http://rocky.digikey.com/scripts/ProductInfo.dll?Site=US&V=25&M=028858
Paul, here is the fan I replaced the old Dentron one with, it is a direct
replacement and is much quieter than the original. Don't know about using
the one from radio shack, I can't imagine it has the same air flow as the
original. As Carl noted you can lower the 330 Ohm resister with this fan
and speed it up with less noise than the original.
COMAIR ROTRON
WHISPER XL MODEL WX-H1
Part # 028858
115v .19/.15 amp 50/60 Hz
Hope this helps you out, I got this one off eBay, just do a search for
Comair. Or go to Dig key link above.
All the best,
Mike K6BR
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of Paul Manuel
Sent: Friday, January 28, 2011 7:05 AM
To: amps@contesting.com
Subject: Re: [Amps] adding fan to Clipperton L
--- On Fri, 1/28/11, Carl <km1h@jeremy.mv.com> wrote:
> More air wont hurt but how hot is
> hot? The existing fan can also be sped up
> by reducing the value of the 330 Ohm series resistor.
>
> Remember a basic rule.....fans cause noise as air flow
> increases.
Carl,
Thanks for the reply. The fan on the back is a replacement a previous owner
got from Radio Shack, so it might not move as much air as the original.
The top of the amp gets hotter than I would like so unless there is some
reason not to, I think I will put a fan on the right side blowing in. I'm
not worried about the noise, I almost always use headphones.
73, Paul K4PSDM
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