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Fisher R-20 output frequency range

A

Alameda Dan

New Member
I recently purchased a 1958 Fisher console with an R-20 tube amp. I’d like to upgrade the speakers but I don’t know the frequency range that I should target for the woofer and tweeter.

Is there a source for Fisher tube amp specifications available? I haven’t had any luck finding one so far.
 
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Welcome to AK.

There's information on the 1958 Contemporary C800 console with R20 over in the Fisher forum. Take a look over under that sub forum stickies. There is a schematic, parts list, owner's manual and other docs.

Link to AK threads on Fisher consoles: https://audiokarma.org/forums/index.php?threads/a-compendium-of-fisher-consoles.477128/
Link to Fisher console website for the C800: https://www.fisherconsoles.com/contemporary c800.html

If you would like this thread moved to the Fisher forum for potentially more focused response, let us know. You can also use the Report button function to request the move. Reports are visible to and addressed by moderators and admins.
 
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