Fw: [CQ-Contest] Hum and stubs

Rex Maner k7qq at netzero.net
Fri Jul 5 05:04:55 EDT 2002

Perfect Fix
Turn the speakers OFF

----- Original Message -----
From: "Barry " <w2up at mindspring.com>
To: <cq-contest at contesting.com>
Sent: Thursday, July 04, 2002 15:11
Subject: [CQ-Contest] Hum and stubs

> Recently installed a new computer and having an odd problem.
> When transmitting with the amp on, I get hum in my computer speakers
> (Harman Kardon with a subwoofer and 2 tweeters), but only when my
> stubs are switched in, and only on 15m. It's either coming from the
> speakers' AC line or the connection between speakers, as the hum is
> still there when not connected to the computer. I've tried ferrites on the
> audio and AC lines, but that didn't help. Ideas?
> Tnx,
> Barry--
> Barry Kutner, W2UP              Internet: w2up at mindspring.com
> Newtown, PA                     Frankford Radio Club
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> CQ-Contest mailing list
> CQ-Contest at contesting.com
> http://lists.contesting.com/mailman/listinfo/cq-contest

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