The PHILCO Phorum

Full Version: Philco model 20 - tube alignment
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Hello- I just inherited a Philco model 20. It is missing the 3 tubes that run along the back edge of the chassis. I know they are; type 80, 27, 71A. Can someone tell me what positions they go into. Thanks, Phil
See the TUBE MANUAL section of my site and click on the Tube Socket Layout pdfs for the Model 20.