The Class A-B Push-Pull Recording System

C. Hawley Cartwright, W. S. Thompson

After an explanation of the term Class A-B and a brief specification of such a recording system, the general requirements for the operation operation Class A-B system are given and illustrated. — Differences between the operation of push-pull photocells and push-pull vacuum tubes are pointed out and explained, and a discussion of the relative advantages of Class A, Class A-B, and Class B push-pull tracks is given.

Print ISSN
Published
1939-09
Content type
Original Research
DOI
10.5594/J11955