08-12-2014, 04:41 PM
Still plodding through the mysteries of this radio...!!! I found something curious when trying to input an IF frequency of 460. I used the control grid of the 78 tube to send the signal through. Still confused about where to attach the SG lead??? No signal was heard...but I did hear a quiet signal at around a setting of 380 on band A of my Eico 324. What would cause a shift of the IF frequency??? I did substitute an AES oscillator for the original and it is working.