[Milsurplus] ER65

[Al Klase]

Hi Mike,

Radio B-batteries were generally made up of groups of 15 carbon-zinc 
cells (3 x 5), 1.5 volts per cell.  So the "standard" voltages were 22 
1/2, 45, 67 1/2, 90, and 135.

Al

On 5/17/2013 7:03 PM, Michael A. Bittner wrote:
> I picked up this little Swedish ER65 regenerative receiver at a local swap meet.
> https://www.dropbox.com/home/ER65
> It is meant for monitoring the old 500 kHz emergency frequency and is well described in the RADIO MUSEUM web site.
> -
> My question is: What is magic about 65 Volts DC for its power source?
> Was this a standard power source on some ships or shore stations, or did it require an external power supply?
> -
> Mike, W6MAB
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/