Posts: 16,562
Threads: 573
Joined: Oct 2011
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Now that I saw that the 80 is the tube for it, I will leave it in. Boy does it get hot: this one is the small cylindrical envelope ny Ratheon and I seared my fingers a bit trying to take it out.
The speaker sounds beautifully, thanks Rich!
Now the only band I hear is the BC, the other two are silent.
Another thing, the AC hum. I checked it and could see the wire connecting the wiper of the volume pot to the output cap is picking up the hum as I move my hand near it. Could be due to the increased value of the pot. I think I will try shielded wire. And the wire runs exactly where it did before, so no new influences. Shielding might help.
Will see later.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Messages In This Thread
RE: Philco 16B restoration - by morzh - 11-06-2016, 10:12 PM
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Recent Posts
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Rogers Majestic R-646
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| Vlad;
I was just reminded of something else, I'm not sure why but many Rogers built sets do seem to have open primari...Arran — 04:40 PM |
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Rogers Majestic R-646
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| Thanks RpdB
I don't think there's much difference with interstage transformers of different models other than dimersion...Vlad95 — 03:27 PM |
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Rogers Majestic R-646
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| Vlad;
I looks like your set has the same problem that mine did, both a bad output transformer, and a bad audio inters...Arran — 03:21 PM |
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Rogers Majestic R-646
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| Ouch! Not often the secondary takes a hit. Wish there was a better solution. I have a good interstage transformer but it...RodB — 02:59 PM |
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Rogers Majestic R-646
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| By the way, the bypass you suggested is a rare solution in some circuits.
For example, this schematics solution is used...Vlad95 — 01:43 PM |
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Rogers Majestic R-646
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| No, you are wrong, because you did not know the details.
Unfortunately, only ONE winding out of six is intact in both t...Vlad95 — 01:14 PM |
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Rogers Majestic R-646
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| The output 45s are still in push-pull because the transformer secondary winding is still in the grid circuit providing o...RodB — 11:52 AM |
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Rogers Majestic R-646
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| Thanks RodB for the help.
But this is not a real solution to this situation, not even a temporary one. Because the firs...Vlad95 — 11:34 AM |
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Philco Model 16 wiring question
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I was going to check the voltages as you suggested and hooked it up to my dim bulb. It appears I have a short. The bul...bobclausen — 10:34 AM |
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Rogers Majestic R-646
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| You can bypass the interstage transformer by disconnecting the primary, connect a load resistor of about 10k - 20k to th...RodB — 09:40 AM |
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