Collins KWM-2

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Art Collins founded Collins Radio Company in 1933 in Cedar Rapids, Iowa for the purpose of designing and producing both shortwave and AM broadcast radio equipment and equipment.

The company introduced their first amateur radio receiver, the 75A-1 around 1947. This unit achieved excellent stability due to high build quality and the use of a permeability tuned oscillator (PTO) in its second conversion stage. It was one of the few dual-conversion superheterodyne receivers manufactured at that time and was designed to receive only the amateur bands.

The 75A amateur line was continued throughout the early 50s, ending with the 75A-4, released in 1955. The Collins mechanical filter was introduced in the 75A-3, and the 75A-4 was one of the first receivers marketed specifically as a single sideband receiver.

In 1958 the 75A series was replaced with the much smaller 75S series, part of the S/Line. These top-end receivers featured mechanical filters, excellent stability and very accurate frequency readout.

With the introduction of the S/Line in 1958, Collins moved to an integrated equipment system, making them the first manufacturer to take this approach. Collins was also introduced a compact HF transceiver, the KWM-1, the year before. These two innovations put Collins ahead of its competition and set the stage for other amateur radio equipment makers and the next generation of HF radios.

In 1978, the S/Line came to an end after a two decade run. The KWM-380 transceiver was introduced the next year – innovative in its use of transistors and digital technology, and its styling. It was Collins’ final entry in the amateur radio market until it was discontinued in the mid-1980s.

The Collins Radio Company was purchased by Rockwell International in 1973. In 2001 the avionics division of Rockwell International was spun off to form the current Rockwell Collins, Inc., retaining its name. Rockwell Collins serves the defense and commercial avionics industries and no longer markets receivers to the public. The company today employs over 19,000 people.

More information on Collins Radio:
Wikipedia reference on Collins Radio
Collins Collectors Association
Virtual Collins Radio Museum

Collins KWM-2 EBay Bargains!

Collins KWM-2A Amateur Ham  Radio Transciever with
Collins KWM-2A Amateur Ham Radio Transciever with
Ends in 11 Hours 15 Minutes 37 Seconds
Current price: $555.00 (53 bids)
Beat-Up Original COLLINS  KWM-2 & KWM-2A  OPER
Beat-Up Original COLLINS KWM-2 & KWM-2A OPER
Ends in 1 Days 13 Hours 53 Minutes 45 Seconds
Current price: $15.95 (0 bids)
Original ROCKWELL COLLINS  KWM-2 & KWM-2A  Tra
Original ROCKWELL COLLINS KWM-2 & KWM-2A Tra
Ends in 1 Days 14 Hours 20 Seconds
Current price: $24.95 (0 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  KWM-2
COMPLETE TUBE KIT FOR COLLINS KWM-2
Ends in 3 Days 6 Hours 25 Minutes 32 Seconds
Current price: $139.00 (287 bids)
Collins KWM-2 Ham Transceiver Complete Tube Replac
Collins KWM-2 Ham Transceiver Complete Tube Replac
Ends in 3 Days 8 Hours 43 Minutes 27 Seconds
Current price: $122.40 (0 bids)
11 PIN CHASSIS MOUNTED CONNECTOR FOR COLLINS KWM-2
11 PIN CHASSIS MOUNTED CONNECTOR FOR COLLINS KWM-2
Ends in 5 Days 11 Hours 48 Minutes 12 Seconds
Current price: $19.99 (27 bids)
Collins KWM-2 Chassis (partially stripped)
Collins KWM-2 Chassis (partially stripped)
Ends in 5 Days 13 Hours 43 Minutes 22 Seconds
Current price: $25.00 (1 bid)
Collins KWM-2/KWM-2A Instruction manual- Premium C
Collins KWM-2/KWM-2A Instruction manual- Premium C
Ends in 5 Days 14 Hours 35 Minutes 24 Seconds
Current price: $27.95 (12 bids)
COLLINS KWM-2 KWM-2A S-LINE HF SSB Original AF Con
COLLINS KWM-2 KWM-2A S-LINE HF SSB Original AF Con
Ends in 6 Days 3 Hours 6 Minutes 44 Seconds
Current price: $25.99 (0 bids)
  TUBE  KIT  FOR  COLLINS  KWM-2  LESS FINALS (2-6
TUBE KIT FOR COLLINS KWM-2 LESS FINALS (2-6
Ends in 6 Days 4 Hours 9 Minutes 5 Seconds
Current price: $99.00 (51 bids)
Collins KWM-2 and KWM-2A manual w/44’ schema
Collins KWM-2 and KWM-2A manual w/44’ schema
Ends in 6 Days 7 Hours 40 Minutes 57 Seconds
Current price: $16.95 (1 bid)
Panel Meter for Collins KWM-2 Transceivers, 32S-x
Panel Meter for Collins KWM-2 Transceivers, 32S-x
Ends in 6 Days 12 Hours 31 Minutes 57 Seconds
Current price: $29.00 (2 bids)
Vintage RE Collins KWM-2A HF SSB tube ham radio
Vintage RE Collins KWM-2A HF SSB tube ham radio
Ends in 6 Days 23 Hours 33 Minutes 34 Seconds
Current price: $16.96 (1 bid)
Collins KWM-2 Service Bulletins Set Of Ten
Collins KWM-2 Service Bulletins Set Of Ten
Ends in 7 Days 11 Hours 16 Minutes 28 Seconds
Current price: $14.95 (0 bids)
WORKING COLLINS KWM2 OAK SWITCH  75S 32S KWM2  PAR
WORKING COLLINS KWM2 OAK SWITCH 75S 32S KWM2 PAR
Ends in 9 Days 8 Hours 43 Minutes 48 Seconds
Current price: $27.00 (3 bids)
Collins KWM-2 80-10 M SSB / CW Transceiver Round E
Collins KWM-2 80-10 M SSB / CW Transceiver Round E
Ends in 10 Days 3 Hours 51 Minutes 41 Seconds
Current price: $1,441.15 (0 bids)
Collins KWM-2 / 2A   DZUS  Receiver Leaf Spring fo
Collins KWM-2 / 2A DZUS Receiver Leaf Spring fo
Ends in 12 Days 8 Hours 9 Minutes 30 Seconds
Current price: $3.99 (50 bids)
Collins KWM-2 KWM-2A External VFO Power Plug  for
Collins KWM-2 KWM-2A External VFO Power Plug for
Ends in 13 Days 16 Hours 31 Minutes 21 Seconds
Current price: $24.95 (0 bids)
COLLINS KWM-2A  Transceiver Vintage RARE KWM2A ROU
COLLINS KWM-2A Transceiver Vintage RARE KWM2A ROU
Ends in 13 Days 17 Hours 35 Minutes 59 Seconds
Current price: $1,588.00 (0 bids)
DX Engineering LC-1-KWM Speech Processor for Colli
DX Engineering LC-1-KWM Speech Processor for Colli
Ends in 15 Days 2 Hours 39 Minutes 54 Seconds
Current price: $306.00 (0 bids)
BUDWIG TF6T-T 8PC COLLINS KWM2 S-LINE RADIO BLACK
BUDWIG TF6T-T 8PC COLLINS KWM2 S-LINE RADIO BLACK
Ends in 17 Days 10 Hours 38 Minutes 14 Seconds
Current price: $9.95 (103 bids)
COLLINS KWM-2 KWM-2A OPERATING & SERVICE MANUA
COLLINS KWM-2 KWM-2A OPERATING & SERVICE MANUA
Ends in 17 Days 11 Hours 38 Minutes 28 Seconds
Current price: $11.95 (18 bids)
6AZ8 Vacuum Tube New Mil Philips/ECG for Collins K
6AZ8 Vacuum Tube New Mil Philips/ECG for Collins K
Ends in 20 Days 2 Hours 5 Minutes 11 Seconds
Current price: $4.19 (874 bids)
Cooling Fan for Collins KWM-2 and S-line Transmitt
Cooling Fan for Collins KWM-2 and S-line Transmitt
Ends in 20 Days 3 Hours 54 Minutes 12 Seconds
Current price: $45.00 (7 bids)
COLLINS KWM-2 KWM-2A S-LINE HF SSB Diode 1N1490 Co
COLLINS KWM-2 KWM-2A S-LINE HF SSB Diode 1N1490 Co
Ends in 20 Days 14 Hours 17 Minutes 54 Seconds
Current price: $33.00 (0 bids)
Collins KWM-2, KWM-2A Instruction Manual on 32LB P
Collins KWM-2, KWM-2A Instruction Manual on 32LB P
Ends in 20 Days 17 Hours 5 Minutes 49 Seconds
Current price: $24.95 (8 bids)
Collins KWM-2 Ham Transceiver Winged Emblem for Pa
Collins KWM-2 Ham Transceiver Winged Emblem for Pa
Ends in 21 Days 4 Hours 17 Minutes 40 Seconds
Current price: $503.00 (0 bids)
COLLINS KWM-2 KWM-2A S-LINE HF SSB RF CAGE 800VDC
COLLINS KWM-2 KWM-2A S-LINE HF SSB RF CAGE 800VDC
Ends in 22 Days 1 Hours 48 Minutes 53 Seconds
Current price: $29.99 (0 bids)
COLLINS KWM-2 KWM-2A S-LINE HF SSB PA TUNE Puly RO
COLLINS KWM-2 KWM-2A S-LINE HF SSB PA TUNE Puly RO
Ends in 22 Days 1 Hours 48 Minutes 53 Seconds
Current price: $19.99 (0 bids)
COLLINS KWM-2 KWM-2A 32S-3 S-LINE Chassis side bra
COLLINS KWM-2 KWM-2A 32S-3 S-LINE Chassis side bra
Ends in 22 Days 1 Hours 48 Minutes 54 Seconds
Current price: $29.99 (0 bids)
COLLINS KWM-2 KWM-2A 32S-3 S-LINE Parts PA LOAD Sh
COLLINS KWM-2 KWM-2A 32S-3 S-LINE Parts PA LOAD Sh
Ends in 22 Days 1 Hours 51 Minutes 59 Seconds
Current price: $33.00 (0 bids)
Super Manual: Collins KWM-2 & KWM-2A Tranceive
Super Manual: Collins KWM-2 & KWM-2A Tranceive
Ends in 23 Days 3 Minutes 35 Seconds
Current price: $24.95 (34 bids)
COLLINS KWM-2 /2a Transceiver front panel light LE
COLLINS KWM-2 /2a Transceiver front panel light LE
Ends in 23 Days 7 Hours 22 Minutes 20 Seconds
Current price: $15.99 (0 bids)
Collins KWM-2 Mic Gain Control with switch 376 740
Collins KWM-2 Mic Gain Control with switch 376 740
Ends in 23 Days 13 Hours 36 Minutes 49 Seconds
Current price: $30.00 (0 bids)
Collins KWM-2 PA Loading Lever Knob
Collins KWM-2 PA Loading Lever Knob
Ends in 24 Days 11 Hours 43 Minutes 29 Seconds
Current price: $19.00 (0 bids)
Collins KWM-2 Exciter Tuning Star Knob
Collins KWM-2 Exciter Tuning Star Knob
Ends in 24 Days 14 Hours 9 Minutes 40 Seconds
Current price: $19.00 (0 bids)
11 PIN CHASSIS MOUNTED CONNECTOR FOR COLLINS KWM-2
11 PIN CHASSIS MOUNTED CONNECTOR FOR COLLINS KWM-2
Ends in 25 Days 22 Hours 36 Minutes 2 Seconds
Current price: $19.99 (22 bids)
Collins KWM-2 PTO Escutcheon
Collins KWM-2 PTO Escutcheon
Ends in 26 Days 10 Hours 21 Minutes 4 Seconds
Current price: $50.00 (0 bids)
Collins KWM2-A with rare 136b-2 Noise Blanker and
Collins KWM2-A with rare 136b-2 Noise Blanker and
Ends in 26 Days 14 Hours 51 Minutes 27 Seconds
Current price: $1,250.00 (0 bids)
COLLINS  KWM-2 Complete Primo Tube Set 6146/A (2)+
COLLINS KWM-2 Complete Primo Tube Set 6146/A (2)+
Ends in 27 Days 5 Hours 50 Minutes 21 Seconds
Current price: $125.97 (27 bids)

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