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 AM / CW / SSB Ham Radio Receiver
Collins 75S-1 AM / CW / SSB Ham Radio Receiver
Ends in 2 Hours 6 Minutes 4 Seconds
Current price: $699.00 (0 bids)
Collins 75S-1 Receicer  Good Condition  preowned
Collins 75S-1 Receicer Good Condition preowned
Ends in 7 Hours 14 Minutes 19 Seconds
Current price: $446.50 (0 bids)
Collins 75S-3B Winged Emblem Ham Receiver w/ Orig
Collins 75S-3B Winged Emblem Ham Receiver w/ Orig
Ends in 1 Days 4 Hours 6 Minutes 15 Seconds
Current price: $1,135.25 (0 bids)
Collins 75S-3B 75S-3C Instruction manual: Premium
Collins 75S-3B 75S-3C Instruction manual: Premium
Ends in 2 Days 15 Hours 20 Minutes 31 Seconds
Current price: $19.95 (15 bids)
Collins 75S-1 Instruction manual - Premium Card St
Collins 75S-1 Instruction manual - Premium Card St
Ends in 2 Days 15 Hours 20 Minutes 32 Seconds
Current price: $17.95 (7 bids)
Collins 75S-3 Instruction manual - Premium Card St
Collins 75S-3 Instruction manual - Premium Card St
Ends in 2 Days 15 Hours 20 Minutes 32 Seconds
Current price: $17.95 (1 bid)
Solid State replacement for 6BF5 in Collins 75S se
Solid State replacement for 6BF5 in Collins 75S se
Ends in 3 Days 1 Hours 50 Minutes 49 Seconds
Current price: $66.00 (6 bids)
Collins 75S-1 HF Amateur Ham Radio Receiver workin
Collins 75S-1 HF Amateur Ham Radio Receiver workin
Ends in 3 Days 13 Hours 45 Minutes 16 Seconds
Current price: $202.50 (12 bids)
Collins 75S-3A Receiver with Winged Emblem.  Estat
Collins 75S-3A Receiver with Winged Emblem. Estat
Ends in 3 Days 14 Hours 15 Minutes 5 Seconds
Current price: $690.00 (0 bids)
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Ends in 4 Days 5 Hours 13 Minutes 11 Seconds
Current price: $588.20 (0 bids)
Vintage Collins 75S-1 Receiver - AS-IS
Vintage Collins 75S-1 Receiver - AS-IS
Ends in 4 Days 5 Hours 45 Minutes 10 Seconds
Current price: $549.95 (0 bids)
Collins 75S-3C Used
Collins 75S-3C Used
Ends in 4 Days 23 Hours 40 Minutes 48 Seconds
Current price: $1,599.00 (0 bids)
Collins 75s-1 Manual Reprint
Collins 75s-1 Manual Reprint
Ends in 6 Days 6 Hours 19 Minutes 36 Seconds
Current price: $17.95 (0 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 9 Days 5 Hours 26 Minutes 19 Seconds
Current price: $65.00 (213 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 9 Days 5 Hours 27 Minutes 34 Seconds
Current price: $55.00 (135 bids)
Collins  75S-3  &  75S3B  receivers
Collins 75S-3 & 75S3B receivers
Ends in 9 Days 9 Hours 38 Minutes 12 Seconds
Current price: $75.00 (0 bids)
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
Ends in 10 Days 18 Hours 27 Minutes 39 Seconds
Current price: $1,288.00 (0 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 12 Days 11 Hours 6 Minutes 23 Seconds
Current price: $29.95 (19 bids)
Collins 75S-3 and 3A Manual Reprint
Collins 75S-3 and 3A Manual Reprint
Ends in 13 Days 15 Hours 56 Minutes 46 Seconds
Current price: $19.50 (0 bids)
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Ends in 14 Days 3 Hours 10 Minutes 52 Seconds
Current price: $5.00 (2 bids)
Collins 75S-3 And 75S-3A Instruction Book Manual
Collins 75S-3 And 75S-3A Instruction Book Manual
Ends in 15 Days 4 Hours 8 Minutes
Current price: $37.61 (0 bids)
Collins 75S-3B Round Emblem Ham Radio Receiver + 3
Collins 75S-3B Round Emblem Ham Radio Receiver + 3
Ends in 15 Days 5 Hours 28 Minutes 47 Seconds
Current price: $868.02 (0 bids)
Collins 75S-3C  HF Receiver Front Panel Overlay Ne
Collins 75S-3C HF Receiver Front Panel Overlay Ne
Ends in 19 Days 14 Hours 33 Minutes 25 Seconds
Current price: $199.00 (0 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 20 Days 2 Hours 59 Seconds
Current price: $35.00 (0 bids)
Vintage Collins 75S-3B Receiver 32S-3 Transmitter
Vintage Collins 75S-3B Receiver 32S-3 Transmitter
Ends in 20 Days 5 Hours 24 Minutes 34 Seconds
Current price: $1,695.00 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
Ends in 21 Days 12 Hours 8 Minutes 51 Seconds
Current price: $10.00 (3 bids)
Collins 75S-3B and 3C Manual Reprint
Collins 75S-3B and 3C Manual Reprint
Ends in 21 Days 23 Hours 25 Minutes 36 Seconds
Current price: $19.50 (0 bids)
COLLINS 75S-3 Receiver Tube Set
COLLINS 75S-3 Receiver Tube Set
Ends in 22 Days 21 Hours 46 Minutes 24 Seconds
Current price: $69.97 (0 bids)
COLLINS 75S3-A Receiver Tube Set
COLLINS 75S3-A Receiver Tube Set
Ends in 22 Days 22 Hours 40 Minutes 51 Seconds
Current price: $65.97 (1 bid)
COLLINS 75S-1,75S-2 , 75S-3 Receiver  front panel
COLLINS 75S-1,75S-2 , 75S-3 Receiver front panel
Ends in 23 Days 6 Hours 31 Minutes 56 Seconds
Current price: $15.99 (0 bids)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 24 Days 5 Hours 56 Minutes 17 Seconds
Current price: $49.97 (20 bids)
COLLINS 75S-3B/C Receiver Tube Set
COLLINS 75S-3B/C Receiver Tube Set
Ends in 24 Days 5 Hours 58 Minutes 44 Seconds
Current price: $69.97 (20 bids)
Collins 75S-3B Dial Escutcheon Bezel Ham Radio HF
Collins 75S-3B Dial Escutcheon Bezel Ham Radio HF
Ends in 28 Days 13 Hours 27 Minutes 19 Seconds
Current price: $69.99 (0 bids)
NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 29 Days 12 Hours 22 Minutes 54 Seconds
Current price: $72.00 (0 bids)

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