RCA type 77-DX: 150 and 30ohm variants?

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mic

New member
Joined
Oct 29, 2024
Messages
1
Location
Moab Utah USA
Hi,
I am writing to ask if someone will explain how the 150-ohm and 30-ohm circuit variants should be wired.

The cable connection chart does not seem to explain all the details.

Thank you!

RCA-77-DX-vintage-schematic-01.jpg
 
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