Quote:
Originally Posted by DonaldStott
why is the tone control and not the volume control coupled with the on/off switch?
In two of the pictures in my Post #9 above there is a large blue electrolytic capacitor which looks fairly new - just wondering if this is a replacement and why?
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I would say that the mains on/off switch isn't fitted to the volume control because any stray 50Hz pickup from the mains lead at that point will be much more amplified compared to what it will be with the switch fitted to the tone control.
The blue capacitor looks all original to me (the soldered connections look original) the capacitor is C40 in the KB manual, it's the ratio detectors reservoir capacitor, usually most folks would replace it as a matter of course.....+ve to chassis.
Lawrence.