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1. [TenTec] Reducing hum on Ten Tec 255 supply (score: 1): Author: Steve Ireland <vk6vz@arach.net.au>; Date: Sat, 01 Oct 2005 13:06:24 +0800; G'day Does anyone have any ideas about reducing the (mains transformer?) physical audible hum from a Ten Tec 255 power supply? The actual 50Hz vibrations from the 255 seem pretty high - does anyone o; /archives//html/TenTec/2005-10/msg00001.html (7,023 bytes)
2. Re: [TenTec] Reducing hum on Ten Tec 255 supply (score: 1): Author: "Lyle Dunlap" <lyle3dd@grics.net>; Date: Mon, 3 Oct 2005 15:34:18 -0500; Hi Steve, What I would do being one who now and then winds xformers. Dip it in electrical varnish, pull vacuum on it and then bake it. Probably a lot of work if your not set up for it. Probably some; /archives//html/TenTec/2005-10/msg00097.html (7,421 bytes)
3. Re: [TenTec] Reducing hum on Ten Tec 255 supply (score: 1): Author: "Mike Hyder -N4NT-" <n4nt_m_o_hyder@charter.net>; Date: Mon, 3 Oct 2005 17:24:34 -0400; I was at Ten-Tec once and they showed me where they did that "potting." Dunno which ones they potted, though. Mike N4NT Hi Steve, What I would do being one who now and then winds xformers. Dip it in; /archives//html/TenTec/2005-10/msg00098.html (8,088 bytes)

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