Note
QST, Oct 1959, p. 1.
QST, Mar 1965 p. 103.
Single conversion superheterodyne circuit. Features include BFO, AVC, switchable ANL, sensitivity, mute, calibrated bandspread, built-in speaker, tone control. Main tuning is the circular dial at left. The slide rule dial is the bandspread.
The S-109 is identical but is an AC-DC version.
The SX-110 is the same radio with a few additional features. See entry for details.
Coverage: 540 kHz to 34 MHz
IF: 455 kHz
Modes: AM, CW
Built-in speaker
Audio output: 2 watts, 3.2 or 500 Ω
No S-meter
Power: S-108 120 VAC, S-109 120 volts AC-DC
Tubes (8 total): (1) 5Y3GT, (1) 6SA7, (2) 6SK7, (1) 6SG7, (1) 6SC7, (1) 6K6GT, (1) 6H6