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!

NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 1 Days 18 Hours 20 Minutes 2 Seconds
Current price: $72.00 (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 1 Days 23 Hours 12 Minutes 23 Seconds
Current price: $35.00 (0 bids)
Collins 75S-3B Winged Emblem Ham Receiver w/ Orig
Collins 75S-3B Winged Emblem Ham Receiver w/ Orig
Ends in 3 Days 13 Hours 43 Minutes 6 Seconds
Current price: $1,135.25 (0 bids)
Collins 75S-1 Receiver
Collins 75S-1 Receiver
Ends in 4 Days 14 Hours 11 Minutes 11 Seconds
Current price: $200.00 (0 bids)
Collins 75S-3B 75S-3C Instruction manual: Premium
Collins 75S-3B 75S-3C Instruction manual: Premium
Ends in 5 Days 57 Minutes 22 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 5 Days 57 Minutes 23 Seconds
Current price: $17.95 (5 bids)
Collins 75S-3 Instruction manual - Premium Card St
Collins 75S-3 Instruction manual - Premium Card St
Ends in 5 Days 57 Minutes 23 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 5 Days 11 Hours 27 Minutes 40 Seconds
Current price: $66.00 (5 bids)
MANUAL for COLLINS 75S-3 and 75S-3A RECEIVER
MANUAL for COLLINS 75S-3 and 75S-3A RECEIVER
Ends in 5 Days 22 Hours 17 Minutes 28 Seconds
Current price: $29.99 (0 bids)
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Ends in 6 Days 14 Hours 50 Minutes 2 Seconds
Current price: $657.40 (0 bids)
Collins 75s-1 Manual Reprint
Collins 75s-1 Manual Reprint
Ends in 8 Days 15 Hours 56 Minutes 27 Seconds
Current price: $17.95 (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 8 Days 19 Hours 41 Minutes 47 Seconds
Current price: $44.99 (21 bids)
Vintage Collins 75S-3B Receiver 32S-3 Transmitter
Vintage Collins 75S-3B Receiver 32S-3 Transmitter
Ends in 9 Days 17 Hours 56 Minutes 26 Seconds
Current price: $1,895.00 (0 bids)
Collins 75S-1 NEW Capacitor Replacement Kit
Collins 75S-1 NEW Capacitor Replacement Kit
Ends in 10 Days 18 Hours 20 Minutes 21 Seconds
Current price: $64.99 (78 bids)
Collins 75S-3 & 75S-3A  NEW Capacitor Replacem
Collins 75S-3 & 75S-3A NEW Capacitor Replacem
Ends in 10 Days 18 Hours 20 Minutes 24 Seconds
Current price: $64.99 (61 bids)
Collins 75S-3B & 75S-3C  NEW Capacitor Replace
Collins 75S-3B & 75S-3C NEW Capacitor Replace
Ends in 10 Days 18 Hours 20 Minutes 27 Seconds
Current price: $64.99 (85 bids)
Collins 75S-1  Full Set of Inlays for Front Panel
Collins 75S-1 Full Set of Inlays for Front Panel
Ends in 10 Days 23 Hours 35 Minutes 33 Seconds
Current price: $8.99 (18 bids)
Collins 75S-3  Full Set of Inlays for Front Panel
Collins 75S-3 Full Set of Inlays for Front Panel
Ends in 10 Days 23 Hours 35 Minutes 37 Seconds
Current price: $10.99 (110 bids)
Collins  75S-3  &  75S3B  receivers
Collins 75S-3 & 75S3B receivers
Ends in 11 Days 8 Hours 55 Minutes 32 Seconds
Current price: $75.00 (0 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 11 Days 15 Hours 3 Minutes 10 Seconds
Current price: $65.00 (210 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 11 Days 15 Hours 4 Minutes 25 Seconds
Current price: $55.00 (133 bids)
Collins 75S-3B Dial Escutcheon Bezel Ham Radio HF
Collins 75S-3B Dial Escutcheon Bezel Ham Radio HF
Ends in 12 Days 17 Hours 46 Minutes 19 Seconds
Current price: $69.99 (0 bids)
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
Ends in 13 Days 4 Hours 4 Minutes 30 Seconds
Current price: $901.60 (0 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 14 Days 20 Hours 43 Minutes 14 Seconds
Current price: $29.95 (17 bids)
Collins 75S-3B/C Receiver/32S- Transmitter Manuals
Collins 75S-3B/C Receiver/32S- Transmitter Manuals
Ends in 15 Days 13 Hours 55 Minutes 10 Seconds
Current price: $19.99 (0 bids)
Collins 75s-1 receiver  Instruction book
Collins 75s-1 receiver Instruction book
Ends in 15 Days 21 Hours 38 Minutes 5 Seconds
Current price: $20.00 (0 bids)
Collins 75S-3 and 3A Manual Reprint
Collins 75S-3 and 3A Manual Reprint
Ends in 16 Days 1 Hours 33 Minutes 37 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 16 Days 12 Hours 47 Minutes 43 Seconds
Current price: $5.00 (1 bid)
Collins 75S-3 And 75S-3A Instruction Book Manual
Collins 75S-3 And 75S-3A Instruction Book Manual
Ends in 17 Days 13 Hours 44 Minutes 51 Seconds
Current price: $37.37 (0 bids)
Collins 75S-3B Round Emblem Ham Radio Receiver + 3
Collins 75S-3B Round Emblem Ham Radio Receiver + 3
Ends in 17 Days 15 Hours 5 Minutes 38 Seconds
Current price: $862.33 (0 bids)
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Ends in 17 Days 20 Hours 37 Minutes 40 Seconds
Current price: $12.45 (6 bids)
Collins 75S-3C RE Ham Receiver w/ Orig Manual, 2 F
Collins 75S-3C RE Ham Receiver w/ Orig Manual, 2 F
Ends in 19 Days 13 Hours 51 Minutes 14 Seconds
Current price: $1,705.25 (0 bids)
Collins 75S-3C  HF Receiver Front Panel Overlay Ne
Collins 75S-3C HF Receiver Front Panel Overlay Ne
Ends in 22 Days 10 Minutes 16 Seconds
Current price: $199.00 (0 bids)
COLLINS 75S-1 Ham Radio Receiver - Looks and Works
COLLINS 75S-1 Ham Radio Receiver - Looks and Works
Ends in 23 Days 12 Hours 21 Minutes 2 Seconds
Current price: $399.00 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
Ends in 23 Days 21 Hours 45 Minutes 42 Seconds
Current price: $10.00 (3 bids)
Collins 75S-3B and 3C Manual Reprint
Collins 75S-3B and 3C Manual Reprint
Ends in 24 Days 9 Hours 2 Minutes 27 Seconds
Current price: $19.50 (0 bids)
COLLINS 75S-3 Receiver Tube Set
COLLINS 75S-3 Receiver Tube Set
Ends in 25 Days 7 Hours 23 Minutes 15 Seconds
Current price: $69.97 (0 bids)
COLLINS 75S3-A Receiver Tube Set
COLLINS 75S3-A Receiver Tube Set
Ends in 25 Days 8 Hours 17 Minutes 42 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 25 Days 12 Hours 47 Minutes 40 Seconds
Current price: $15.99 (0 bids)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 26 Days 15 Hours 33 Minutes 8 Seconds
Current price: $49.97 (19 bids)

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