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Last modified 2023-12-28

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Kenwood TS-950SDX

A picture of Kenwood TS-950SDX

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-160 m + WARC
RX: 0.1-30 MHz
Tuning steps:1 / 10 / 100 Hz
10 KHz
1 MHz
Frequency stability:0.5 ppm @ -10 to +50C (14 to 122F)
Mode:AM / FM / SSB / CW / FSK
Channels / memory management: 90 regular with split
10 Programmable VFO tuning limit
RAM storage with lithium battery backup
Repeater shift / offset:No dedicated. Use VFO A/B split or memory split instead
Power supply:Mains: 120, 220, 230, 240 VAC (Depending on market)
Current drain / power consumption:RX: 110 W (No signal)
TX: Max 700 W
Antenna impedance / connector:50 ohm (20-150 ohm with ATU) / SO-239
Dimensions (W*H*D):409*154*446 mm (16.1*6.1*17.6"), projections included
Weight:23 Kg (50.6 lb)
Other features:Built-in keyer and auto AT. RS-232C. CTCSS/PL encoder. DSP. Twin RX




RECEIVER SECTION
Receiver system: Main RX: Triple conversion superheterodyne (FM)
1st IF: 73.05 MHz
2nd IF: 8.83 MHz
3rd IF: 455 KHz
Main RX: Quadruple conversion superheterodyne (AM/SSB/CW/FSK)
1st IF: 73.05 MHz
2nd IF: 8.83 MHz
3rd IF: 455 KHz
4th IF: 100 KHz
Sub RX: Double conversion superheterodyne (SSB/CW/FSK)
1st IF: 40.055 MHz
2nd IF: 10.695 MHz
Sensitivity: AM (10 dB S+N/N)
0.1-0.15 MHz: 25 uV
0.15-0.49 MHz: 10 uV
0.49-1.62 MHz: 32 uV
1.62-30 MHz: 2 uV
FM (12 dB SINAD)
28-30 MHz: 0.5 uV
SSB/CW (10 dB S+N/N)
0.1-0.15 MHz: 2.5 uV
0.15-0.49 MHz: 1 uV
0.49-1.62 MHz: 4 uV
1.62.30 MHz: 0.2 uV
Selectivity: AM (Wide)
6 KHz (-6 dB)
15 KHz (-50 dB)
AM (Narrow)
2.4 KHz (-6 dB)
3.4 KHz (-60 dB)
FM
12 KHz (-6 dB)
24 KHz (-60 dB)
SSB
2.4 KHz (-6 dB)
3.4 KHz (-60 dB)
CW (Wide)
400 Hz (-6 dB)
900 Hz (-60 dB)
FSK
2.4 KHz (-6 dB)
3.4 KHz (-60 dB)
Image rejection:80 dB
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:

12-160 m10 m
AM:10-40 W10-40 W
FM:20-150 W20-110 W
SSB (PEP):20-150 W20-110 W
CW/FSK:20-150 W20-110 W
Modulation system: AM: Low level modulation
FM: Reactance modulation
SSB: Balanced modulation
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -40 dB
Microphone impedance / connector:250-600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1992-199x (Discontinued)
Additional info:New price 1995 in Sweden: SEK 54995:-
Related documents: User manual (2.7 MB)
Service manual (18.3 MB)
Modifications and fixes:
Reviews:
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Hand microphone with up/down switches
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Desk microphone with preamp
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Station monitor
External speaker
HF linear amplifier, 1 KW
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CW filter, 250 Hz (IF: 455 KHz)
CW filter, 270 Hz (IF: 8.83 MHz)
SSB filter, 1.8 KHz (IF: 8.83 MHz)