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Last modified 2022-07-20

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Kenwood TS-870S

A picture of Kenwood TS-870S

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: TX: 10-160 m + WARC
RX: 0.1-30 MHz
Tuning steps:1 / 10 / 100 Hz
1 / 5 / 10 / 100 / 500 KHz
1 MHz
Frequency stability:10 ppm @ -10 to +50C (14 to 122F)
0.5 ppm with optional SO-2
Mode:AM / FM / SSB / CW / FSK
Channels / memory management: 99 regular
1 scan limit pair
5 quick memory
RAM storage with lithium battery backup
Repeater shift / offset:No dedicated. Use VFO A/B split instead
Power supply:13.8 VDC 15% (6-pin Molex)
Current drain / power consumption:RX: 2 A
TX: Max 20.5 A
Antenna impedance / connector:50 ohm (20-150 ohm with ATU) / Two SO-239
Dimensions (W*H*D):330*120*334 mm (13*4.72*13.1")
Weight:11.5 Kg (25 lb)
Other features:CTCSS/PL. Built-in memory keyer and ATU. IF-DSP.




RECEIVER SECTION
Receiver system: Quadruple conversion superheterodyne
1st IF: 73.05 MHz
2nd IF: 8.83 MHz
3rd IF: 455 KHz
4th IF: 11.308 KHz
Sensitivity: SSB/CW/FSK:
0.1-0.5 MHz: <1 uV
0.5-1.705 MHz: 4 uV
1.705-30 MHz: 0.13 uV
FM (12 dB SINAD)
28-30 MHz: 0.25 uV
Selectivity: AM, Lo 100 Hz, Hi 4000 Hz:
9 KHz (-6 dB), 12 KHz (-60 dB)
FM, width 14 KHz:
14 KHz (-6 dB), 18 KHz (-60 dB)
SSB, Lo 300 Hz, Hi 2600 Hz:
2.3 KHz (-6 dB), 3.3 KHz (-60 dB)
CW, width 200 Hz:
200 Hz (-6 dB), 450 Hz (-60 dB)
FSK, width 500 Hz:
500 Hz (-6 dB), 1 KHz (-60 dB)
Image rejection:1.8-30 MHz 80 dB
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:
AM:25 W
FM:100 W
SSB (PEP):100 W
CW/FSK:100 W
Modulation system: AM: Low level
FM: Reactance
SSB: Balanced
Max FM deviation (Factory set):Wide: 5 KHz
Narrow: 2.5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1995-2004 (Discontinued)
Additional info: New price 1995 in Sweden: SEK 28828:-
New price 1996 in Sweden: SEK 22500:-
Related documents:User manual (2.7 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AT-300
DRU-3
HS-5
HS-6
IF-232C
LF-30A
MC_43S
MC-60A
MC-80
MC-85
MC-90
PC-1A
PG-2Z
PS-52
SM-230
SO-2
SP-31
SW-2100
VS-2
External automatic antenna tuner
Digital recording unit
Deluxe headphones
Small headphones
Interface unit
Low-pass filter
Standard hand microphone with up/down buttons
Deluxe desk microphone
Desk microphone
Multi-function desk microphone
DSP-compatible desk microphone
Phone patch controller
DC cable
Heavy duty PSU. 13.8 VDC, 22.5 A
Station monitor
TCXO unit. 20 MHz. 0.5 ppm
External speaker
SWR/Power meter
Voice synthesizer unit
A rear picture of Kenwood TS-870S