[Amps] tube cooling

Mark Beckwith mark at concertart.com
Sun Feb 15 14:16:09 EST 2004


Vic, you're the second person to make this observation, so I am taking
seriously the thought that MY alpha may be the odd one.  I am checking into
a few things.

My Alpha has the "auxiliary fan" mounted outboard behind the transformer.
This could be part of the problem.

I have a Henry 2K-4AL also.  When I turn it on, it is whisper quiet by
comparison.  SO, I think my Alpha must be off the mark.

Mark, N5OT

----- Original Message ----- 
From: "Vic Rosenthal" <vic at rakefet.com>
To: "Mark Beckwith" <mark at concertart.com>
Cc: <amps at contesting.com>
Sent: Sunday, February 15, 2004 9:19 AM
Subject: Re: [Amps] tube cooling


> Mark Beckwith wrote:
>
> > Let me ask my question another way.  I have an Alpha 86 which is the
loudest
> > thing in my shack.
>
> <snip>
>
> > Does anyone have any thoughts on quieting an Alpha 86?
>
> My only thought is that you must have one heck of a quiet shack if an
> Alpha 86 is loud!  I have one (with the optional extra fan) and it is
> the quietest air-cooled amplifier I have ever had.
>
> If yours is loud, perhaps there is a problem with the bearings in one of
> the fans?
>
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>




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