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Last modified 2023-01-21

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Collins KWM-2A

A picture of Collins KWM-2A

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range:10-80 m in 2*fourteen 200 KHz segments
Tuning steps:Continuous
Frequency stability:? ppm
Mode:SSB / CW
Channels / memory management:None
Repeater shift / offset:No
Power supply:External PSU
Current drain / power consumption:RX: 235 W
TX: 475 W
Antenna impedance / connector:50 ohm nominal (25-100 ohm) / Two phono (RCA)
Dimensions (W*H*D):375*197*356 mm (14.75*7.75*14")
Weight:8.35 Kg (18.4 lb)
Other features: 100 KHz XTAL-calibrator. VOX. This version has MARS capability
with an extra board for 14 crystals outside the ham bands.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 2.955-3.155 MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (10 dB S/N)
Selectivity:2.1 KHz (-6 dB)
4.2 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:1 W at ?% distortion / 4 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Max pwr
SSB (PEP):~100 W (175 W input)
CW:~100 W (160 W DC input)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -40 dB
Microphone impedance/connector:Hi-Z / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 1959-198x (Discontinued)
Additional info:
Related documents:User manual (22 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
136B-2
302C-3
312B-3
312B-4
312B-5
351D-2
351E-4
399C-1
440E-1
516E-2
516F-1
516F-2
MP-1
Noise blanker
Directional wattmeter
Speaker
Station control
Station control + external VFO
Mobile mount
Mounting plate
External VFO
Mobile power cable
Mobile power supply. 24-28 VDC source
AC power supply
AC power supply
Mobile power supply. 12-14 VDC source