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 manual w/ 35’ schematic »R²
Collins 75S-1 manual w/ 35’ schematic »R²
Ends in 18 Hours 29 Minutes
Current price: $14.95 (0 bids)
Collins 75S-3/75S-3A manual w/44’ schematic
Collins 75S-3/75S-3A manual w/44’ schematic
Ends in 18 Hours 29 Minutes 2 Seconds
Current price: $13.95 (1 bid)
Collins 75S-3B/75S-3C manual w/43’ schematic
Collins 75S-3B/75S-3C manual w/43’ schematic
Ends in 18 Hours 29 Minutes 5 Seconds
Current price: $14.95 (0 bids)
Collins 75-S1 S-meter with Light V.G. Condition
Collins 75-S1 S-meter with Light V.G. Condition
Ends in 1 Days 19 Hours 28 Minutes 21 Seconds
Current price: $30.00 (0 bids)
Collins 75s-1 Manual Reprint
Collins 75s-1 Manual Reprint
Ends in 3 Days 10 Hours 59 Minutes 41 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 3 Days 14 Hours 45 Minutes 1 Seconds
Current price: $44.99 (20 bids)
Collins  75S-3  &  75S3B  receivers
Collins 75S-3 & 75S3B receivers
Ends in 5 Days 10 Hours 6 Minutes 42 Seconds
Current price: $78.00 (0 bids)
Collins 75S-1 NEW Capacitor Replacement Kit
Collins 75S-1 NEW Capacitor Replacement Kit
Ends in 5 Days 13 Hours 23 Minutes 35 Seconds
Current price: $64.99 (74 bids)
Collins 75S-3 & 75S-3A  NEW Capacitor Replacem
Collins 75S-3 & 75S-3A NEW Capacitor Replacem
Ends in 5 Days 13 Hours 23 Minutes 38 Seconds
Current price: $64.99 (60 bids)
Collins 75S-3B & 75S-3C  NEW Capacitor Replace
Collins 75S-3B & 75S-3C NEW Capacitor Replace
Ends in 5 Days 13 Hours 23 Minutes 41 Seconds
Current price: $64.99 (84 bids)
Collins 75S-1 Receiver with Waters Q Multiplier No
Collins 75S-1 Receiver with Waters Q Multiplier No
Ends in 5 Days 17 Hours 57 Minutes 17 Seconds
Current price: $290.00 (7 bids)
Collins 75S-1  Full Set of Inlays for Front Panel
Collins 75S-1 Full Set of Inlays for Front Panel
Ends in 5 Days 18 Hours 38 Minutes 47 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 5 Days 18 Hours 38 Minutes 51 Seconds
Current price: $10.99 (109 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 6 Days 10 Hours 6 Minutes 24 Seconds
Current price: $65.00 (209 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 6 Days 10 Hours 7 Minutes 39 Seconds
Current price: $55.00 (129 bids)
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
Ends in 7 Days 23 Hours 7 Minutes 44 Seconds
Current price: $1,288.00 (0 bids)
COLLINS 75S-1 ESCUTCHEON EX. COND
COLLINS 75S-1 ESCUTCHEON EX. COND
Ends in 8 Days 17 Hours 35 Minutes 4 Seconds
Current price: $34.95 (1 bid)
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Collins 75S-1 AM / CW / SSB Ham Radio Receiver w/
Ends in 9 Days 9 Hours 39 Minutes 57 Seconds
Current price: $632.70 (0 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 9 Days 15 Hours 46 Minutes 28 Seconds
Current price: $29.95 (8 bids)
COLLINS 75S-1,75S-2 , 75S-3 Receiver  front panel
COLLINS 75S-1,75S-2 , 75S-3 Receiver front panel
Ends in 10 Days 12 Hours 21 Minutes 15 Seconds
Current price: $14.95 (2 bids)
Collins 75s-1 receiver  Instruction book
Collins 75s-1 receiver Instruction book
Ends in 10 Days 16 Hours 41 Minutes 19 Seconds
Current price: $20.00 (0 bids)
Collins 75S-3 and 3A Manual Reprint
Collins 75S-3 and 3A Manual Reprint
Ends in 10 Days 20 Hours 36 Minutes 51 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 11 Days 7 Hours 50 Minutes 57 Seconds
Current price: $5.00 (0 bids)
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Collins 75S-3 75S-3A Receiver Manual HAM RADIO
Ends in 12 Days 15 Hours 40 Minutes 54 Seconds
Current price: $12.45 (6 bids)
MANUAL for COLLINS 75S-3 and 75S-3A RECEIVER
MANUAL for COLLINS 75S-3 and 75S-3A RECEIVER
Ends in 12 Days 17 Hours 41 Minutes 30 Seconds
Current price: $29.99 (0 bids)
Collins 75S-3C  HF Receiver Front Panel Overlay Ne
Collins 75S-3C HF Receiver Front Panel Overlay Ne
Ends in 16 Days 19 Hours 13 Minutes 30 Seconds
Current price: $199.00 (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 19 Hours 53 Minutes 53 Seconds
Current price: $15.99 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
Ends in 18 Days 16 Hours 48 Minutes 56 Seconds
Current price: $10.00 (1 bid)
Collins 75S-3B and 3C Manual Reprint
Collins 75S-3B and 3C Manual Reprint
Ends in 19 Days 4 Hours 5 Minutes 41 Seconds
Current price: $19.50 (0 bids)
COLLINS 75S-3 Receiver Tube Set
COLLINS 75S-3 Receiver Tube Set
Ends in 20 Days 2 Hours 26 Minutes 29 Seconds
Current price: $69.97 (0 bids)
COLLINS 75S3-A Receiver Tube Set
COLLINS 75S3-A Receiver Tube Set
Ends in 20 Days 3 Hours 20 Minutes 56 Seconds
Current price: $65.97 (1 bid)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 21 Days 10 Hours 36 Minutes 22 Seconds
Current price: $49.97 (18 bids)
COLLINS 75S-3B/C Receiver Tube Set
COLLINS 75S-3B/C Receiver Tube Set
Ends in 21 Days 10 Hours 38 Minutes 49 Seconds
Current price: $69.97 (19 bids)
Original  COLLINS 75S-1  OPERATION  MANUAL - Good
Original COLLINS 75S-1 OPERATION MANUAL - Good
Ends in 22 Days 9 Hours 50 Minutes 20 Seconds
Current price: $17.95 (0 bids)
NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 26 Days 12 Hours 36 Minutes 15 Seconds
Current price: $72.00 (0 bids)
Collins 75S-3B 75S-3C Instruction manual: Premium
Collins 75S-3B 75S-3C Instruction manual: Premium
Ends in 29 Days 20 Hours 36 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 29 Days 20 Hours 37 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 29 Days 20 Hours 37 Seconds
Current price: $17.95 (1 bid)

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