This brings up a good point. How does one go about
determining how much airflow a set of tubes require and the
backflow they create? Is that info normally found on the
tube spec sheet somewhere? What does a pair of 3CX800A7's
require?
Thanks, Bob
----- Original Message Follows -----
From: "Dr. David Kirkby" <david.kirkby@onetel.net>
To: Mike Bondarev a <mikebond@tochka.ru>,
"amps@contesting.com" <amps@contesting.com>
Subject: Re: [Amps] What blower?
Date: Fri, 27 Jan 2006 23:19:33 +0000
> Mike Bondarev wrote:
> > Hi there!
> > I'm a newcomer to this list and this is my first mail.
> > I'm now in the process of collecting parts for my home
> > brew project. It will be GC GU-84B (or maybe GU-78B)
> > amplifier. I would like to buy Dayton 4C763 98CFM
> > blower. I have just one source:
> > http://www.electricmotorwarehouse.com/dayton_blower.htm
> Anyone can tell me, if this blower will not make to much
> > noises and maybe there are some other sources for good
> > blowers?
> > Regards, Mike RL3BM
>
> Hi,
>
> You are approaching this the wrong way.
>
> You should first get the data sheet on the tube and see
> what airflow it needs and what back pressue will be
> developed at that flow.
>
> Then you look at the fan data sheets to find one that
> provides the flow.
>
> Then, and only then, should you worry about the noise.
>
> If the fan is totally silent but so small your tube melts,
> it has not been a good choice.
>
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