[Collins] Collins 75A4 and accessories For Sale

[tgrieco at optonline.net]

tnx, 73's
K1syn


        ------ Original Message ------
        From: kenw8ek at gmail.com
        To: tgrieco at optonline.net; collins at mailman.qth.net
        Sent: Wednesday, March 11th 2026, 12:38 PM
        Subject: Re: [Collins] Collins 75A4 and accessories For Sale


  Sorry, Tom, but I do not.

  ham-iv via Collins wrote on 3/11/2026 12:27 PM:
  > Good morning,
  > Wondering if you know anyone in Florida that is qualified to service
  > my 75A4 needing all the caps replaced ?
  > Thanks for your time.
  > K1SYN
  > Tom Grieco
  >
  >
  >         ------ Original Message ------
  >         From: collins at mailman.qth.net
  >         To: collins at mailman.qth.net
  >         Sent: Wednesday, March 11th 2026, 10:35 AM
  >         Subject: [Collins] Collins 75A4 and accessories For Sale
  >
  >
  >
  >   Collins 75A4 Receiver, Filters,
  >   Knobs, and more For Sale:
  >
  >   .
  >
  >   Collins 75A4 Receiver
  >
  >   The Collins 75A-4 is a high quality amateur
  >   band receiver covering the frequency ranges
  >   of 1.5-2.5, 3.2-4.2, 6.8-7.8, 14-15, 20.8-21.8,
  >   26.5-27.5, 28-29 and 29-30 MHz. It has a double
  >   conversion, crystal controlled front end for
  >   high stability and good image rejection. It has
  >   a permeability tuned, sealed master oscillator
  >   for accurate dial calibration. It utilizes
  >   mechanical filters for outstanding selectivity.
  >   Other features include passband tuning, crystal
  >   calibrator, mute line, noise limiter and
  >   Q-multiplier. The radio's controls are very easy
  >   to use. There is a backlit S meter. All lights
  >   work. It requires a speaker.
  >
  >   17.25 x 10.5 x 15.5 inches 35 lbs.
  >
  >   This one has been partially restored. Several
  >   capacitors have obviously been replaced. I have
  >   listened to signals on it. No hum. But it needs
  >   more work. Cosmetically it is OK, but not collector
  >   quality.
  >
  >   Buy it for $300
  >
  >   .
  >
  >   Mechanical Filters for Collins 75A4
  >
  >   I have a pair of Collins mechanical filters
  >   that were used in a Collins 75A4 receiver.
  >   They have been tested, and both work well.
  >   These plug into the 9 pin socket behind the
  >   front panel of the 75A4. It is quite likely
  >   that they can be used in other receivers as well.
  >
  >   300 Hz filter for narrow CW
  >
  >   9000 Hz for AM
  >
  >   Each filter is $195. Buy both of them for $375.
  >
  >   .
  >
  >   Knobs for Collins 75A4 For Sale:
  >
  >   These knobs are for a Collins 75A4 receiver,
  >   although I am sure that they can be used on
  >   other ham rigs as well.
  >
  >   Both are made by Daka-ware, Chicago, and
  >   appear to be new. The smaller, 1 5/8 inch knob,
  >   is still completely sealed, so is new for sure.
  >   The larger 3 inch knob is in a zip lock bag, so
  >   I can not confirm that it is new, but it certainly
  >   looks like it.
  >
  >   Both of these were in a box from a silent key
  >   marked as 75A4 parts.
  >
  >   1 5/8 inch diameter - $15
  >
  >   3 inch diameter $30
  >
  >   Buy both for $42.
  >
  >   .
  >
  >   I also have many other accessories available
  >   such as many different types of microphones,
  >   HTs, VHF and UHF rigs, HF and VHF/UHF antennas,
  >   connectors, miscellaneous accessories, etc.
  >   Just too many to list here. Please e-mail your
  >   requests.
  >
  >   .
  >   Prices do not include shipping from Florida.
  >
  >   Thanks.
  >
  >   73, Ken, W8EK
  >
  >   Ken Simpson
  >   E-mail to W8EK at FLHam.net or W8EK at arrl.net
  >   Voice Phone (352) 732-8400
  >
  >
  >
  >
  >
  >   .
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