Amplidyne 221

Object/Artifact

-

Radio Alpha

Model 221 (right) with model 621 (center) and mode 126. Image: 73, Dec 1963

Model 221 (right) with model 621 (center) and mode 126. Image: 73, Dec 1963

Name/Title

Amplidyne 221

Description

220 MHz Transmitting Converter

Category

Transmitting Converter

Made/Created

Manufacturer

Amplidayne Labs

Date made

1963

Dimensions

Height

5-1/2 in

Width

4 in

Depth

10 in

Valuations

Value

$72.50

General Notes

Note

CQ, Oct 1963, p. 38. QST, Dec 1964, p. 160. A 220 MHz transmitting adapter that is used with the model 621 transmitter or any unit which will supply modulation, power, and 50–55 MHz. Input power is 18 watts CW or 15 watts on AM.