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Last modified 2022-01-27

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Sommerkamp TS-788DX

A picture of Sommerkamp TS-788DX


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26-30 MHz
Channels / tuning steps:100 Hz, 1 / 10 / 100 KHz
Mode:AM / FM / SSB / CW
Frequency control:PLL
Frequency stability:?%
Clarifier or Delta tune:? KHz
Power supply:11-16 VDC (Fixed power cord)
Current drain / power consumption:RX: ? mA
TX: Max 20 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):156*61*290 mm (6.14*2.4*11.42")
Weight:2.7 Kg (5.95 lb)
Other features:NB. RIT. SWR-meter.

Receiver system: Single conversion superheterodyne
IF: 10.7 MHz
Sensitivity: AM/FM: 0.75 uV (10 d S/N)
SSB: 0.25 uV (10 dB S/N)
Selectivity: AM: 6 KHz (-6 dB)
SSB: 2.4 KHz (-6 dB), 4.8 KHz (-60 dB)
Image rejection:>50 dB
AF output power / speaker:2.5 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 4-8 ohm

RF output power: Hi: 100 W (25 W AM carrier)
Lo: 10 W (5 W AM carrier)
Modulation system:
FM deviation (Factory set):1.5 KHz
Spurious emissions:Better than -50 dB
Microphone impedance / connector:600 ohm to 10 Kohm / 8-pin
Microphone input level:? mV

Manufactured:Japan, 1980-1981 (Discontinued)
Main PCB:
Sub PCBs:
Additional info: The microphone is switchable for use as a speaker-mike, which is very useful
in a noisy vehicle. The DX was made in three versions, where version three was
named DXCC. Version two was basically the same as version one except for the
lack of scanning speed control and attenuator and an added frequency calibration
trimmer on the front panel.
These versions were the third, fourth and fifth "Coffeewarmer".
Related documents: RF final: MRF454
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
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A rear picture of Sommerkamp TS-788DX
An inside top picture of Sommerkamp TS-788DX
An inside bottom picture of Sommerkamp TS-788DX