Quote:
Originally Posted by init4fun
I have a 19-K which is the same from the RF amp right up to the 6SF5 first audio and phase inverter tubes , but having two 6F6 outputs rather than the four 6K6 yours has , and the 19K has the smaller 5Y3 rather than the beefier 5U4 of your 111-K . Gotta feed those two extra 6K6s and the 6U5 eye 
Anyway , here's some shots from when I restuffed the power supply capacitor , your gonna like the big booming bass your 111-K has if it's anything like my 19-K . |
In your 19K, they're running the 6F6's very conservatively, using lower voltage for the plates and screens. It's rated only 5.5 watts max power output.
In the 111K, they're running the four 6K6's with 50 volts higher, plate and screen voltage and the rated power output is 12 watts max.
The output tubes are drawing more current, so it needs a 5U4. A bit more booming base.
Both are still real nice radios.