Just picked up a 1930s Battery operated Coronado

[old_coot88]

Originally Posted by vortalexfan

...I hear the Coronado's Oscillator on the Transistor radio is at 640 AM on the dial or very close to that spot anyways and when I go up the dial the oscillator noise kind of dies off the higher up the dial the tuner goes (on both radios).

So I'm guessing my oscillator is working but not correctly...

The osc is not running, period. Just a note on basic superhet practice (for convenience, say the IF is 460): When the radio is set up and aligned correctly, the osc will always track 460 on the high side of the received signal. So whatever station is tuned in, its signal will 'beat', or heterodyne, against the osc, generating the Intermediate Frequency of 460 khz, which is then sent downstream, amplified and detected.

Um.. what does O.L. stand for?