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Old 11th Oct 2019, 5:26 pm   #4
G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
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Default Re: Cretinous idea - The combined volume pot and mains SW.

Quote:
Originally Posted by Station X View Post
Some radios gang the OFF/ON switch with the tone control.
Which in many cases still means there is mains-voltage AC and slow-level-audio wiring in close proximity so the opportunity for hum is still there.

(the combining tone-control and on/off does however reduce the wear on the low-level part of the volume-control pot and hence the usual 'scratchiness').

I've seen at least one radio where the on/off was combined with the wavechange switch - meaning hum-modulation of the local-oscillator!
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