QST, Aug 1967, p. 103.
QST, Dec 1969, p. 116.
QST, Apr 1974, p. 127.
Matching power supply is $235.00.
This is probably the amplifier Swan referred to as the "Powerhouse Mark II" in a QST ad in the Jan 1970 issue, page 121.
"Last chance" QST, Feb 1979, p. 166.
