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Old 12th Oct 2019, 3:06 pm   #18
ms660's Avatar
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 10,562
Default Re: Vintage Radio and Phonograph cutter schematic

The cutter head is isolated from the DC on the plate by the 0.1uF capacitor.

Info from Riders can be seen in here (scroll down to Meissner pages 16-1 to 16-9):

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