[Milsurplus] BC-654

[WA5CAB at cs.com]

307A also used in Western Electric 27A and BC-315.  Which could be the same 
thing, as my notes say BC-315 built by WECo.

In a message dated 9/21/2009 8:33:07 PM Central Daylight Time, 
w7qho at aol.com writes: 
> Used in (and maybe designed for?) pre-war police radios.  The 5.5 volt  
> filament was probably to accommodate voltage drop in the 6 volt auto  
> systems of the period.  The Coast Guard T-100 aircraft transmitter  
> also used 307A's.
> 
> Dennis D.  W7QHO
> Glendale, CA
> 
> On Sep 21, 2009, at 6:18 PM, Thomas Adams wrote:
> 
> >The 1948 Editors and Engineer's Radio Handbook claims that the 307A
> >was used in ONLY
> >ONE hunk of equipment; the BC-654!
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480