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Audio o/p valve/tube matching transformer
I seem to remember there is an odd winding arrangement on these.
Is the following normal for a 50W push-pull o/p amp DC resistance on each primary of 53 ohms 1KHz ac inductance of 3.2H each primary but end to end instead of 6.4H it measures 19.4H, mutual inductance effect ? -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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