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Philco Model 66 volume control
Tubesforme
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Posts: 107
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Joined: Feb 2015
City: Los Angeles, CA
#1

05-16-2017, 04:45 PM
I purchased a model 66 that someone was restoring and the volume control is missing. The chassis calls for a Philco # 33-5006, 350K, audio taper, with switch. Unfortunately, I can not locate a replacement control. However I do have a Philco 250K, audio taper, with switch that I can use. In the past I have replaced volume controls with pots with a slightly higher or lower value, but never replaced one that is 100K lower than it should be. I know it will work, but am questioning if there might be problems down the road.

Also I noted that all of the schematics I have checked, the connection that should be there to feed B+ to the 1st AF is not shown. I know where to make the connection to fix this, but has anyone else ever noticed this?

I am encountering these issues because as I said, someone had been working on this chassis and left it an incomplete mess.

Thanks guys.
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Philco Model 66 volume control - by Tubesforme - 05-16-2017, 04:45 PM
RE: Philco Model 66 volume control - by codefox1 - 05-18-2017, 02:26 PM



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