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[AMPS] [amps]Emtron fan problem

To: <amps@contesting.com>
Subject: [AMPS] [amps]Emtron fan problem
From: 2@vc.net (measures)
Date: Sun, 21 May 2000 10:38:56 -0700
>
>I recently aquired this Australian made amplifier. It uses a single
>4CX800A. The air flow generated by the fan   is not sufficient to keep
>the tetrode at  safe operating temperature which in turn causes the
>protection circuit  to come on all the time (amp does not go on txmit).
>My qth is 7000 ft above sea level. The stock fan is about 103CFM.  I
>added another fan piggyback to the original one but the noise is
>unbearable. Has anyone had a similar experience with this amp. Does
>anyone know of a good source from where I can get a good quality fan ?
>
Forcing enough air through an axial flow anode-cooler is best 
accomplished with a centrifugal blower.  Fans do not make enough air 
pressure. 

cheers, Jorge

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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