researching the 54L chassis reveals there being nary a
transistor in the mix.


Those units are utilizing :


A 1V6 “Pencil tube” for the mixer

A 1AH4 “Pencil tube” for the I.F. amplifier

A 1AJ5 “Pencil tube” for the Det-AVC-1st AF amp

A n n n n n d a BIG ‘ole 3S4 for the Audio output. . . . . .300 MILLIWATTS !! . . . . .babycakes.

Battery operation via a 67.5 V “B battery” and 3V “ A battery”

AC operation via Selenium Rectum-fire and dropping resistors, no exoticas being involved.

Thasssit !






73's de Edd










Motorola tube & transistor hybrid radio. 
Atsushi Takagi 03/28/2009 08:20 
[:o)<=== 03/29/2009 22:50 
Edd 03/30/2009 13:43 
Atsushi Takagi 03/31/2009 06:26 
Peter G. Balazsy 03/31/2009 07:31 
Edd 03/31/2009 11:40 
MAG 03/31/2009 11:57 
Atsushi Takagi 04/01/2009 06:27 
Jeff Watson 04/02/2009 15:48 
Edd 04/02/2009 19:22 
Atsushi Takagi 04/03/2009 21:06 

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