SB-10 SINGLE SIDE BAND ADAPTER SPECIFICATIONS Power Output: 10 watts, P. E. P. (peak envelope power) Excitation Requirements: Less than 3 watts of RF at the fundamental operating frequency required. Output: Pi network coupling to low impedance coaxial line. Input: Low impedance for coaxial line feed. Band Coverage: 80, 40, 20, 15, 10 meters. Circuitry: Phasing method of SSB signal generation is employed with voice control and anti-trip action built into the audio circuit. Tube Complement: 1 - EL84/6BQ5 RF output 1 - 6CL6 RF driver 1 - 12AT7 balanced modulators 1 - 12AX7 speech amplifier 1 - 12AT7 modulator 1 - 12AT7 voice control and anti-trip amplifier 1 - 12AT7 audio driver and relay control 1 - 6AL5 voice control and anti-trip bias rectifier (Data Collected and Verified by KB9JJA 12-4-1997)