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Old 1st Nov 2019, 2:20 pm   #36
ms660
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Join Date: Apr 2011
Location: Cornwall, UK.
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Default Re: Vintage Radio and Phonograph cutter schematic

The Y Class capacitor might or might not affect the hum level, you can determine that by experiment.

The maximum current that can flow via a 0.01uF capacitor that isn't faulty that's connected between 110 volts Live and Earth is approx. 350uA (350 microamps)….I = V/Xc…..Xc can be determined here:

https://www.electronics2000.co.uk/ca...calculator.php

Lawrence.
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