Search the archives for "Noctua."
You will find numerous references to the Noctua NF-A6X25R,
available at Newegg for $15. Use the mounting hardware that
comes with the Noctua, and save all the old fan stuff so you can
restore it all to original if You ever need to.
I installed these about a year ago, and they are indeed quieter
and blow more air. For a 100 watt RTTY contest, I set the fans
at minimum speed = 2, and they never speed up from that level,
despite the heavy duty cycle.
The most irritating part about the stock fans was the whiney
noise they would make while spooling up and down as they changed
speed.
If you're not a contester, you may never hear the fans, so it may
not be an issue :)
Dave Hachadorian, K6LL
Yuma, AZ
-----Original Message-----
From: drewko
Sent: Saturday, January 30, 2016 3:34 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Quiet fans for K3
What are the current options for quiet fans for the K3? My
original fans
are pretty quiet but at this time of the year when the windows
are
closed and the ambient noise level is nil, the fan noise really
starts
to bug me. It's the very slight rattle they make when they start
winding
up.. (In the din of summertime, can't hear myself think, let
alone fan
noise.)
Sources? Prices?
Are the newer Elecraft fans quiet? My PA is only a couple of
years old
so the fans are pretty recent model.
73,
Drew
AF2Z
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