Audio is recorded off the air with a mic into computer sound card, tuning slowly across the FM and AM bands from low to high.
This is a 1950’s Zenith Tube radio. It is a Superheterodyne with two IF (intermediate frequency stage’s). It has 7 tube, an RF preamp tube, a oscillator/mixer tube, two IF amp tubes, limiter tube (for FM only), a discriminator/detector/preamp tube and Audio amp final.
Duration : 0:10:2
[youtube dYp4HhZw40o]
February 8th, 2010 at 6:44 pm
GMC, love your work …
GMC, love your work. This is a great video that helps the novice understand the workings of a radio.
February 8th, 2010 at 6:44 pm
That looks JUST …
That looks JUST LIKE the radio I had when I was a kid! Thank you, gmc! Fav’d!