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Re: Model 20 Modification
Ron Ramirez
Silent Key
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Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#2

05-26-2007, 12:28 PM
Certainly NOT a factory mod. Your radio has lost a stage of audio amplification by using a 47 in place of the 27 audio amp and not using the push pull 71As at all.

You could always convert it back by adding two 4 pin tube sockets where the hole covers are now at...as well as an interstage transformer, push-pull output transformer, 71A tubes, a 27 tube, undoing the modified wiring, etc.
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Ron Ramirez
Ferdinand IN
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Re: Model 20 Modification - by Guest - 03-03-2007, 09:36 PM
[No subject] - by Ron Ramirez - 05-26-2007, 12:28 PM



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