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Old 28th Apr 2021, 8:23 pm   #6
frsimen
Heptode
 
Join Date: Jan 2011
Location: Croydon, London, UK.
Posts: 773
Default Re: Lafayette Model HA-600A VERY DEAF

Hello Chris

The dotted line shows that RV1 and RV2 are ganged together. They form the RF gain control, with RV1 acting as an attenuator.

Paula
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