Collins 75S

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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 75S EBay Bargains!

COLLINS 75S-1 Receiver, WE
COLLINS 75S-1 Receiver, WE
Ends in 1 Days 6 Hours 49 Minutes
Current price: $449.00 (0 bids)
Collins 75S-3 and 3A Manual Reprint
Collins 75S-3 and 3A Manual Reprint
Ends in 2 Days 5 Hours 13 Minutes 50 Seconds
Current price: $19.50 (3 bids)
Collins 75S-1 NEW Capacitor Replacement Kit
Collins 75S-1 NEW Capacitor Replacement Kit
Ends in 4 Days 2 Hours 44 Minutes 4 Seconds
Current price: $69.99 (89 bids)
Collins 75S-3 & 75S-3A  NEW Capacitor Replacem
Collins 75S-3 & 75S-3A NEW Capacitor Replacem
Ends in 4 Days 2 Hours 44 Minutes 7 Seconds
Current price: $69.99 (73 bids)
Collins 75S-3B & 75S-3C  NEW Capacitor Replace
Collins 75S-3B & 75S-3C NEW Capacitor Replace
Ends in 4 Days 2 Hours 44 Minutes 10 Seconds
Current price: $69.99 (94 bids)
Collins 75S-1  Full Set of Inlays for Front Panel
Collins 75S-1 Full Set of Inlays for Front Panel
Ends in 4 Days 7 Hours 59 Minutes 16 Seconds
Current price: $8.99 (19 bids)
Collins 75S-3  Full Set of Inlays for Front Panel
Collins 75S-3 Full Set of Inlays for Front Panel
Ends in 4 Days 7 Hours 59 Minutes 20 Seconds
Current price: $10.99 (130 bids)
Collins 75S-1 Manual Reprint With 11X34’ Sch
Collins 75S-1 Manual Reprint With 11X34’ Sch
Ends in 4 Days 16 Hours 3 Minutes 28 Seconds
Current price: $17.95 (2 bids)
COLLINS 75S-3B Excellent Working Condition
COLLINS 75S-3B Excellent Working Condition
Ends in 4 Days 19 Hours 47 Minutes 24 Seconds
Current price: $800.00 (0 bids)
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Ends in 5 Days 21 Hours 11 Minutes 26 Seconds
Current price: $5.00 (15 bids)
COLLINS 75S-1 Receiver
COLLINS 75S-1 Receiver
Ends in 6 Days 1 Hours 55 Seconds
Current price: $90.00 (1 bid)
Collins 75S-3B 75S-3C Instruction manual: w/ 36&rs
Collins 75S-3B 75S-3C Instruction manual: w/ 36&rs
Ends in 7 Days 9 Hours 21 Minutes 5 Seconds
Current price: $22.95 (45 bids)
Collins 75S-1 Instruction Manual: 11x34’ Sch
Collins 75S-1 Instruction Manual: 11x34’ Sch
Ends in 7 Days 9 Hours 21 Minutes 6 Seconds
Current price: $21.95 (12 bids)
Collins 75S-3 Instruction manual: 11’ X 44&r
Collins 75S-3 Instruction manual: 11’ X 44&r
Ends in 7 Days 9 Hours 21 Minutes 6 Seconds
Current price: $20.95 (4 bids)
Collins 75S or 32S or KWM-2 or 30L-1 DUST COVER
Collins 75S or 32S or KWM-2 or 30L-1 DUST COVER
Ends in 9 Days 5 Hours 5 Minutes 40 Seconds
Current price: $35.00 (5 bids)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 9 Days 23 Hours 56 Minutes 51 Seconds
Current price: $49.97 (24 bids)
COLLINS 75S-3B/C Receiver Tube Set
COLLINS 75S-3B/C Receiver Tube Set
Ends in 9 Days 23 Hours 59 Minutes 18 Seconds
Current price: $99.97 (26 bids)
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Ends in 10 Days 20 Hours 20 Minutes
Current price: $12.45 (9 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 10 Days 23 Hours 36 Minutes 1 Seconds
Current price: $29.95 (10 bids)
Collins 75S-3B and 3C Manual Reprint
Collins 75S-3B and 3C Manual Reprint
Ends in 11 Days 18 Hours 14 Minutes 24 Seconds
Current price: $14.95 (7 bids)
Collins  75S-3  &  75S3B  receivers
Collins 75S-3 & 75S3B receivers
Ends in 11 Days 20 Hours 52 Minutes 49 Seconds
Current price: $75.00 (0 bids)
Collins 75S-1 Winged Emblem Ham Radio Receiver
Collins 75S-1 Winged Emblem Ham Radio Receiver
Ends in 13 Days 11 Hours 8 Minutes 29 Seconds
Current price: $868.18 (0 bids)
COLLINS 75S-3 Receiver Tube Set
COLLINS 75S-3 Receiver Tube Set
Ends in 15 Days 15 Hours 46 Minutes 58 Seconds
Current price: $99.97 (2 bids)
COLLINS 75S3-A Receiver Tube Set
COLLINS 75S3-A Receiver Tube Set
Ends in 15 Days 16 Hours 41 Minutes 25 Seconds
Current price: $65.97 (2 bids)
NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 16 Days 1 Hours 45 Minutes 4 Seconds
Current price: $72.00 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
Ends in 18 Days 6 Hours 9 Minutes 25 Seconds
Current price: $10.00 (6 bids)
(Untested) Collins 75S-1 Winged Emblem Ham Radio R
(Untested) Collins 75S-1 Winged Emblem Ham Radio R
Ends in 18 Days 6 Hours 10 Minutes 41 Seconds
Current price: $339.99 (0 bids)
6BF5 Solid State For Collins 75S Series Radios
6BF5 Solid State For Collins 75S Series Radios
Ends in 18 Days 19 Hours 52 Minutes 13 Seconds
Current price: $65.00 (8 bids)
ORIGINAL COLLINS 75S1 ESCUTCHEON/FACE PLATE GREAT
ORIGINAL COLLINS 75S1 ESCUTCHEON/FACE PLATE GREAT
Ends in 18 Days 22 Hours 29 Minutes 30 Seconds
Current price: $39.99 (0 bids)
Collins 75S-3B Winged Signature Series Amateur Rad
Collins 75S-3B Winged Signature Series Amateur Rad
Ends in 19 Days 48 Minutes 13 Seconds
Current price: $40.00 (4 bids)
Collins 75S-3C, 32S-3A, 312B-4 Signature Series Am
Collins 75S-3C, 32S-3A, 312B-4 Signature Series Am
Ends in 19 Days 1 Hours 28 Minutes 21 Seconds
Current price: $85.00 (0 bids)
Collins 75S-1, 75S-2, 75S-3/A/B/C NEW Chassis Moun
Collins 75S-1, 75S-2, 75S-3/A/B/C NEW Chassis Moun
Ends in 20 Days 4 Hours 5 Minutes 30 Seconds
Current price: $47.99 (37 bids)
COLLINS 75S-1 Receiver, WE * WORKING*
COLLINS 75S-1 Receiver, WE * WORKING*
Ends in 20 Days 5 Hours 47 Minutes 1 Seconds
Current price: $439.00 (0 bids)
Collins 75S-1 75S-3 75S-3B Receiever On/Off Standb
Collins 75S-1 75S-3 75S-3B Receiever On/Off Standb
Ends in 23 Days 17 Hours 53 Minutes 30 Seconds
Current price: $34.95 (0 bids)
Collins 75S-3B Receiver Meter OEM Replacement Part
Collins 75S-3B Receiver Meter OEM Replacement Part
Ends in 25 Days 8 Hours 27 Minutes 52 Seconds
Current price: $100.00 (0 bids)
Collins 75S-3B Receiver Original One Sheet Ad Flye
Collins 75S-3B Receiver Original One Sheet Ad Flye
Ends in 26 Days 2 Hours 1 Minutes
Current price: $19.50 (0 bids)
Collins 75S-1 Receiver Specification Sheet Origina
Collins 75S-1 Receiver Specification Sheet Origina
Ends in 28 Days 18 Hours 39 Minutes 41 Seconds
Current price: $18.13 (0 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 28 Days 23 Hours 26 Minutes 53 Seconds
Current price: $65.00 (239 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 28 Days 23 Hours 28 Minutes 8 Seconds
Current price: $55.00 (154 bids)
Collins 75S-3 Winged Signature Series Amateur Radi
Collins 75S-3 Winged Signature Series Amateur Radi
Ends in 29 Days 22 Minutes 1 Seconds
Current price: $40.00 (5 bids)

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