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Ballast Tube Question..
BrendaAnnD
Phorum Expert
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Posts: 1,108
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City: Tacoma State, Province, Country: Washington
#9

10-18-2013, 09:11 AM
Simple diode in series with the filaments should give you ~.707 of your line voltage. Not sure if that's enough drop. I'm sure there are folks on here that could give you the math for using a non-polarized series cap.
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Messages In This Thread
Ballast Tube Question.. - by Jamie - 10-17-2013, 07:13 PM
RE: Ballast Tube Question.. - by Joe Rossi - 10-17-2013, 08:09 PM
RE: Ballast Tube Question.. - by TA Forbes - 10-17-2013, 08:56 PM
RE: Ballast Tube Question.. - by Radioroslyn - 10-17-2013, 10:08 PM
RE: Ballast Tube Question.. - by TA Forbes - 10-17-2013, 10:27 PM
RE: Ballast Tube Question.. - by Arran - 10-18-2013, 01:14 AM
RE: Ballast Tube Question.. - by Radioroslyn - 10-18-2013, 07:17 AM
RE: Ballast Tube Question.. - by Jamie - 10-18-2013, 08:17 AM
RE: Ballast Tube Question.. - by BrendaAnnD - 10-18-2013, 09:11 AM
RE: Ballast Tube Question.. - by Mondial - 10-18-2013, 09:42 AM
RE: Ballast Tube Question.. - by Jamie - 10-18-2013, 02:07 PM
RE: Ballast Tube Question.. - by Mondial - 10-18-2013, 06:04 PM
RE: Ballast Tube Question.. - by Arran - 10-18-2013, 10:44 PM
RE: Ballast Tube Question.. - by BrendaAnnD - 10-18-2013, 10:53 PM
RE: Ballast Tube Question.. - by Mondial - 10-18-2013, 11:02 PM
RE: Ballast Tube Question.. - by GarySP - 10-18-2013, 11:25 PM
RE: Ballast Tube Question.. - by Jamie - 10-19-2013, 10:04 AM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)