Note
QST, Nov 1966, pp. 141, 176.
QST, Dec 1966, p. 139. (good photo)
The unit in the photo clearly reads SR-700A, but text in the ad refers to SR-700E.
Photo of "E" version: QST, Dec 1966, p. 137.
Made in Japan and sold through Interstar in Brooklyn, New York.
See QST, Nov 1966, p. 141.
QST, Jul 1967, p. 131.
QST, Feb 1968, p. 160.