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Old 24th Feb 2017, 7:35 pm   #196
Techman
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Join Date: Nov 2009
Location: Lincolnshire, UK.
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Default Re: Restore a Beau Decca

Quote:
Originally Posted by thejazzageuk View Post
I am using the 'brilliance' control in its full clockwise position, if I turn it to the centre 'gram' position there is still quite a bit of hum alongside the music. This may reduce as I start to use the amp but I will keep checking this as we go along.
C38 and C43 are the other capacitors I mentioned yesterday that still may need looking at and could be responsible for hum. Also, a complete check of resistor values, as a badly out of value resistor may be responsible for distortion.
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