The document is downloaded from Amateur Radio Directory website, which contains information about Amateur Radio Directory. The website may provide a directory and information about amateur radio equipment.
The Kenwood TS-790A/TS-790E Instruction Manual provides safety warnings, specifications, installation steps, operation procedures, and maintenance guidance for the all‑mode triband transceiver. It covers both the U.S./general market model (TS‑790A) and the U.K./European model (TS‑790E).
The manual includes detailed sections on antenna connections, grounding, external speaker and microphone hookup, key and control wiring, as well as optional accessories such as voice synthesizers, programmable tone decoders, and interface adapters.
| Frequency range (2 m band) | 144–148 MHz |
|---|---|
| Frequency range (70 cm band) | 430–450 MHz |
| Frequency range (23 cm band, optional) | 1240–1300 MHz |
| Maximum output power (LSB‑USB) | 35 W |
| Weight | 9.2 kg (20.2 lb) |
| Operating temperature | -10 °C to +50 °C |
The transceiver needs 13.8 VDC with a 15 % tolerance and the PS‑31 power supply is recommended for fixed‑station operation.
Connect an external speaker such as the SP‑31 to the EXT SP jack on the rear panel; any 8‑ohm permanent‑magnet speaker with a 3.5 mm plug will work.
The antenna input impedance is 50 ohms.