[Collins] Collins 75A4 and accessories For Sale

[Ken, W8EK]

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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