Kenwood TM-631A

Mobile VHF Transceiver

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General characteristics

HAM bands
?
Frequency stability
?
Tuning steps
?

Receiver

RX-range
136-174 / 215-239 MHz
Modulations
FM  
Sensitivity
?
Selectivity
?
Filters
?
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

TX-range
144-148 / 220-225 MHz
Modulations
FM  
RF-Output
High: 50/25 W, Low: 5/5 W

Connections

Antenna
-
Impedance
50 Ω
Other
-

Electrical

Power requirements
13.8V DC
Current drain RX
?
TX
?

Physical

Manufactured
Between 199x and 199x
Dimensions (w×h×d)
?
Weight
?
Form factor
Mobile

Other features

Memories
30 channels in 1 bank(s)
Usage
Amateur / Ham radio operators
Features + options
CTCSS. Twin RX
Accessories
?
MPN
KENWOOD-TM-000631A

Manuals, diagrams and brochures

Kenwood TM-631 Block Diagram submitted by RigReference
Kenwood TM-631 Schematic Diagram 1 submitted by RigReference
Kenwood TM-631 Schematic Diagram 2 submitted by RigReference
Kenwood TM-631 Schematic Diagram 3 submitted by RigReference
Kenwood TM-631 / TM-731 Instruction Manual submitted by RigReference
 
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Reviews & stories

Great classic 2M / 222MHz dual bander!

Kenwood TM-631A, Mobile VHF Transceiver

A friend of mine alerted me to this rig for sale, and after great luck with other 222MHz Kenwood rigs, I bought it. Glad that I did. Nothing bad to say about this rig at all. Great RX / TX audio quality and great RX sensitivity on both bands. Only fix was to replace Li Memory battery. Only 20 memories per side. Fine for 222MHz, but a bit limiting today for 2M FREQ's, but not a show stopper. Has all CTCSS FREQ's necessary for repeater work. (Not all mid to late 1980's rigs had this.) This rig is a keeper if you have 222MHz in your area, but is still a great 2M performer as well.

Written by rreh917 on Dec 23, 2016

Overall
 
Performance
Build quality
Features
User friendliness
Value for money
Aquired
Good condition in 2009
USD 300.00

New and second-hand prices

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used Kenwood TM-631A. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic data, today's second-hand price of the Kenwood TM-631A is around:

  • USD 95.00 ~ USD 63.00
Year Historic price Condition Submitted by
2016 USD 67.00 Used / Poor eBay
2009 USD 300.00 Used / Good rreh917

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