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-3 Receiver Tube Set
COLLINS 75S-3 Receiver Tube Set
Ends in 1 Days 5 Hours 49 Minutes 39 Seconds
Current price: $69.97 (1 bid)
COLLINS 75S3-A Receiver Tube Set
COLLINS 75S3-A Receiver Tube Set
Ends in 1 Days 6 Hours 44 Minutes 6 Seconds
Current price: $65.97 (2 bids)
Collins 75S-1 Winged Emblem Vintage Ham Radio Rece
Collins 75S-1 Winged Emblem Vintage Ham Radio Rece
Ends in 1 Days 20 Hours 25 Minutes 48 Seconds
Current price: $380.00 (0 bids)
COLLINS 75S-3 75S-3A Receiver Instruction Manual
COLLINS 75S-3 75S-3A Receiver Instruction Manual
Ends in 3 Days 20 Hours 12 Minutes 6 Seconds
Current price: $10.00 (3 bids)
Original Manual, Collins 75S-3B & 75S-3C Recei
Original Manual, Collins 75S-3B & 75S-3C Recei
Ends in 4 Days 14 Hours 43 Minutes 50 Seconds
Current price: $18.95 (0 bids)
Collins 75S-3B Winged Signature Series Amateur Rad
Collins 75S-3B Winged Signature Series Amateur Rad
Ends in 4 Days 14 Hours 50 Minutes 54 Seconds
Current price: $40.00 (1 bid)
Collins 75S-3C, 32S-3A, 312B-4 Signature Series Am
Collins 75S-3C, 32S-3A, 312B-4 Signature Series Am
Ends in 4 Days 15 Hours 31 Minutes 2 Seconds
Current price: $85.00 (0 bids)
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
COLLINS 75S-3C RECEIVER Vintage RARE ROUND EMBLEM
Ends in 5 Days 2 Hours 30 Minutes 54 Seconds
Current price: $1,128.00 (1 bid)
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 5 Days 18 Hours 8 Minutes 11 Seconds
Current price: $44.99 (35 bids)
NIB tube set for Collins 75S-1  &  75S-2
NIB tube set for Collins 75S-1 & 75S-2
Ends in 7 Days 17 Hours 22 Minutes 24 Seconds
Current price: $72.00 (0 bids)
Original Collins 75S-1 Instruction Book - 1959 - 5
Original Collins 75S-1 Instruction Book - 1959 - 5
Ends in 9 Days 20 Hours 32 Minutes 11 Seconds
Current price: $21.00 (0 bids)
Collins 75S-3B Receiver Original One Sheet Ad Flye
Collins 75S-3B Receiver Original One Sheet Ad Flye
Ends in 11 Days 16 Hours 3 Minutes 41 Seconds
Current price: $19.50 (0 bids)
Collins 75S-3 Receiver Speaker & Manual
Collins 75S-3 Receiver Speaker & Manual
Ends in 12 Days 18 Hours 36 Minutes 32 Seconds
Current price: $907.37 (0 bids)
Collins 75S-1 Receiver Specification Sheet Origina
Collins 75S-1 Receiver Specification Sheet Origina
Ends in 14 Days 8 Hours 42 Minutes 22 Seconds
Current price: $11.60 (0 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S3B/C
COMPLETE TUBE KIT FOR COLLINS 75S3B/C
Ends in 14 Days 13 Hours 29 Minutes 34 Seconds
Current price: $65.00 (223 bids)
COMPLETE  TUBE  KIT  FOR  COLLINS  75S-1
COMPLETE TUBE KIT FOR COLLINS 75S-1
Ends in 14 Days 13 Hours 30 Minutes 49 Seconds
Current price: $55.00 (149 bids)
Collins 75S-3 Winged Signature Series Amateur Radi
Collins 75S-3 Winged Signature Series Amateur Radi
Ends in 14 Days 14 Hours 24 Minutes 42 Seconds
Current price: $40.00 (0 bids)
Collins 75S-3 Signature Series Ham Radio Amateur R
Collins 75S-3 Signature Series Ham Radio Amateur R
Ends in 15 Days 18 Hours 2 Minutes 12 Seconds
Current price: $32.50 (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 9 Hours 37 Minutes 2 Seconds
Current price: $15.99 (3 bids)
COLLINS 75S-1 Receiver, WE
COLLINS 75S-1 Receiver, WE
Ends in 17 Days 20 Hours 51 Minutes 41 Seconds
Current price: $449.00 (0 bids)
Collins 75S1 Escutcheon
Collins 75S1 Escutcheon
Ends in 17 Days 21 Hours 13 Minutes 43 Seconds
Current price: $35.00 (0 bids)
Collins 75S-3 and 3A Manual Reprint
Collins 75S-3 and 3A Manual Reprint
Ends in 18 Days 19 Hours 16 Minutes 31 Seconds
Current price: $19.50 (3 bids)
COLLINS 75S-1 FRONT PANEL OVERLAY
COLLINS 75S-1 FRONT PANEL OVERLAY
Ends in 19 Days 8 Hours 46 Minutes 44 Seconds
Current price: $39.95 (0 bids)
POWER CORD FOR COLLINS 75S-3 RECEIVER
POWER CORD FOR COLLINS 75S-3 RECEIVER
Ends in 19 Days 19 Hours 9 Minutes 38 Seconds
Current price: $29.95 (57 bids)
Collins 75S-1 NEW Capacitor Replacement Kit
Collins 75S-1 NEW Capacitor Replacement Kit
Ends in 20 Days 16 Hours 46 Minutes 45 Seconds
Current price: $64.99 (82 bids)
Collins 75S-3 & 75S-3A  NEW Capacitor Replacem
Collins 75S-3 & 75S-3A NEW Capacitor Replacem
Ends in 20 Days 16 Hours 46 Minutes 48 Seconds
Current price: $64.99 (67 bids)
Collins 75S-3B & 75S-3C  NEW Capacitor Replace
Collins 75S-3B & 75S-3C NEW Capacitor Replace
Ends in 20 Days 16 Hours 46 Minutes 51 Seconds
Current price: $64.99 (89 bids)
Collins 75S-1  Full Set of Inlays for Front Panel
Collins 75S-1 Full Set of Inlays for Front Panel
Ends in 20 Days 22 Hours 1 Minutes 57 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 20 Days 22 Hours 2 Minutes 1 Seconds
Current price: $10.99 (119 bids)
Collins 75s-1 Manual Reprint
Collins 75s-1 Manual Reprint
Ends in 21 Days 6 Hours 6 Minutes 9 Seconds
Current price: $17.95 (1 bid)
Collins 75S1 Ham Communications Receiver
Collins 75S1 Ham Communications Receiver
Ends in 21 Days 17 Hours 31 Minutes 18 Seconds
Current price: $1,000.00 (0 bids)
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Spun Aluminum Knob inlays for Collins 75S-1 or 75S
Ends in 22 Days 11 Hours 14 Minutes 7 Seconds
Current price: $5.00 (9 bids)
Collins 75S-3B 75S-3C Instruction manual: w/ 36&rs
Collins 75S-3B 75S-3C Instruction manual: w/ 36&rs
Ends in 23 Days 23 Hours 23 Minutes 46 Seconds
Current price: $22.95 (31 bids)
Collins 75S-1 Instruction manual - Premium Card St
Collins 75S-1 Instruction manual - Premium Card St
Ends in 23 Days 23 Hours 23 Minutes 47 Seconds
Current price: $18.95 (9 bids)
Collins 75S-3 Instruction manual: 11’ X 44&r
Collins 75S-3 Instruction manual: 11’ X 44&r
Ends in 23 Days 23 Hours 23 Minutes 47 Seconds
Current price: $20.95 (2 bids)
EXCELLENT CONDITION COLLINS 75S-1 80-10 METER SSB/
EXCELLENT CONDITION COLLINS 75S-1 80-10 METER SSB/
Ends in 24 Days 22 Hours 33 Minutes 31 Seconds
Current price: $449.00 (0 bids)
SERVICE BULLETINS: COLLINS 75S-3B AND 75S-3C RECEI
SERVICE BULLETINS: COLLINS 75S-3B AND 75S-3C RECEI
Ends in 25 Days 16 Hours 20 Minutes 48 Seconds
Current price: $15.00 (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 25 Days 19 Hours 8 Minutes 21 Seconds
Current price: $35.00 (2 bids)
COLLINS 75S-1 Receiver Tube Set
COLLINS 75S-1 Receiver Tube Set
Ends in 26 Days 13 Hours 59 Minutes 32 Seconds
Current price: $49.97 (22 bids)
COLLINS 75S-3B/C Receiver Tube Set
COLLINS 75S-3B/C Receiver Tube Set
Ends in 26 Days 14 Hours 1 Minutes 59 Seconds
Current price: $69.97 (24 bids)

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