Note
QST, Dec 1966, pp. 106–107.
QST, Feb 1967, p. 135.
QST, Feb 1968, p. 117.
Henry Radio’s 2K-2 improved upon the 2K by adding an SWR bridge and changing the tube rectifiers to solid-state devices. The operating specs remained the same. The power supply was contained in the floor-standing console cabinet.