coronado model 650

[sansui2000A]

It's a farm radio and is in kinda bad shape. Any schematic info?

Thanks

[DavGoodlin]

The radio has two 950 audio output tubes. Requires 90 volts B supply, 2 volts A supply and -4.5 C supply.

Looks like its from mid 30's.

http://www.nostalgiaair.org/ has the Riders 8-30 schematic under "resources".

http://www.radioatticarchives.com/radio.htm?radio=4663 is your photo

My Air Castle 604 farm set is similar in operation (40's) but has totally different tubes.

[Electronic M]

I think I may have an unrestored example stashed away somewhere.

[sansui2000A]

Thanks, I didn't see the "C" supply on the schematic.

[DavGoodlin]

Pardons, I said C supply , but the schematic shows it as B-.
I use 3 AAA batteries since there is practically no current draw.