Note
Radio, Mar 1937, p. 88.
Radio News, Mar 1927, p. 549. (a few specs)
QST, Feb 1938, p. 122.
Service, Aug 1938, back cover.
Radio Craft, Oct 1938, p. 226.
QST, May 1940, p. 103.
Specifications
Tubes: (1) RCA-902 (2-inch) OR (1) 913 (1-inch), (1) RCA-885, (2) RCA-6C6, (1) RCA-80
Sensitivity (2 inch): 0.5 volts (RMS) per inch.
Sensitivity (1 imch): 1.75 volts (RMS) per inch.
Amplifier Range and Gain: Flat 20-15,000 Hz, gain 50.
Timing Axis (Horizontal Sweep): 30-10,000 Hz.
Power Consumption: 30 watts.
References
Brief description. Radio News, Sep 1937, p. 139.