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1. [Amps] NFB vs IMD question (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 7 Aug 2013 06:46:09 -0700; A buddy is building the 250w SS HF amp you see in the last few arrl books. Its almost finished. It only requires aprx 7-10 watts of drive to the pair of VRF-151G finals. He also ran a series of tests; /archives//html/Amps/2013-08/msg00059.html (8,108 bytes)
2. Re: [Amps] NFB vs IMD question (score: 1): Author: Larry Benko <xxw0qe@comcast.net>; Date: Wed, 07 Aug 2013 10:25:08 -0600; Jim, I believe you are measuring the IMD of the K3 or at least seeing results that are influenced by the K3. I have made IMD measurements of the K3 and they are not that great and were the best at th; /archives//html/Amps/2013-08/msg00060.html (11,667 bytes)
3. Re: [Amps] NFB vs IMD question (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Wed, 7 Aug 2013 22:36:46 -0500; Hi Jim, According to Collins the IMD reduction is not quite equal to the amount of feedback in an amp. In other words for a 10 db reduction of IMD you will need a little more than 10 db of feedback.; /archives//html/Amps/2013-08/msg00062.html (10,505 bytes)
4. Re: [Amps] NFB vs IMD question (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 7 Aug 2013 22:25:46 -0700; Hi Jim, According to Collins the IMD reduction is not quite equal to the amount of feedback in an amp. In other words for a 10 db reduction of IMD you will need a little more than 10 db of feedback.; /archives//html/Amps/2013-08/msg00063.html (9,748 bytes)

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