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Radios - Collins 75S-1 1961 |  |
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Radios Collins 75S-1, 1961 First receiver of the famous S-line, made from 1958 to 1961. The 32S-1 transmitter makes it a pair. AM/SSB/CW modes. Covers the 80 - 10 meter amateur bands in 14 200 KHz segmemnts. Has Waters Manufacturing Q-Multiplier/Notch Filter Model 337-75S-1 installed. AF gain is combined with RF gain, rejection tuning is where AF gain control would be. 10 tubes: 6DC6, 6U8A, 6U8A, 6BA6, 6BA6, 6U8A, 6AT6, 6BF5, 6DC6, 6AU6 plus a 12AX7 tube in the Q-Multiplier. With its legendary Collins mechanical filter, this unit has performance comparable to today's rigs, with fewer of the fancy newer features. 
The Michigan Vintage Electronics Club has a
"garage sale" event during Plymouth, MI's Old Village Yard and Trunk Sale, April 26 8am-3pm. Located on Mill St near the RR tracks.
The next Vintage Electronics Expo will be on Saturday, October 4, 2025, 9 am to 3 pm in partnership with The Kalamazoo Hamfest. at the Kalamazoo County Expo Center, 2900 Lake St., Kalamazoo, MI 
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