The early 350 uses the 117-C power supply with the 3x5, 3.2 ohm, 3W communications speaker. this offers a very nice 300hz to 3000hz audio range. It significantly reduces any crackle and hiss to a faint woosh.

SSB Transceiver 350 Amat TRX Swan Electronics, Oceanside, CA, build 1965, 5 pictures, 4 schematics, 15 tubes, 2 semiconductors, United States of America

Model 117-C Model 412 Model VX-1 AC power supply with built-in speaker 12 VDC power supply Plug-in VOX unit

A 350 watt transciver covering 80 through 10 meters. Fun to use. Time Owned: more than 12 months. The Swan 350C is an interesting radio to use. I have had it long enough to make over 200 contacts with it so far.

Swan 350B single sideband transceiver: covers amateur bands 80, 40, 20, 15, 10 m, analog dial with 25 kHz crystal calibrator. P out SSB 100 W PEP, CW 70 W. Single conversion receiver with product detector for SSB reception.

View and Download Swan 350 instruction manual online.

Back to Swan/Cubic Next HF transceiver Last modified 2023-10-08 Swan/Cubic 350B SPECIFICATIONS. GENERAL: Type: Amateur HF transceiver: Frequency range: 10-80 m Tuning steps: Analog / continuous: Frequency stability: ±? ppm: Mode: AM / SSB / CW: Channels / memory management: Repeater shift / offset: No: Power supply:

The Swan (Cubic) 350C is a 10-80 m transceiver. Maximum RF output is 200 W. Requires a separate PSU for power.

I have scanned the manual of the 350B en you can download it here. It is partialy in Microsoft Word Format and partialy in GIF Format. Seperate you can download the electrical diagram of the 350A Model and some High Resolution GIF's of the inside of the transceiver.

Swan 350D single sideband transceiver: covers amateur bands 80, 40, 20, 15, 10 m, digital frequency display. P out SSB 115 W PEP, CW 90 W. Single conversion receiver with product detector for SSB reception.