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This amp looks like it has been in a time capsule. I would guess it is from the early to mid-1940s. Anybody out there have a clue? The tubes are unfamiliar and the socket pin count is squirrel-y, with extra cap connectors on some of the tubes. Each tube also has a three piece “man in the iron mask” shield that clasps around it.

The construction is so bullet-proof that it is no wonder it survived. It has a field coil speaker that predates the common use of permanent magnets. This field coil also doubles as a power supply choke. Ingenious! Beautiful simplicity, and it sounds terrific to boot. Gutsy, yet open.

2 commments

December 3, 2011
2:16 am

Hey there, I just got one of these too, and am wondering how much work, if any, I should have done on mine. Did you ever figure this amp out? if you still have it, you can date it by the speaker codes

December 6, 2011
10:53 am

nadine

writes

Thanks for your post. We worked out the issues with this amp and it sounded great! It was a repair, so we don’t have it around anymore to date it. They just don’t make them like this anymore. Well worth keeping going in our opinion.

Thanks,
Specimen

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