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 & KWM-2 Factory Original Feet w
Collins S-Line & KWM-2 Factory Original Feet w
Ends in 3 Days 7 Hours 47 Minutes 11 Seconds
Current price: $9.99 (208 bids)
COLLINS S LINE/KWM-2 PTO FIDUCIARY/MISC DRIVE PART
COLLINS S LINE/KWM-2 PTO FIDUCIARY/MISC DRIVE PART
Ends in 3 Days 12 Hours 40 Minutes 19 Seconds
Current price: $25.00 (0 bids)
TWO COLLINS S LINE  PUSH ON KNOBS -- POPULAR STYLE
TWO COLLINS S LINE PUSH ON KNOBS -- POPULAR STYLE
Ends in 3 Days 13 Hours 3 Minutes 58 Seconds
Current price: $27.99 (1 bid)
 SWITCHCRAFT 0.206 0.21 INCH MICROPHONE JACK PJ-06
SWITCHCRAFT 0.206 0.21 INCH MICROPHONE JACK PJ-06
Ends in 3 Days 17 Hours 48 Minutes 52 Seconds
Current price: $16.00 (30 bids)
10 PIECE BRISTOL WRENCH SET FOR COLLINS S-LINE, A-
10 PIECE BRISTOL WRENCH SET FOR COLLINS S-LINE, A-
Ends in 3 Days 20 Hours 49 Minutes 54 Seconds
Current price: $20.00 (46 bids)
TRADITIONAL COLLINS S-LINE 516F-2  POWER SUPPLY 11
TRADITIONAL COLLINS S-LINE 516F-2 POWER SUPPLY 11
Ends in 3 Days 20 Hours 54 Minutes 13 Seconds
Current price: $29.99 (30 bids)
COLLINS S LINE KNOB SET SCREWS 75S-1 75S-3B, C 32S
COLLINS S LINE KNOB SET SCREWS 75S-1 75S-3B, C 32S
Ends in 4 Days 4 Hours 59 Minutes 11 Seconds
Current price: $12.50 (6 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 75S
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 75S
Ends in 4 Days 20 Hours 6 Seconds
Current price: $25.99 (47 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE POW
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE POW
Ends in 4 Days 20 Hours 18 Seconds
Current price: $25.99 (12 bids)
Collins Log Book Featuring the First Collins S-Lin
Collins Log Book Featuring the First Collins S-Lin
Ends in 4 Days 23 Hours 18 Minutes 18 Seconds
Current price: $29.99 (0 bids)
SOUTHCO 82-11 1/4 TURN CABINET SCREWS FOR COLLINS
SOUTHCO 82-11 1/4 TURN CABINET SCREWS FOR COLLINS
Ends in 7 Days 16 Hours 19 Minutes 18 Seconds
Current price: $9.95 (4 bids)
SOUTHCO 82-11-32 1/4 TURN CABINET SCREWS & REC
SOUTHCO 82-11-32 1/4 TURN CABINET SCREWS & REC
Ends in 7 Days 16 Hours 29 Minutes 15 Seconds
Current price: $13.95 (29 bids)
Original Collins S Line Amateur Radio Station Log
Original Collins S Line Amateur Radio Station Log
Ends in 8 Days 15 Hours 56 Minutes 7 Seconds
Current price: $30.00 (0 bids)
TRADITIONAL COLLINS S-LINE 516F-2 11 PIN CONNECTOR
TRADITIONAL COLLINS S-LINE 516F-2 11 PIN CONNECTOR
Ends in 8 Days 21 Hours 5 Minutes 59 Seconds
Current price: $29.99 (33 bids)
TRADITIONAL COLLINS S-LINE 75S RCVR 11 PIN CONNECT
TRADITIONAL COLLINS S-LINE 75S RCVR 11 PIN CONNECT
Ends in 8 Days 21 Hours 7 Minutes 38 Seconds
Current price: $29.99 (27 bids)
TRADITIONAL COLLINS S-LINE EQUIPMENT 11 PIN CONNEC
TRADITIONAL COLLINS S-LINE EQUIPMENT 11 PIN CONNEC
Ends in 8 Days 21 Hours 7 Minutes 42 Seconds
Current price: $29.99 (20 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 32S
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE 32S
Ends in 8 Days 21 Hours 7 Minutes 46 Seconds
Current price: $25.99 (50 bids)
VFO 1000 COLLINS S-LINE FUNCTIONS AS VFO, CRYSTAL
VFO 1000 COLLINS S-LINE FUNCTIONS AS VFO, CRYSTAL
Ends in 10 Days 17 Hours 46 Minutes 30 Seconds
Current price: $310.00 (7 bids)
Collins S-Line Weighted PTO Knob Insert for PTO Kn
Collins S-Line Weighted PTO Knob Insert for PTO Kn
Ends in 10 Days 17 Hours 54 Minutes 52 Seconds
Current price: $29.99 (9 bids)
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE SUP
NEW STYLE 11 PIN CONNECTORS FOR COLLINS S-LINE SUP
Ends in 11 Days 20 Hours 4 Minutes 40 Seconds
Current price: $25.99 (8 bids)
COLLINS S-LINE 30L-1 LARGER KNOB TUNING OR LOADING
COLLINS S-LINE 30L-1 LARGER KNOB TUNING OR LOADING
Ends in 12 Days 20 Hours 54 Minutes 52 Seconds
Current price: $15.00 (0 bids)
Rare Collins S Line Rack Mount 32S-3 75S-1 32S-3A
Rare Collins S Line Rack Mount 32S-3 75S-1 32S-3A
Ends in 12 Days 21 Hours 32 Minutes 31 Seconds
Current price: $179.99 (0 bids)
SON COL-TRMSW 8PC SET GRAY CABINET TRIM MACHINE SC
SON COL-TRMSW 8PC SET GRAY CABINET TRIM MACHINE SC
Ends in 13 Days 19 Hours 8 Minutes 54 Seconds
Current price: $7.95 (80 bids)
COLLINS S-LINE ALUMINUM FINAL RF CAGE FOR KWM-2A,
COLLINS S-LINE ALUMINUM FINAL RF CAGE FOR KWM-2A,
Ends in 14 Days 22 Hours 55 Minutes 6 Seconds
Current price: $49.00 (0 bids)
VFO 1000A  FOR COLLINS S LINE
VFO 1000A FOR COLLINS S LINE
Ends in 18 Days 14 Hours 24 Minutes 9 Seconds
Current price: $310.00 (0 bids)
COLLINS S-LINE CRYSTAL 3.6-3.8 MHz  6755KC
COLLINS S-LINE CRYSTAL 3.6-3.8 MHz 6755KC
Ends in 19 Days 7 Hours 59 Minutes 47 Seconds
Current price: $18.99 (0 bids)
COLLINS S-LINE CRYSTAL 7.2 - 7.4 MHz  10355 khz
COLLINS S-LINE CRYSTAL 7.2 - 7.4 MHz 10355 khz
Ends in 19 Days 7 Hours 59 Minutes 47 Seconds
Current price: $18.99 (0 bids)
COLLINS S-LINE CRYSTAL 14.8 - 15.0 MHz  8977.5 khz
COLLINS S-LINE CRYSTAL 14.8 - 15.0 MHz 8977.5 khz
Ends in 19 Days 8 Hours 2 Minutes 21 Seconds
Current price: $18.99 (0 bids)
COLLINS S-LINE CRYSTAL 14.0 - 14.2 MHz  8577.5KC
COLLINS S-LINE CRYSTAL 14.0 - 14.2 MHz 8577.5KC
Ends in 19 Days 8 Hours 2 Minutes 21 Seconds
Current price: $18.99 (0 bids)
COLLINS S-LINE CRYSTAL 21.4 - 21.6 MHz  12.2775 mh
COLLINS S-LINE CRYSTAL 21.4 - 21.6 MHz 12.2775 mh
Ends in 19 Days 8 Hours 2 Minutes 22 Seconds
Current price: $18.99 (0 bids)
COLLINS S-LINE CRYSTAL 21.2 - 21.4 MHz  12177.5 kh
COLLINS S-LINE CRYSTAL 21.2 - 21.4 MHz 12177.5 kh
Ends in 19 Days 8 Hours 2 Minutes 22 Seconds
Current price: $18.99 (0 bids)
 Exact match touch-up paint for Collins S Line Fro
Exact match touch-up paint for Collins S Line Fro
Ends in 20 Days 3 Hours 48 Minutes 51 Seconds
Current price: $12.00 (0 bids)
Collins S-Line & KWM-2  Stainless Hardware Set
Collins S-Line & KWM-2 Stainless Hardware Set
Ends in 20 Days 20 Hours 23 Minutes 52 Seconds
Current price: $7.99 (240 bids)
Collins S-Line & KWM-2 Factory Original Feet w
Collins S-Line & KWM-2 Factory Original Feet w
Ends in 20 Days 20 Hours 24 Minutes 28 Seconds
Current price: $28.99 (135 bids)
Collins S-Line & KWM-2 Factory Original Feet W
Collins S-Line & KWM-2 Factory Original Feet W
Ends in 21 Days 9 Hours 59 Minutes 49 Seconds
Current price: $5.99 (69 bids)
Triple 40 250v Electrolytic Capacitor for Collins
Triple 40 250v Electrolytic Capacitor for Collins
Ends in 22 Days 12 Hours 31 Minutes 18 Seconds
Current price: $37.95 (3 bids)
Collins S-Line, KWM-2 & Accessory Feet Set W/
Collins S-Line, KWM-2 & Accessory Feet Set W/
Ends in 24 Days 14 Hours 17 Minutes 1 Seconds
Current price: $24.99 (35 bids)
COLLINS S-LINE PARTS: TRANSMITTING TANK COIL 80-10
COLLINS S-LINE PARTS: TRANSMITTING TANK COIL 80-10
Ends in 25 Days 10 Hours 36 Minutes 43 Seconds
Current price: $25.00 (0 bids)
COLLINS S-LINE PARTS: PLATE TUNE & LOAD CAPS (
COLLINS S-LINE PARTS: PLATE TUNE & LOAD CAPS (
Ends in 25 Days 10 Hours 36 Minutes 49 Seconds
Current price: $40.00 (0 bids)
COLLINS S-LINE 30L-1 LOAD TUNE CAPACITOR
COLLINS S-LINE 30L-1 LOAD TUNE CAPACITOR
Ends in 27 Days 13 Hours 7 Minutes 39 Seconds
Current price: $85.00 (0 bids)

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