Replacing a field coil speaker

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bridkarl
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Posts: 522
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City: Pocatello State, Province, Country: idaho

03-28-2026, 11:57 AM

I haven't done this before, but it's time I figured this out. Not a Philco but a Fairfield Morse. As I understand this I replace the field coil (circled on schematic) with a resistor of the same value and high wattage and put a permanent magnet speaker where the speaker goes. There's a cap/resistor in series across the speaker which I assume stays. Am I missing something??

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Messages In This Thread

Replacing a field coil speaker - by bridkarl - 03-28-2026, 11:57 AM

RE: Replacing a field coil speaker - by RodB - 03-28-2026, 12:47 PM

RE: Replacing a field coil speaker - by RodB - 03-28-2026, 12:59 PM

RE: Replacing a field coil speaker - by bridkarl - 03-28-2026, 12:59 PM

RE: Replacing a field coil speaker - by RodB - 03-28-2026, 01:07 PM

RE: Replacing a field coil speaker - by RodB - 03-28-2026, 01:13 PM

RE: Replacing a field coil speaker - by bridkarl - 03-28-2026, 02:06 PM

RE: Replacing a field coil speaker - by MrFixr55 - 03-28-2026, 06:31 PM

RE: Replacing a field coil speaker - by morzh - 03-28-2026, 06:44 PM

RE: Replacing a field coil speaker - by bridkarl - 03-28-2026, 07:02 PM

RE: Replacing a field coil speaker - by morzh - 03-28-2026, 07:26 PM

RE: Replacing a field coil speaker - by bridkarl - 03-28-2026, 07:40 PM

RE: Replacing a field coil speaker - by morzh - 03-28-2026, 08:48 PM

RE: Replacing a field coil speaker - by Arran - 03-28-2026, 09:55 PM

RE: Replacing a field coil speaker - by bridkarl - 03-28-2026, 10:28 PM

RE: Replacing a field coil speaker - by DaleHCook - 03-29-2026, 10:16 AM

RE: Replacing a field coil speaker - by morzh - 03-29-2026, 10:32 AM

RE: Replacing a field coil speaker - by Chas - 03-29-2026, 02:32 PM

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