Philco 70 output transformer

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Philco 70 output transformer

rfeenstra
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Posts: 1,186
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Joined: Oct 2017
City: Allendale, MI

05-06-2020, 10:31 PM

According to the speaker chart in the library, it should be a K3 with a voice coil impedance of .7 ohms and a primary out put transformer DC resistance of 450 ohms. It doesn't give the secondary DC ohms value, but it would be low. I would measure mine but it has a replacement transformer in it.

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Philco 70 output transformer - by radio1 - 05-06-2020, 06:49 PM

RE: Philco 70 output transformer - by Radioroslyn - 05-06-2020, 07:32 PM

RE: Philco 70 output transformer - by radio1 - 05-06-2020, 07:40 PM

RE: Philco 70 output transformer - by klondike98 - 05-06-2020, 09:45 PM

RE: Philco 70 output transformer - by rfeenstra - 05-06-2020, 10:31 PM

RE: Philco 70 output transformer - by klondike98 - 05-06-2020, 10:56 PM

RE: Philco 70 output transformer - by radio1 - 05-07-2020, 04:45 AM

RE: Philco 70 output transformer - by Steve Davis - 05-07-2020, 07:58 AM

RE: Philco 70 output transformer - by radio1 - 05-07-2020, 08:59 AM

RE: Philco 70 output transformer - by radio1 - 05-07-2020, 10:20 AM

RE: Philco 70 output transformer - by morzh - 05-07-2020, 10:40 AM

RE: Philco 70 output transformer - by rfeenstra - 05-07-2020, 11:01 AM

RE: Philco 70 output transformer - by radio1 - 05-07-2020, 11:21 AM

RE: Philco 70 output transformer - by morzh - 05-07-2020, 11:46 AM

RE: Philco 70 output transformer - by rfeenstra - 05-07-2020, 11:56 AM

RE: Philco 70 output transformer - by radio1 - 05-07-2020, 06:34 PM

RE: Philco 70 output transformer - by morzh - 05-07-2020, 07:46 PM

RE: Philco 70 output transformer - by radio1 - 05-08-2020, 03:17 PM

RE: Philco 70 output transformer - by morzh - 05-08-2020, 03:51 PM

RE: Philco 70 output transformer - by radio1 - 05-18-2020, 05:52 PM

RE: Philco 70 output transformer - by radio1 - 05-19-2020, 07:26 PM

RE: Philco 70 output transformer - by radio1 - 05-27-2020, 07:19 PM

RE: Philco 70 output transformer - by radio1 - 06-06-2020, 07:22 PM

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