- 1. [RFI] Computer Speaker RFI (score: 1)
- Author: MGTGAZ" <gustoff@access1.net (MGTGAZ)
- Date: Mon, 20 Sep 1999 21:25:16 -0700
- This is a multi-part message in MIME format. --=_NextPart_000_0032_01BF03AE.A1FBF4A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello fellow RFI'ers: I
- /archives//html/RFI/1999-09/msg00003.html (12,030 bytes)
- 2. [RFI] Computer Speaker RFI (score: 1)
- Author: Blackburn <blackburn@qnet.com> (Blackburn)
- Date: Fri, 24 Sep 1999 16:10:48 -0700
- Mark, This is a very common problem. The first thing to try is common-mode chokes on the speaker wires. Wrap a number of turns (whatever will fit or whatever length of wire is available...more is bet
- /archives//html/RFI/1999-09/msg00005.html (8,740 bytes)
- 3. [RFI] Computer speaker RFI (score: 1)
- Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>
- Date: Mon, 1 Sep 2003 10:14:05 -0500
- Hi everyone: I'm battling a problem with RF getting into the speakers on my PC here in the shack. I had a similar problem with rf getting into my packet tnc when I transmitted on 75 meters and I was
- /archives//html/RFI/2003-09/msg00000.html (7,127 bytes)
- 4. Re: [RFI] Computer speaker RFI (score: 1)
- Author: "Michael Tope" <W4EF@dellroy.com>
- Date: Mon, 1 Sep 2003 11:12:44 -0700
- Rob, Make sure what your battling isn't a ground loop between your computer and your rig. I have +12V rig here (Ten-Tec), and its chassis potential seems to bounce a little with modulation due to the
- /archives//html/RFI/2003-09/msg00001.html (9,143 bytes)
- 5. Re: [RFI] Computer speaker RFI (score: 1)
- Author: Jim Smith <jimsmith@shaw.ca>
- Date: Mon, 01 Sep 2003 20:45:59 -0700
- There is no need to try to match low Zout of sound card (or anything else) to the high Zin of an amplifier. As long as the sound card output level is sufficient to drive the amp it will be fine. 73 d
- /archives//html/RFI/2003-09/msg00002.html (8,546 bytes)
- 6. [RFI] Computer Speaker RFI (score: 1)
- Author: k2qmf@juno.com
- Date: Sun, 1 Mar 2009 10:19:09 -0500
- Hello all, Can anyone recommend or suggest a good cure for RF getting into computer external speakers?? Any help would be very much appreciated... 73, Ted K2QMF ______________________________________
- /archives//html/RFI/2009-03/msg00000.html (6,113 bytes)
- 7. Re: [RFI] Computer Speaker RFI (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Sun, 01 Mar 2009 10:16:47 -0800
- Turn them off. :) But seriously -- I assume you're talking about speakers with built-in power amplifiers, either battery-operated or AC powered. The electronics built into powered loudspeakers are no
- /archives//html/RFI/2009-03/msg00001.html (8,142 bytes)
- 8. Re: [RFI] Computer Speaker RFI (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Sun, 01 Mar 2009 11:17:06 -0800
- Joe, There's a fair chance that a serious multi-turn ferrite choke could fix this problem. Something like 8 turns around a #43 or #31 toroid on each cable that enters the sub-woofer. AND -- if this i
- /archives//html/RFI/2009-03/msg00003.html (7,715 bytes)
- 9. Re: [RFI] Computer Speaker RFI (score: 1)
- Author: "Andy" <ingraham.ma.ultranet@rcn.com>
- Date: Sun, 1 Mar 2009 14:52:17 -0500
- West Mountain Radio has an "RF Interference Resistant Computer Speaker System" ... don't know if it's the same one that was advertised in QST. http://www.westmountainradio.com/COMspkr.htm I have no
- /archives//html/RFI/2009-03/msg00004.html (7,535 bytes)
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