Alpha 77, 77D, 77S, 77DX, 77SX

Object/Artifact

-

Radio Alpha

77D: Image: hamandhifi.com
77D

Image: hamandhifi.com

Name/Title

Alpha 77, 77D, 77S, 77DX, 77SX

Description

2 KW HF Linear Amplifier

Category

Amplifier, HF

Made/Created

Manufacturer

Ehrhorn Technological Operations Inc

Date made

1972 - 1978

Valuations

Value

$1,795.00

General Notes

Note

QST, Oct 1972, p. 174. QST, Jun 1973, p. 5. (good photo) 77D QST, Jun 1975, p. 115. $2695 QST, Sep 1975, p. 119. (a few details) QST, Jan 1976, p. 98. 77S QST, Jan 1978, p. 159. $3895 date unknown 77DX, 77SX QST, Feb 1979, p. 142 This is the first reference I saw, but they had probably were released earlier.