I'll second that as a good idea. Also you may wish to mount the blower on
rubber bushes to stop the vibrations from using the amp chassis as a soundbox
and putting sound-deadening lagging in short pieces of plastic drainpipe around
the air entry and exit vents.
Or build something with a water cooled tube. Or even a vapour phase cooled
tube as per the 'Stanley Steamer' in the old Eimac bulletin. The latter using
the latent heat of evaporation is the most effective cooling method of the lot
Cheers
Dave G0OIL
-----Original Message-----
From: donroden@hiwaay.net
To: amps@contesting.com
Sent: 16/12/2009 00:51
Subject: Re: [Amps] Alternative cooling strategies for SB-220?
Build an enclosure that vents out the back... equipment built into
the wall concept. That will drop the noise at least by half.
Don WA4NPL
Quoting "Bill W5WVO" <w5wvo@cybermesa.net>:
> It already has, apparently. However, it was a serious question,
> despite the obvious reality that some guys think wanting to reduce
> the level of ambient noise in the shack is stupid. I'm sure there
> must be some who share my desire for peace and quiet. :-)
[truncated by sender]
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