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1964: This is the oldest radio project I still have, and although the photo is recent I built the project in 1964. It's an
 
1964: This is the oldest radio project I still have, and although the photo is recent I built the project in 1964. It's an "all-wave" receiver using a single 6AF11 tube, out of a GE projects book. It was a stupid design and worked poorly, and I was not engineer enough at age 12 to do much to improve it. It was the first radio project I ever built in a chassis.  

From album Jeff Duntemann's Technology Projects


Views: 8204
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10/2005: My 6T9 stereo amp, finished and installed on my server rack.
 
10/2005: My 6T9 stereo amp, finished and installed on my server rack.  

From album Jeff Duntemann's Technology Projects


Views: 7606
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1982: This is my electronics bench/ham shack in Rochester, NY. I put it next to the cold water entry and had a really good earth ground for radio work. It was, of course, a horrible mess at all times.
 
1982: This is my electronics bench/ham shack in Rochester, NY. I put it next to the cold water entry and had a really good earth ground for radio work. It was, of course, a horrible mess at all times.  

From album Jeff Duntemann's Technology Projects


Views: 7515
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1966: After my folks had the kitchen counter replaced, they gave me the old L-shaped counter and I put legs on it as my first workbench. (I was 13.)  It was always buried under mounds of junk.
 
1966: After my folks had the kitchen counter replaced, they gave me the old L-shaped counter and I put legs on it as my first workbench. (I was 13.) It was always buried under mounds of junk.  

From album Jeff Duntemann's Technology Projects


Views: 6646
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Rear view of the 6AF11 all-wave receiver.
 
Rear view of the 6AF11 all-wave receiver.  

From album Jeff Duntemann's Technology Projects


Views: 6602

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