Collins S-Line

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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 S-Line EBay Bargains!

Collins S-Line   75S-3B, 32S3,Station Console,   R
Collins S-Line 75S-3B, 32S3,Station Console, R
Ends in 4 Hours 49 Minutes 10 Seconds
Current price: $2,000.00 (0 bids)
EXCELLENT COLLINS S-LINE 75S-3 PARTS: PRESELECTOR
EXCELLENT COLLINS S-LINE 75S-3 PARTS: PRESELECTOR
Ends in 15 Hours 45 Minutes 54 Seconds
Current price: $125.00 (0 bids)
Collins S-Line & KWM-2 Factory Original Feet S
Collins S-Line & KWM-2 Factory Original Feet S
Ends in 1 Days 1 Hours 55 Minutes 59 Seconds
Current price: $5.99 (50 bids)
Collins S-Line 75S1, 75S2, 75S3 Filter wide AM (45
Collins S-Line 75S1, 75S2, 75S3 Filter wide AM (45
Ends in 2 Days 7 Hours 17 Minutes 40 Seconds
Current price: $90.00 (0 bids)
COLLINS S-LINE ALUMINUM FINAL RF CAGE FOR KWM-2A,
COLLINS S-LINE ALUMINUM FINAL RF CAGE FOR KWM-2A,
Ends in 3 Days 16 Hours 27 Minutes 2 Seconds
Current price: $65.00 (0 bids)
EXTREAMLY RARE COLLINS S-LINE INNER-CONNECT CABLE
EXTREAMLY RARE COLLINS S-LINE INNER-CONNECT CABLE
Ends in 3 Days 16 Hours 27 Minutes 3 Seconds
Current price: $495.00 (0 bids)
01 Collins ’S’ Line touch-up paint kit
01 Collins ’S’ Line touch-up paint kit
Ends in 4 Days 1 Hours 7 Minutes 39 Seconds
Current price: $11.95 (0 bids)
10 PIECE BRISTOL WRENCH SET FOR COLLINS S-LINE, A-
10 PIECE BRISTOL WRENCH SET FOR COLLINS S-LINE, A-
Ends in 4 Days 12 Hours 46 Minutes 4 Seconds
Current price: $20.00 (34 bids)
TRADITIONAL COLLINS S-LINE 516F-2  POWER SUPPLY 11
TRADITIONAL COLLINS S-LINE 516F-2 POWER SUPPLY 11
Ends in 4 Days 12 Hours 50 Minutes 23 Seconds
Current price: $29.99 (18 bids)
Collins S-Line/KWM2/2A 10 meter crystals
Collins S-Line/KWM2/2A 10 meter crystals
Ends in 5 Days 3 Hours 48 Minutes 56 Seconds
Current price: $55.00 (0 bids)
Collins S-Line/KWM2/2A 10 meter crystal
Collins S-Line/KWM2/2A 10 meter crystal
Ends in 5 Days 3 Hours 52 Minutes 15 Seconds
Current price: $22.50 (0 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 75S
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 75S
Ends in 5 Days 11 Hours 56 Minutes 16 Seconds
Current price: $25.99 (33 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE POW
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE POW
Ends in 5 Days 11 Hours 56 Minutes 28 Seconds
Current price: $25.99 (6 bids)
TRADITIONAL COLLINS S-LINE 75S RECEIVER 11 PIN CON
TRADITIONAL COLLINS S-LINE 75S RECEIVER 11 PIN CON
Ends in 5 Days 11 Hours 57 Minutes 29 Seconds
Current price: $29.99 (2 bids)
Collins S-Line & KWM-2 Factory Original Feet S
Collins S-Line & KWM-2 Factory Original Feet S
Ends in 6 Days 23 Hours 43 Minutes 21 Seconds
Current price: $9.99 (145 bids)
Collins S line Ham radio LOG BOOK. 1978. ORIGINAL
Collins S line Ham radio LOG BOOK. 1978. ORIGINAL
Ends in 7 Days 7 Hours 18 Minutes 35 Seconds
Current price: $8.00 (1 bid)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE SUP
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE SUP
Ends in 11 Days 12 Hours 50 Seconds
Current price: $25.99 (8 bids)
Collins S-Line & KWM-2  Stainless Hardware Set
Collins S-Line & KWM-2 Stainless Hardware Set
Ends in 11 Days 12 Hours 20 Minutes 2 Seconds
Current price: $7.99 (192 bids)
Collins S-Line & KWM-2 Factory Original Feet S
Collins S-Line & KWM-2 Factory Original Feet S
Ends in 11 Days 12 Hours 20 Minutes 38 Seconds
Current price: $28.99 (113 bids)
COLLINS S-LINE STAINLESS & PAINTED CABINET/TRI
COLLINS S-LINE STAINLESS & PAINTED CABINET/TRI
Ends in 13 Days 2 Hours 7 Minutes 20 Seconds
Current price: $3.99 (0 bids)
Collins S-line Beautiful Reproduction Winged Emble
Collins S-line Beautiful Reproduction Winged Emble
Ends in 13 Days 3 Hours 24 Minutes 13 Seconds
Current price: $24.99 (54 bids)
SOUTHCO 82-11 1/4 TURN CABINET SCREWS FOR COLLINS
SOUTHCO 82-11 1/4 TURN CABINET SCREWS FOR COLLINS
Ends in 14 Days 8 Hours 15 Minutes 28 Seconds
Current price: $9.95 (0 bids)
SOUTHCO 82-11-32 1/4 TURN CABINET SCREWS & REC
SOUTHCO 82-11-32 1/4 TURN CABINET SCREWS & REC
Ends in 14 Days 8 Hours 25 Minutes 25 Seconds
Current price: $12.95 (10 bids)
COLLINS S-LINE 70K-2 PTO VFO OSCILLATOR 75S-1 75S-
COLLINS S-LINE 70K-2 PTO VFO OSCILLATOR 75S-1 75S-
Ends in 15 Days 14 Hours 43 Minutes 59 Seconds
Current price: $150.00 (0 bids)
 Exact match touch-up CASE GREY paint for Collins
Exact match touch-up CASE GREY paint for Collins
Ends in 17 Days 2 Minutes 38 Seconds
Current price: $10.00 (0 bids)
Exact match touch-up TRIM RING grey paint for Coll
Exact match touch-up TRIM RING grey paint for Coll
Ends in 17 Days 4 Minutes 17 Seconds
Current price: $10.00 (0 bids)
Waters Manufacturing Model 359 Compreamp for Colli
Waters Manufacturing Model 359 Compreamp for Colli
Ends in 17 Days 9 Hours 57 Minutes 30 Seconds
Current price: $129.99 (0 bids)
SON COL-TRMSW 8PC SET GRAY CABINET TRIM MACHINE SC
SON COL-TRMSW 8PC SET GRAY CABINET TRIM MACHINE SC
Ends in 17 Days 11 Hours 5 Minutes 4 Seconds
Current price: $7.95 (56 bids)
 Exact match touch-up paints for Collins ’S&
Exact match touch-up paints for Collins ’S&
Ends in 20 Days 12 Minutes 11 Seconds
Current price: $18.50 (0 bids)
SMALL 120 V. Ac. TR RELAY  3PDT   FOR COLLINS S-LI
SMALL 120 V. Ac. TR RELAY 3PDT FOR COLLINS S-LI
Ends in 20 Days 2 Hours 48 Minutes 40 Seconds
Current price: $19.00 (0 bids)
COLLINS S-LINE KWM-2 KWM-2A HF SSB Parts PHONES AU
COLLINS S-LINE KWM-2 KWM-2A HF SSB Parts PHONES AU
Ends in 20 Days 4 Hours 22 Minutes 16 Seconds
Current price: $19.99 (0 bids)
 SWITCHCRAFT 0.206 0.21 INCH MICROPHONE JACK PJ-06
SWITCHCRAFT 0.206 0.21 INCH MICROPHONE JACK PJ-06
Ends in 20 Days 9 Hours 45 Minutes 2 Seconds
Current price: $17.00 (24 bids)
Collins S-Line/KWM2/2A 10 meter crystal
Collins S-Line/KWM2/2A 10 meter crystal
Ends in 21 Days 1 Hours 28 Minutes 39 Seconds
Current price: $25.00 (0 bids)
COLLINS 51S1 PHONO RCA TYPE P/N 360-0148-000 FOR C
COLLINS 51S1 PHONO RCA TYPE P/N 360-0148-000 FOR C
Ends in 21 Days 2 Hours 40 Minutes 59 Seconds
Current price: $4.95 (0 bids)
EXCLUSIVE CUSTOM 13 PC. BRISTOL WRENCH MASTER SET
EXCLUSIVE CUSTOM 13 PC. BRISTOL WRENCH MASTER SET
Ends in 22 Days 1 Hours 11 Minutes 28 Seconds
Current price: $26.00 (121 bids)
Pair Mallory SCA-2A mate for PJ068  phone jacks Co
Pair Mallory SCA-2A mate for PJ068 phone jacks Co
Ends in 22 Days 9 Hours 58 Minutes 3 Seconds
Current price: $14.50 (0 bids)
COLLINS S-Line 51S-1 KWM-2+A Plastic Trim Frame Pa
COLLINS S-Line 51S-1 KWM-2+A Plastic Trim Frame Pa
Ends in 23 Days 51 Minutes 38 Seconds
Current price: $60.00 (0 bids)
 Exact match touch-up FRONT PANEL grey paint for C
Exact match touch-up FRONT PANEL grey paint for C
Ends in 23 Days 5 Hours 27 Minutes 2 Seconds
Current price: $10.00 (0 bids)
TRADITIONAL COLLINS S-LINE 516F-2 11 PIN CONNECTOR
TRADITIONAL COLLINS S-LINE 516F-2 11 PIN CONNECTOR
Ends in 25 Days 13 Hours 2 Minutes 9 Seconds
Current price: $29.99 (31 bids)
TRADITIONAL COLLINS S-LINE 75S RCVR 11 PIN CONNECT
TRADITIONAL COLLINS S-LINE 75S RCVR 11 PIN CONNECT
Ends in 25 Days 13 Hours 3 Minutes 48 Seconds
Current price: $29.99 (27 bids)

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