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Philco "Super 89" With 6A7 Tube
Steve Davis
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Posts: 1,407
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#3

02-06-2017, 07:02 PM
About a year I had a Philco 19 on the bench. The oscillator would die out on the upper end of the band. I tried all the things we do in a case likes this. I tried different 36 tubes, baked the oscillator coil and lowered the value of the cathode resistor. This was the first time one of these things beat me. I'm really thinking about getting the chassis back down off the shelf and doing Ron's "super mod" on it.

Steve
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Philco "Super 89" With 6A7 Tube - by markmokris - 02-06-2017, 05:24 PM
RE: Philco "Super 89" With 6A7 Tube - by Steve Davis - 02-06-2017, 07:02 PM



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