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 Ė innovative in its use of transistors and digital technology, and its styling. It was Collinsí 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 kwm2-s line main dial
Collins kwm2-s line main dial
Ends in 10 Minutes 24 Seconds
Current price: $23.00 (0 bids)
Collins KWM-2A Circle Signature Series Amateur Rad
Collins KWM-2A Circle Signature Series Amateur Rad
Ends in 1 Hours 17 Minutes 25 Seconds
Current price: $32.50 (1 bid)
Collins KWM2 KWM2A Speech Processor DX Engineering
Collins KWM2 KWM2A Speech Processor DX Engineering
Ends in 3 Hours 55 Minutes 48 Seconds
Current price: $249.99 (0 bids)
BUDWIG TF6T-T 8PC COLLINS KWM2 S-LINE RADIO BLACK
BUDWIG TF6T-T 8PC COLLINS KWM2 S-LINE RADIO BLACK
Ends in 1 Days 4 Hours 28 Minutes 47 Seconds
Current price: $9.95 (172 bids)
Super Manual: Collins KWM-2 & KWM-2A Tranceive
Super Manual: Collins KWM-2 & KWM-2A Tranceive
Ends in 1 Days 17 Hours 54 Minutes 8 Seconds
Current price: $24.95 (61 bids)
Collins KWM-2 & KWM-2A  Full Knob Inlay set of
Collins KWM-2 & KWM-2A Full Knob Inlay set of
Ends in 3 Days 16 Hours 20 Minutes 18 Seconds
Current price: $8.99 (80 bids)
COLLINS    KWM-2 /2a Transceiver front panel light
COLLINS KWM-2 /2a Transceiver front panel light
Ends in 3 Days 19 Hours 30 Minutes 16 Seconds
Current price: $15.99 (3 bids)
PTO Graticule Adjustment Knob for Collins KWM-2, S
PTO Graticule Adjustment Knob for Collins KWM-2, S
Ends in 4 Days 4 Hours 17 Minutes 48 Seconds
Current price: $10.00 (1 bid)
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 4 Days 23 Hours 53 Seconds
Current price: $19.99 (0 bids)
Collins KWM-2 Ham Radio transceiver.   W8HYX
Collins KWM-2 Ham Radio transceiver.   W8HYX
Ends in 5 Days 6 Hours 51 Minutes 1 Seconds
Current price: $179.50 (2 bids)
transformador para collins kwm2a NUEVO
transformador para collins kwm2a NUEVO
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Current price: $220.00 (0 bids)
Collins KWM-2, KWM-2A NEW Chassis Mounted Replacem
Collins KWM-2, KWM-2A NEW Chassis Mounted Replacem
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Current price: $47.99 (41 bids)
Collins KWM-2 & KWM-2A NEW Capacitor Replaceme
Collins KWM-2 & KWM-2A NEW Capacitor Replaceme
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Current price: $69.99 (130 bids)
1 GoodQuality Collins KWM-2 A Radio Front Panel Fa
1 GoodQuality Collins KWM-2 A Radio Front Panel Fa
Ends in 5 Days 21 Hours 29 Minutes 41 Seconds
Current price: $23.01 (1 bid)
1 New Collins KWM-2 A Radio Front Panel Faceplate
1 New Collins KWM-2 A Radio Front Panel Faceplate
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Current price: $61.36 (0 bids)
1 Great Quality  Collins KWM-2 A Radio Front Panel
1 Great Quality Collins KWM-2 A Radio Front Panel
Ends in 6 Days 1 Hours 39 Minutes 29 Seconds
Current price: $38.35 (0 bids)
Collins KWM-2 Service Bulletins Set Of Ten
Collins KWM-2 Service Bulletins Set Of Ten
Ends in 6 Days 14 Hours 31 Minutes 58 Seconds
Current price: $14.95 (1 bid)
Rockwell Collins KWM-2 Instruction Book
Rockwell Collins KWM-2 Instruction Book
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Current price: $55.00 (0 bids)
Collins KWM-2/KWM-2A Instruction manual: w/11&rsqu
Collins KWM-2/KWM-2A Instruction manual: w/11&rsqu
Ends in 7 Days 8 Hours 25 Minutes 57 Seconds
Current price: $30.95 (49 bids)
COLLINS  KWM-2 Complete Primo Tube Set 6146/A (2)+
COLLINS KWM-2 Complete Primo Tube Set 6146/A (2)+
Ends in 9 Days 23 Hours 40 Minutes 54 Seconds
Current price: $139.97 (32 bids)
Collins KWM-2 S-Line Transmitter Frequency Tuning
Collins KWM-2 S-Line Transmitter Frequency Tuning
Ends in 10 Days 2 Hours 44 Minutes 33 Seconds
Current price: $320.00 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)
Collins KWM2 75S and 32S crystals Xtals
Collins KWM2 75S and 32S crystals Xtals
Ends in 10 Days 22 Hours 13 Minutes 49 Seconds
Current price: $9.95 (0 bids)

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