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Total 7 documents matching your query.

1. [CQ-Contest] Mixer (score: 1): Author: Joe <nss@mwt.net>; Date: Sun, 24 Jun 2012 21:31:51 -0500; Does anyone have some design to home brew a multiple headphone ummm Mixer? Ya know plug into a headphone jack and be able to have multiple headphones plugged in. I'm thinking say two to three or so h; /archives//html/CQ-Contest/2012-06/msg00281.html (6,953 bytes)
2. Re: [CQ-Contest] Mixer (score: 1): Author: Michael Dinkelman <mwdink@yahoo.com>; Date: Mon, 25 Jun 2012 08:08:23 -0700 (PDT); I know you are looking for a home brew design but we use one at Field Day. $18 from Amazon, $25 after tax and shipping. Hard to build one at that cost Pyle-Pro PHA40 4-Channel Stereo Headphone Amplif; /archives//html/CQ-Contest/2012-06/msg00296.html (8,340 bytes)
3. Re: [CQ-Contest] Mixer (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Mon, 25 Jun 2012 11:14:45 -0400; Thank goodness, a non-volatile post. :-) I have a distribution system in my rooms. I use the speaker outputs of radios into a backwards connected 1-2 watt transistor output transformer, like one of t; /archives//html/CQ-Contest/2012-06/msg00298.html (8,818 bytes)
4. Re: [CQ-Contest] Mixer (score: 1): Author: BobK8IA@aol.com; Date: Mon, 25 Jun 2012 11:38:24 -0400 (EDT); Good find, Dink. Plus, Amazon has free shipping on orders over $25, so add something for about $7 and get the order shipped for nada. 73, Bob K8IA Arizona Outlaws Contest Club In a message dated 6/25; /archives//html/CQ-Contest/2012-06/msg00300.html (8,613 bytes)
5. Re: [CQ-Contest] Mixer (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Mon, 25 Jun 2012 13:54:37 -0400; Multiple loads requires a system that distributes audio, like a typical 70-volt line output system used for multiple speakers. If he wants multiple load channels from a single source, it has to be a; /archives//html/CQ-Contest/2012-06/msg00304.html (8,414 bytes)
6. Re: [CQ-Contest] Mixer (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Mon, 25 Jun 2012 21:57:44 -0500; I built a little box to add two headsets with independent volume controls. It is powered by 12VDC. I use it with my spotting station, mainly to allow passersby to listen in on the action without usin; /archives//html/CQ-Contest/2012-06/msg00332.html (9,281 bytes)
7. Re: [CQ-Contest] Mixer (score: 1): Author: "Tom W8JI" <w8ji@w8ji.com>; Date: Tue, 26 Jun 2012 08:12:05 -0400; There probably is the potential to drive 20 headsets with a single car stereo IC chip power amplifier. If you use a fairly high power (compared to the power headsets need) audio source with low sour; /archives//html/CQ-Contest/2012-06/msg00338.html (8,222 bytes)

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