Thread: Tone Controls
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Old 3rd Nov 2019, 7:07 am   #149
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
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Default Re: Tone Controls

I'd spotted that on the schematic. It looked like a compromise to simplify switching by no longer being able to completely cancel the filter. The 1k series resistor is needed to set the source impedance for when the filter really is in use.

David
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