[RFI] RFI Resistant (and high quality) Computer Speakers???

Kelly Johnson n6kj.kelly at gmail.com
Wed Nov 7 01:00:46 EST 2007


I don't care about VHF/UHF RFI.  I only care about HF.  What's my
budget?  I don't know.  $200 maybe?  BTW, I also don't mind making
them "RFI Resistant" with ferrites either.  I had to do that with my
sub-woofer which would "thump" whenever I keyed up on 80 meters until
I added a single toroid.


On 11/6/07, Jim Brown <jim at audiosystemsgroup.com> wrote:
> On Tue, 6 Nov 2007 17:26:29 -0800, Kelly Johnson wrote:
>
> >I need a new pair of computer speakers.  I want good ones.  They need
> >to put out a decent amount of power.  Little 2Watt or 5Watt guys
> >aren't going to cut it.  That rules out the new "RFI-Proof" computer
> >speakers from West Mountain Radio.  So, anyone know some high
> >performance computer speakers that are reasonably immune to RFI?
>
> What's your budget?  At every pro audio trade show, I walk around with my
> 2m/440 talkie, seeing what mischief I can cause in the gear on display on
> the floor. So far, I've never seen ANY loudspeaker with a built-in amp
> that didn't' detect VHF/UHF RF. That's the bad news.
>
> The good news is that while the Mackie HR824's will run their woofers to
> their limits on a 2W 2m talkie across a small room, they've given me NO
> grief at all with 1kW on HF, even in Chicago where one antenna was a long
> wire running a few feet from them. YMMV. They're great sounding
> loudspeakers -- or at least they were, before corporate acquisitions
> changed a lot of things. Maybe they still are.
>
> 73,
>
> Jim K9YC
>
>
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