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37-116/38-116
rfeenstra
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#5

04-11-2020, 09:29 PM
When Terry said that I measured the field coils of my 38 and 37 sitting here. The 37 measured 350, the 38 330. The schematic for the 38 says 350 ohms, and the schematic for the 37 says 400 ohms. I know that , for a while, I had the speaker for the 37 hooked up to the 38. The field coils for the 38 and 37 are in the B- supply, rather than in the B+ supply, hence the lower resistance.
(This post was last modified: 04-11-2020, 09:34 PM by rfeenstra.)
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Messages In This Thread
37-116/38-116 - by Miken - 04-11-2020, 08:10 PM
RE: 37-116/38-116 - by Radioroslyn - 04-11-2020, 08:45 PM
RE: 37-116/38-116 - by rfeenstra - 04-11-2020, 08:49 PM
RE: 37-116/38-116 - by morzh - 04-11-2020, 09:24 PM
RE: 37-116/38-116 - by rfeenstra - 04-11-2020, 09:29 PM
RE: 37-116/38-116 - by morzh - 04-11-2020, 09:36 PM
RE: 37-116/38-116 - by rfeenstra - 04-11-2020, 11:56 PM
RE: 37-116/38-116 - by morzh - 04-12-2020, 12:15 AM
RE: 37-116/38-116 - by Radioroslyn - 04-12-2020, 12:59 AM
RE: 37-116/38-116 - by Miken - 04-12-2020, 05:52 AM
RE: 37-116/38-116 - by rfeenstra - 04-12-2020, 11:23 AM
RE: 37-116/38-116 - by morzh - 04-12-2020, 11:56 AM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration