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Model 90 Speaker field coil repair
12-02-2016, 04:42 PM
Resistance should be ok @ 1k. The fc isn't used to develop the bias voltages. May have to dink around with the values of the filter caps to get rid of any residual hum and get the HV close to spec.
When my pals were reading comic books I was down in the basement in my dad's workshop. Perusing his Sam's Photofoacts Vol 1-50 admiring the old set and trying to figure out what all those squiggly meant. Circa 1966 Now I think I've got! Terry
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Messages In This Thread
Model 90 Speaker field coil repair - by rrova - 11-30-2016, 08:12 PM
RE: Model 90 Speaker field coil repair - by klondike98 - 11-30-2016, 08:23 PM
RE: Model 90 Speaker field coil repair - by rrova - 11-30-2016, 09:45 PM
RE: Model 90 Speaker field coil repair - by rrova - 11-30-2016, 10:31 PM
RE: Model 90 Speaker field coil repair - by klondike98 - 12-01-2016, 08:37 AM
RE: Model 90 Speaker field coil repair - by rrova - 12-01-2016, 04:39 PM
RE: Model 90 Speaker field coil repair - by Radioroslyn - 12-01-2016, 05:23 PM
RE: Model 90 Speaker field coil repair - by rrova - 12-01-2016, 05:48 PM
RE: Model 90 Speaker field coil repair - by rrova - 12-02-2016, 03:43 PM
RE: Model 90 Speaker field coil repair - by Radioroslyn - 12-02-2016, 04:42 PM
RE: Model 90 Speaker field coil repair - by rrova - 12-03-2016, 04:16 AM
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