How do glass ultrasonic acoustic delay lines work? The kind used in PAL video recorders.
This is Part 3 of the Sony CCD Video 8 Camcorder Teardown.
PART 1 HERE
PART 2 HERE
Service Manual is HERE
Forum Topic HERE
Dave does basic back-of-the-envelope thermodynamic calculations to prove the Fontus Airo & Ryde self filling ...