Morrow MB-565

Object/Artifact

-

Radio Alpha

Image: CQ, Nov 1957

Image: CQ, Nov 1957

Name/Title

Morrow MB-565

Description

HF Transmitter

Category

Transmitter, HF

Made/Created

Manufacturer

Morrow (Moradco)

Date made

1957 - 1959

General Notes

Note

CQ, Nov 1957, p. 169. QST, Feb 1958, p . 125. QST, May 1958, p. 147. QST, Mar 1959, p. 129. Morrow’s mobile pair were matched in size and appearance. Each covered the 80–10 meter bands. The MB-6 receiver was a 13-tube, double-conversion set with built-in noise limiter and squelch circuits. Power input to the MB-565 transmitter’s 6146 final was 60 watts. High-level plate modulation was used on AM phone. All stages except the final were gang-tuned and tracked with the exciter. An antenna changeover relay was incorporated into the transmitter.