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Zenith 5R312 voltages
#16

Hi:
Update on this Zenith radio.
Plan A
I hooked up a bucking transformer and it worked well....Price about $10.. Dropped voltage to 113V.
Howerever, because of the size of the transformer, it could not be mounted on the chassis.
Plan B
I installed a 25 Ohm 25W Vishay/Dale wirewound chassis mount type resistor. Price was about $4... It worked well, and dropped voltage to 115V...Filament voltage was spot on at 6.3V... The heat generated was not a problem, even afer 4 hours... very minor. Both ideas were good, and a great learning experience.
Thanks guys for all your input.Icon_clap
Buzz


Messages In This Thread
Zenith 5R312 voltages - by Buzz - 11-01-2013, 08:30 PM
RE: Zenith 5R312 voltages - by morzh - 11-01-2013, 09:38 PM
RE: Zenith 5R312 voltages - by Buzz - 11-01-2013, 09:42 PM
RE: Zenith 5R312 voltages - by BrendaAnnD - 11-01-2013, 09:48 PM
RE: Zenith 5R312 voltages - by Arran - 11-01-2013, 10:06 PM
RE: Zenith 5R312 voltages - by Mondial - 11-01-2013, 11:06 PM
RE: Zenith 5R312 voltages - by Buzz - 11-03-2013, 05:28 PM
RE: Zenith 5R312 voltages - by morzh - 11-03-2013, 09:44 PM
RE: Zenith 5R312 voltages - by Arran - 11-04-2013, 02:10 AM
RE: Zenith 5R312 voltages - by Buzz - 11-04-2013, 11:36 AM
RE: Zenith 5R312 voltages - by BrendaAnnD - 11-04-2013, 02:43 PM
RE: Zenith 5R312 voltages - by morzh - 11-04-2013, 07:52 PM
RE: Zenith 5R312 voltages - by Buzz - 11-04-2013, 08:58 PM
RE: Zenith 5R312 voltages - by Arran - 11-04-2013, 09:14 PM
RE: Zenith 5R312 voltages - by morzh - 11-04-2013, 09:22 PM
RE: Zenith 5R312 voltages - by Buzz - 11-08-2013, 09:43 PM
RE: Zenith 5R312 voltages - by Arran - 11-09-2013, 02:09 AM



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