Note
QST, Aug 1966, p. 7.
The SBX-9 was a 9 MHz filter-type SSB generator sold by the International Crystal Mfg. Co. It provided sufficient drive for a transmit mixer such as ICM’s SBA-50. The SBX-9 came equipped with upper and lower sideband crystals.
Specifications
– Exciter-Driver: 9mc
– Filter: Four crystal half lattice
– Carrier Suppression 45db min.
– Unwanted SB Atten. 40db min.
– Output: Provides voltage drive for mixer such as SBA-50
– Metering: RF output for balance adjust. Two sensitivity ranges available with front panel switch.
Relay included for push-to-talk operation. Crystals for upper and lower sideband included. Requires high impedance microphone. For operation on 117 vac 60 cycle power.
Tube Lineup
– 6BH6 Oscillator
– 12AX7 Audio
– 7360 Bal Modulator
– 6BA6 RF Amplifier
References
CQ, Nov 1966, p. 112.
Review. 73, Feb 1967, p. 100.