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write your own review of the Collins 75S-1.
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N6CIC
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Rating: 4/5
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Apr 29, 2008 09:41
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Upgraded CW Performance
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Time owned: more than 12 months
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This is my second review on this fine receiver. After searching eBay for over a year I finally was able to purchase the proper Collins CW mechanical filter. INRAD sells the BFO crystal, and I installed both using the procedure on the Collins Collectors website. What a remarkable improvement in CW performance! Collins really should have built this into the radio rather than making it an option.
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N2DTS
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Rating: 4/5
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Nov 17, 2007 19:30
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good for its day
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Time owned: more than 12 months
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Had one of these for quite a while, with no problems. Sure looks like 'real' radio!
Very robust, performance on cw is on the poor side, AM has no filter and is very wide with poor skirts. Very nice on SSB, even today, as long as its not battle conditions.
I think the Drake r4 series outperforms all the Collins S line stuff, but does not look as sharp, and is likely not as robust.
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SSB
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Rating: 4/5
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Feb 10, 2007 23:16
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Over shaddowed.
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Time owned: more than 12 months
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I am being charitable giving this receiver a 4 for performance. Even Collins's at the time superior design gets passed by. This is a good basic receiver but don't expect it to work like the newest stuff. One aspect that has not been over taken in this unit is physical attributes. The quality of the cabinet, knobs, controls, and inner construction make new stuff look like Japanese junk from the 60's compared to the S line.. Quality in construction reeks in Collins radios. But unfortunately, they are beyond their prime by about 25 years.
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N6KYS
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Rating: 5/5
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Feb 10, 2007 20:15
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Quality, even after 47 years!
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Time owned: more than 12 months
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I love my Collins 75S-1. This thing was built with lots of rugged quality in 1959, and still runs strong like it's a new rig today. I use it as a companion to my Heathkit DX-60B transmitter, and could not be happier with its AM reception performance. This receiver has the Waters rejection tuning optional modification, which is a nice feature......no, it WON'T compare to the DSP in your Icom, so don't try and make a comparison, but it's a great feature for this rig. The tubes are all readily available at fleamarkets and on eBay, and none are expensive to obtain. I highly recommend this receiver to any glow-in-the-dark radio enthusiast!
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KA5N
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Rating: 5/5
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Jul 17, 2004 20:05
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A 50 year old that performs like today!
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Time owned: more than 12 months
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I have owned my Collins 75A-1 for over 20 years. When it came time to add the WARC bands I ordered the crystals from Jan Crystals. The 75A-1 and my companion 32S-1 (connected to work as a tranceiver)are champs on 80,40,30,20,17,12 and 10 meters. The received audio is great on SSB and AM I haven't used any data communication with the pair although I am sure they would do fine. The PTO in my unit is right on frequency and smooth!!! While this oldest pair from Collins will operate on CW, it may be difficult to find one (or expensive to buy after market) with a CW filter. The 32S-1 generates CW by injecting a 1350 Hertz tone into the SSB generator to make CW. This gives an offset and CW note of 1350 Hertz. Later versions are better suited for CW operation. On SSB the only comment you are likely to hear is sounds great. Of course you can use the 75A-1 with a separate transmitter.
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