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Philco 20, 70, or 90 field coil impedence?
catman351
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Posts: 4
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Joined: Jun 2017
City: Tampa, FL
#1

06-19-2017, 03:02 PM
Hi:
What is the impedance of the field coil for the above speakers? I'm thinking about substituting the field coil in the power supply for an equivalent choke. I'm trying out a different audio output circuit using a PM speaker. Thanks. Cal.
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Philco 20, 70, or 90 field coil impedence? - by catman351 - 06-19-2017, 03:02 PM



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