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Last modified 2023-12-28

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Kenwood TS-940S

A picture of Kenwood TS-940S

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-160 m + WARC
RX: 0.15-30 MHz
Tuning steps:Down to 10 Hz
Frequency stability:10 ppm @ -10 to +50C (14 to 122F)
Mode:AM / FM / SSB / CW / FSK
Channels / memory management: 40 regular in 4 banks
4 program scan pairs
RAM storage with battery backup
Repeater shift / offset:No dedicated, use VFO A/B split instead
Power supply:Mains: 120 / 220 / 240 VAC (3-pin IEC C14 connector)
Current drain / power consumption:RX: 80 W
TX: Max 510 W
Antenna impedance / connector:50 ohm (20-150 ohm with AT-940) / SO-239
Dimensions (W*H*D):401*141*350 mm (15.79*5.55*13.78")
Weight:18.5 Kg (40.79 lb)
20 Kg (44.1 lb), with AT-940
Other features: Dual Noise Blankers. VOX. Attenuator. 24 hr clock and timer. Notch filter.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne (FM)
1st IF: 45.05 MHz
2nd IF: 8.83 MHz
3rd IF: 455 KHz
Quadruple conversion superheterodyne (AM/SSB/CW/FSK)
1st IF: 45.05 MHz
2nd IF: 8.83 MHz
3rd IF: 455 KHz
4th IF: 100 KHz
Sensitivity: AM (10 dB S/N)
0.15-0.5 MHz: 10 uV
0.5-1.8 MHz: ? uV
1.8-30 MHz: 2 uV
FM (12 dB SINAD)
0.5-1.8 MHz: 32 uV
1.8-30 MHz: 0.5 uV
SSB/CW/FSK (10 dB S/N)
0.15-0.5 MHz: 1 uV
0.5-1.8 MHz: 4 uV
1.8-30 MHz: 0.2 uV
Selectivity: AM-Narrow
2.4 KHz (-6 dB)
3.6 KHz (-60 dB)
AM-Wide
6 KHz (-6 dB)
15 KHz (-50 dB)
FM
12 KHz (-6 dB)
2 KHz (-60 dB)
SSB/CW/FSK
2.4 KHz (-6 dB)
3.6 KHz (-60 dB)
Image rejection:80 dB (1.8-30 MHz)
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:
AM:~60 W (140 W input)
FM:~100 W (250 W input)
SSB (PEP):~100 W (250 W input)
CW/FSK:~100 W (250 W input)

100% duty cycle
Modulation system: AM: Low level
FM: Reactance
SSB: Balanced
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:500 ohm to 50 Kohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1985-19xx (Discontinued)
Additional info:New price 1989 in Sweden: SEK 26250:-
Related documents: User manual (6.3 MB)
Service manual (27.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AT-940
HS-4
HS-5
HS-6
HS-7
MC-42S
MC-60A
MC-80
MC-85
PC-1A
SM-220
SO-1
SP-940
VS-1
YG-455C-1
YG-455CN-1
YK-88A-1
YK-88C-1
Internal automatic antenna tuner
Communications headphones
Light-weight open air communications headphones
Deluxe communications headphones
Micro headphones
Hand microphone
Desk microphone
Desk microphone
Desk microphone
Phone patch
Station monitor
TXCO
External speaker
Voice synthesizer
500 Hz CW filter (455 KHz IF)
250 Hz CW filter (455 KHz IF)
6 KHz AM filter (8.83 MHz IF)
500 Hz CW filter (8.83 MHz IF)