Posts: 65
Threads: 4
Joined: Oct 2016
City: Alexandria Virginia
Yes sorry about that. The voltage at the mixer tube is 150 V (after warming up). And the voltage at the oscillator is 43 V. Note these new values. I will admit this. I noticed I had a 4700 ohm resistor connecting pin 7 and 6 of the oscillator last night instead of 47,000 so i corrected that (its hard to tell orange from red I guess). But the radio has not changed.... .I get no stations. Same problem. So the voltage on the oscillator is still low.
Messages In This Thread
RE: 42-365 - by ccbaker13 - 12-09-2016, 09:03 AM
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Recent Posts
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Need Help to ID this radio 11 tube Philco
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Welcome to the Phorum, Ken! Lots of help here for all of your restoration questions. Take care and BE HEALTHY! - Gar...GarySP — 07:59 PM |
Need Help to ID this radio 11 tube Philco
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Thank you.
I went to your online library and found 2 schematics.
I will download and compare to components!Ken D. — 06:31 PM |
Need Help to ID this radio 11 tube Philco
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It is a 16B tombstone.morzh — 06:13 PM |
Zenith H725
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David - sorry, I reread your post and finally saw THD - now the % figures make sense. Thanks for explaining.
The PSU...EdHolland — 06:06 PM |
Need Help to ID this radio 11 tube Philco
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Hi Everyone,
New member but have been reading this for awhile for tips!
Vaccum tubes were before my time so bear with ...Ken D. — 06:03 PM |
My Philco 37-116 Restore
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Thank you MrFixR55, I appreciate your comments very much. I do not detect much hum if any so I will be staying with the ...dconant — 05:15 PM |
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Hi DConant
Yes, you can replace chokes with resistors. You do stand the risk of increased hum. the solution is to inc...MrFixr55 — 04:23 PM |
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1.7-3.9 %, a modified Sine wave inverter is around 25%. Most generators from big box stores run 10% at a 50% load. What ...David — 04:06 PM |
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I am having a heck of a time doing the alignment on the AM band. I can't seem to dial in the 1500 KC oscillator. I can h...dconant — 03:35 PM |
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David - I think I understand but what units are you discussing (Low of 1.7, high of 3.9)?
Budget constraints for Ham ...EdHolland — 01:43 PM |
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