[NJARC] Need values for BL 42 D Ballast Resistor
Joe Connor via NJARC
njarc at mailman.qth.net
Wed Apr 1 10:13:32 EDT 2015
Phil:
Here is a useful page on deciphering ballast tubes:http://www.radioremembered.org/ballast.htm
This site gives the wiring diagram: http://www.radiomuseum.org/tubes/tube_bl42d.html
This site sells some universal replacements:http://www.vacuumtubesinc.com/Products/BallastTubesDelayRelays/BallastTubes.aspx#
Here's an interesting question: with today's higher line voltages, should you use a ballast tube that drops more voltage as a way to compensate for the higher line voltage?
Joe Connor
On Wednesday, April 1, 2015 9:56 AM, Phil Vourtsis <philvourtsis at gmail.com> wrote:
I picked up a GE J62 radio at the Charlotte AWA meet in beautiful condition. But one of the tube sockets was empty. Turns out it needs a ballast resistor. Does anyone have a list of these and what resistors values are? I'm looking for a BL 42 D. I checked the schematic and it shows 3 resistors but no values.
Thanks,Phil V
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