An Emerson with a 19AP4??

[jr_tech]

Originally Posted by Kamakiri

Goes to pin 4.

Found it! looks like it is R-64 (not used on all models) 30K/5Watt that is shown below the audio output transformer. It makes connection to the +25Volt source *instead* of a direct wire. It appears to me that the resistor and focus coil and the audio output stage form a crude divider network. The focus is actually set by the pot R-2 that varies the current drawn by the audio output tube.... Good Grief!!!

jr