general-el: Power tube S-22
ID: 422974
This article refers to the model: GE Junior (M) S-22 tombstone (General Electric Co. (GE); Bridgeport CT, Syracuse NY)
? general-el: Power tube S-22
30.Aug.17 19:04
67
Hello, on my S-22 chassis on the paper stamped on the back side i read, back of 80 tube, two TUBE RCA UY247, there are missing, while looking the schematics there are two 45 tubes, what are the right tube i va to insert?
regards,Mauro
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general-el: Power tube S-22
31.Aug.17 21:14
67 from 1352
Hello Mauro,
if you check the data here, you will see that the 247 is a penthode with the same heater voltage as the 45. So this may be a later upgrade. A look at the socket will show which it is!
Regards,
Steffen
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