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Subject: [Amps] hENRY 2K-3 FAN NOISE
From: (k7rdx)
Date: Wed, 28 Aug 2002 16:54:16 -0700
>From my experiance with various fans and blowers I have found ball bearing
blowers/fans to be much louder than blowers with oil impregnated bushings.
Blade balance is the other noise factor...In other words$$ makes better
blowers both from the standpoint of less vibration (superior balance) and
better CFM control. For those wanting relatively quiet amps, remote blower
mounting might be an option.Regards to all on the list...Jim K7RDX
----- Original Message -----
From: Phil Clements <>
To: Al Burroughs <>; <>
Sent: Wednesday, August 28, 2002 2:42 PM
Subject: Re: [Amps] hENRY 2K-3 FAN NOISE

> > I acquired a Henry 2k-3 amp tabletop amp that works fine but the
> > fan noise is so bad I have to keep it 20 feet away.  Does anyone have a
> > solution to this problem?? I have it supported on a piece of foam, which
> > does help, but I think mechanical vibration of the case is causing most
> > the problem.
> > 73, Alan
> > AD6MT
> Have you cleaned the blades really good, and checked to see
> that they are balanced? The procedure is somewhat akin to
> balancing a ceiling fan or tire.
> (((73)))
> Phil, K5PC
> _______________________________________________
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