[Elecraft] KPA-500 fan noise

[riese-k3djc at juno.com]

you guys

add one of these less strain on the fan and ur ears

Bob K3DJC

http://en.wikipedia.org/wiki/Thermoelectric_cooling



n Mon, 2 Jun 2014 08:46:45 -0700 (GMT-07:00) Fred Townsend
<fptownsend at earthlink.net> writes:
> I would hate to think what would happen if a water line breaks. Why 
> not duct the air from a portable AC unit to the KPA-500. Then when 
> the ducting breaks you won't have water all over the place... just 
> cool air.
> Seriously folks, any chance the exhaust air from the KPA is being 
> fed back into the air intake for the KPA? That will heat things up 
> in a hurry. Maybe outside air (depending where you live) ducted to 
> the KPA would keep things cooler. Failing that just empty the 
> contents of the beverage cooler into your stomach and after a while 
> the whole room will be spinning. The fans will be still running but 
> you won't notice.
> 73
> Fred, AE6QL
> 
> -----Original Message-----
> >From: Fred Jensen <k6dgw at foothill.net>
> >Sent: Jun 2, 2014 8:28 AM
> >To: elecraft at mailman.qth.net
> >Subject: Re: [Elecraft] KPA-500 fan noise
> >
> >Our "Beverage Central" is located in my shack.  I was contemplating 
> 
> >putting a heat exchanger on the KAP500 PA's and routing cold water 
> from 
> >the drink fridge through it.  I guess that would class as 
> >"re-engineering?"  Haven't figured out how to get the plumbing out 
> of 
> >the fridge, however.
> >
> >73,
> >
> >Fred K6DGW
> >- Northern California Contest Club
> >- CU in the 2014 Cal QSO Party 4-5 Oct 2014
> >- www.cqp.org
> >
> >On 6/2/2014 8:16 AM, Jim Brown wrote:
> >> On 6/2/2014 7:56 AM, AG0N-3055 wrote:
> >>>> You could always try replacing the fan with a quieter fan.
> >>> I would consider that myself, but only with one recommended by 
> the
> >>> good people at Elecraft.
> >>
> >> It is generally a bad idea to try to re-engineer a product, 
> especially
> >> one that is well designed. In this case, I would consider it a 
> really
> >> bad idea.
> >
> >
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