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RE: too high voltage with gz37 rectifier in kit 1

78.16.107.168

Posted by Aubs on June 9, 2008 at 12:27:39

In Reply to: too high voltage with gz37 rectifier in kit 1 posted by Vincin on June 8, 2008 at 22:13:10:

Hi,

I would replace the input cap with 4uf - this will reduce the voltage as you require - the idea that reducing the input cap will worsen the hum figure is not true- in point of fact, a lower first cap value will in itself result in lower, yes, lower hum! If the input capacitor is too large, this will result in heavy AC charge current through this capacitor. The AC capacitor current peaks may cause hum radiation into the amplifier.

Rewgards

Aubs

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