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Last modified 2021-05-27

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Sommerkamp TS-789DX

A picture of Sommerkamp TS-789DX


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26-30 MHz
Channels/tuning steps:100 / 10 / 1 KHz, 100 Hz
Mode:AM / FM / SSB / CW
Frequency control:PLL
Frequency stability:?%
Power supply:11-14.5 VDC (3-pin connector)
Current drain/power consumption:RX: ? mA
TX: ? A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*235 mm (7.9*2.4*9.3")
Weight:1.95 Kg (4.3 lb)
Other features: 10 memories. Scanning. PA. NB. ANL. Roger beep.
SWR meter. Split operation for repeater access.

Receiver system:Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:AM: 0.5 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB/CW: 0.3 uV (10 dB S+N/N)
Selectivity:AM/FM: 6 KHz (-6 dB), 18 KHz (-60 dB)
SSB/CW: 4.2 KHz (-6 dB), 8.6 KHz (-60 dB)
Image rejection:>65 dB
AF output power/speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 4 to 8 ohm

RF output power:AM/FM/CW Hi: 10 W, Lo: 5 W
SSB Hi: 35 W (PEP), Lo: 15 W (PEP)
Modulation system:
Max FM deviation:5 KHz
Spurious emissions:Less than -50 dB
Microphone impedance/connector:? ohm / 6-pin
Microphone input sensitivity:? mV

Manufactured:Taiwan, 198x-198x (Discontinued)
Main PCB:EPT630011Z by Ranger
Sub PCBs:
Additional info:
Related documents:
Sams Photofact #:None
Modifications and fixes:
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An inside picture of Sommerkamp TS-789DX
A rear picture of Sommerkamp TS-789DX