In article ,
Tim Wescott wrote:
If you're serious about this, get this book. It'll provide hours of
drooling entertainment if you're just a fanboy, so it'll still be worth
it:
https://www.tubesandmore.com/product...be-manual-tt-5
Scan available for free at
http://w5jgv.com/downloads/RCA-TT-5.PDF
(although the price of the Tubes And More reprint is an excellent one!)
The application tables for AF power amplifier and modulator service
start on page 88. The 7650 and 833A seem to be the brutes of the lot.