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-3B and 75S-3C instruction manual with
Collins 75S-3B and 75S-3C instruction manual with
Ends in 1 Days 8 Hours 46 Minutes 19 Seconds
Current price: $6.00 (1 bid)
Collins 75S-1 instruction manual with schematic OR
Collins 75S-1 instruction manual with schematic OR
Ends in 1 Days 9 Hours 1 Minutes 40 Seconds
Current price: $21.50 (11 bids)
Vintage Collins 75S-1 Ham Radio Receiver. fully wo
Vintage Collins 75S-1 Ham Radio Receiver. fully wo
Ends in 1 Days 14 Hours 37 Minutes 46 Seconds
Current price: $335.00 (21 bids)
Collins 75S-3 Receiver
Collins 75S-3 Receiver
Ends in 2 Days 6 Hours 24 Minutes 16 Seconds
Current price: $511.00 (2 bids)
NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 2 Days 7 Hours 8 Minutes 54 Seconds
Current price: $72.00 (0 bids)
Collins 75S-3C  HF Receiver Front Panel Overlay Ne
Collins 75S-3C HF Receiver Front Panel Overlay Ne
Ends in 2 Days 15 Hours 25 Minutes 50 Seconds
Current price: $149.99 (0 bids)
Original COLLINS 75S-3 and 75S-3A RECEIVER OPERATI
Original COLLINS 75S-3 and 75S-3A RECEIVER OPERATI
Ends in 3 Days 2 Hours 36 Minutes 28 Seconds
Current price: $29.00 (0 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 3 Days 9 Hours 13 Minutes 14 Seconds
Current price: $29.95 (234 bids)
COLLINS 75S-1 w/CORRECT FACTORY BOX & NOTCH FI
COLLINS 75S-1 w/CORRECT FACTORY BOX & NOTCH FI
Ends in 3 Days 13 Hours 45 Minutes 12 Seconds
Current price: $350.00 (1 bid)
Collins 75S-3B 75S-3C Instruction manual: Premium
Collins 75S-3B 75S-3C Instruction manual: Premium
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Current price: $19.95 (12 bids)
Collins 75S-1 Instruction manual - Premium Card St
Collins 75S-1 Instruction manual - Premium Card St
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Current price: $17.95 (5 bids)
Collins 75S-3 Instruction manual - Premium Card St
Collins 75S-3 Instruction manual - Premium Card St
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Current price: $17.95 (1 bid)
Collins 75S-1 manual w/ 35’ schematic »R²
Collins 75S-1 manual w/ 35’ schematic »R²
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Current price: $14.95 (0 bids)
Collins 75S-3/75S-3A manual w/44’ schematic
Collins 75S-3/75S-3A manual w/44’ schematic
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Current price: $13.95 (0 bids)
Collins 75S-3B/75S-3C manual w/43’ schematic
Collins 75S-3B/75S-3C manual w/43’ schematic
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Current price: $14.95 (1 bid)
Collins 75s-1 Manual Reprint
Collins 75s-1 Manual Reprint
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Current price: $17.95 (0 bids)
Collins 75S-3B and 3C Manual Reprint
Collins 75S-3B and 3C Manual Reprint
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Current price: $19.50 (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
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Current price: $43.99 (18 bids)
Collins  75S-3  &  75S3B  receivers
Collins 75S-3 & 75S3B receivers
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Current price: $78.00 (0 bids)
Collins 75S-1 NEW Capacitor Replacement Kit
Collins 75S-1 NEW Capacitor Replacement Kit
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Current price: $59.99 (70 bids)
Collins 75S-3 & 75S-3A  NEW Capacitor Replacem
Collins 75S-3 & 75S-3A NEW Capacitor Replacem
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Current price: $59.99 (60 bids)
Collins 75S-3B & 75S-3C  NEW Capacitor Replace
Collins 75S-3B & 75S-3C NEW Capacitor Replace
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Current price: $59.99 (82 bids)
Collins 75S-1  Full Set of Inlays for Front Panel
Collins 75S-1 Full Set of Inlays for Front Panel
Ends in 11 Days 13 Hours 13 Minutes 38 Seconds
Current price: $7.99 (18 bids)
Collins 75S-3  Full Set of Inlays for Front Panel
Collins 75S-3 Full Set of Inlays for Front Panel
Ends in 11 Days 13 Hours 13 Minutes 42 Seconds
Current price: $9.99 (108 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 12 Days 4 Hours 41 Minutes 15 Seconds
Current price: $65.00 (205 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 12 Days 4 Hours 42 Minutes 30 Seconds
Current price: $55.00 (127 bids)
Solid State replacement for 6BF5 in Collins 75S se
Solid State replacement for 6BF5 in Collins 75S se
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Current price: $63.00 (8 bids)
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
Ends in 13 Days 17 Hours 42 Minutes 35 Seconds
Current price: $1,688.00 (0 bids)
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
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Current price: $703.00 (0 bids)
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Ends in 15 Days 4 Hours 14 Minutes 51 Seconds
Current price: $653.00 (0 bids)
COLLINS 75S-1,75S-2 , 75S-3 Receiver  front panel
COLLINS 75S-1,75S-2 , 75S-3 Receiver front panel
Ends in 16 Days 6 Hours 56 Minutes 6 Seconds
Current price: $14.95 (2 bids)
Collins 75s-1 receiver  Instruction book
Collins 75s-1 receiver Instruction book
Ends in 16 Days 11 Hours 16 Minutes 10 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 15 Hours 11 Minutes 42 Seconds
Current price: $19.50 (0 bids)
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
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Current price: $12.45 (5 bids)
COLLINS 75S-1,75S-2 , 75S-3 Receiver  front panel
COLLINS 75S-1,75S-2 , 75S-3 Receiver front panel
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Current price: $15.99 (0 bids)
Collins 75S-1 Ham Radio Receiver Vintage Serial #
Collins 75S-1 Ham Radio Receiver Vintage Serial #
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Current price: $499.00 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
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Current price: $10.00 (0 bids)
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
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Current price: $5.00 (9 bids)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 27 Days 5 Hours 11 Minutes 13 Seconds
Current price: $44.97 (16 bids)
COLLINS 75S-3B/C Receiver Tube Set
COLLINS 75S-3B/C Receiver Tube Set
Ends in 27 Days 5 Hours 13 Minutes 40 Seconds
Current price: $62.97 (17 bids)

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