[Amps] fan experts

[R.Measures]

On Jan 29, 2006, at 5:40 AM, peter.voelpel wrote:

> I use those EBM blowers with my amps for 30 years, I never had Problem.
> I select them much larger then necessary and use a variac to reduce the
> speed, they are extremely quiet then.

Reducing the voltage supplied to a capacitor-run AC motor is not good  
engineering practice.
>
> http://www.ebmpapst.com/index/sid/F420D591-0E0B-4EF1-A405 
> -18C596D5DC85/nid/4
> 3A307D4-8AF5-4973-8F4E-BC75587DDD7A/start.asp
>
> 73
> Peter
>
> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]  
> On
> Behalf Of Mike Bondarev
> Sent: Sonntag, 29. Januar 2006 14:23
> To: Amps at contesting.com
> Subject: Re: [Amps] fan experts
>
> This is the same blower as used in OM-2500 PA. I saw this amp. during
> Contest Club Finland meeting last weekend. Looks very nice inside.
> Look at
> http://www.galco.com/scripts/cgiip.exe/WService=Galco-Web/WA/WCat/ 
> Catalog.ht
> m?listtype=Catalog&search-part=D2E097-BE01-65-EBM
> This is what I need! But how to buy? The on line shop is for W/VE only!
> I'm crying!
>
>>> does anyone know a good fan expert, seems we need one bad, real bad,
>
>> I'm no expert, but those German blowers with the pot metal housings  
>> and
>> capacitor start are the finest and quietest I've ever used.
>
>> (((73)))
>> Phil Clements, K5PC
>
>
>
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org