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Last modified 2022-07-19

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Kenwood TS-670

A picture of Kenwood TS-670

SPECIFICATIONS

GENERAL
Type:Amateur HF/VHF transceiver
Frequency range: 6-40 m in four bands
40 m:   7.0-7.1 MHz
15 m:   21.0-21.45 MHz
10 m:   28.0-29.7 MHz
6 m:   50-54 MHz (AM only)
Tuning steps:10 / 100 Hz, 10 KHz
Frequency stability: Within 300 Hz up to 60 minutes after power on
Within 30 Hz for any 30 minute period thereafter
Mode:AM / SSB / CW (FM option)
Channels / memory management: 80 regular
RAM storage with lithium battery backup
Repeater shift / offset:No dedicated. Use VFO A/B split instead
Power supply:12-16 VDC
Current drain / power consumption:RX: 1.1 A (No signal)
TX: Max 4.2 A
Antenna impedance / connector:50 ohm / Two SO-239
Dimensions (W*H*D):270*95*260 mm (10.63*3.74*10.24")
Weight:5.4 Kg (11.9 lb)
Other features:NB. IF shift.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (AM/SSB/CW)
IF: 8.83 MHz
Double conversion superheterodyne (FM)
1st IF: 8.83 MHz
2nd IF: 455 KHz
Sensitivity: AM: 2 uV (10 dB S/N)
FM: 0.4 uV (12 dB SINAD)
SSB/CW: 0.25 uV (10 dB S/N)
Selectivity: AM: 6 KHz (-6 dB), 11 KHz (-60 dB), with YK-88A installed
FM: 12 KHz (-6 dB), 22 KHz (-60 dB), with FM-430 installed)
SSB/CW: 2.5 KHz (-6 dB), 6 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8-16 ohm




TRANSMITTER SECTION
RF output power:
AM:4 W
FM:10 W  (With FM-430 installed)
SSB (PEP):10 W
CW (DC):10 W
Modulation system: AM: Low level modulation
FM: Variable reactance direct shift
SSB: Balanced modulation
Max FM deviation (Factory set):5 KHz (With FM-430 option)
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, 198x-198x (Discontinued)
Additional info:
Related documents: Service manual (22.8 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
FM-430
GC-10
HS-4
HS-5
HS-6
HS-7
MB-430
MC-42S
MC-55
MC-60A
MC-80
MC-85
PG-3A
PS-20
SP-40
SP-50
SP-430
VOX-4
VS-1
YK-88A
YK-88C
YK-88CN
FM unit
General coverage RX unit (0.5-30 MHz)
Headphones
Communications headphones
Communications headphones
Micro headphones
Mounting bracket
Hand microphone with up/down buttons
Mobile microphone
Desk microphone with up/down buttons
Deluxe desk microphone with up/down buttons
Noise filter
Power supply. 13.8 VDC, 4.5 A
Compact mobile speaker
Mobile speaker
Desk microphone
External speaker
External VOX unit
Voice synthesizer
AM filter. 6 KHz (-6 dB). IF: 8.8315 MHz
CW filter. 500 Hz (-6 dB). IF: 8.83 MHz
CW filter. 270 Hz (-6 dB). IF: 8.83 MHz