Note
QST, Feb 1974, p. 5.
QST, Apr 1974, p. 5. (a few details)
QST, Nov 1974, p. 5. (short description)
QST, Sep 1975, p. 119. (a few details)
QST, Oct 1975, p. 133. (some discussion)
QST, Apr 1976, p. 99.
374A
QST, Sep 1978, p. 115.
QST, Mar 1980, p. 100.
QST, Mar 1981, p. 85.
QST, Jan 1982, p, 103.
The Alpha 374 amplifier was rated for continuous service at maximum legal power. It offered instant band change on 80–10 meters with no tune-up necessary. The amplifier used three 8874 tubes.