[Amps] Fan Noise in GS-35b Amplifiers

[donroden at hiwaay.net]

Quoting Carl <km1h at jeremy.mv.com>:

> Dont overlook a good muffin fan either. The EBM Papst 4600N was used  
> in later production LK-800's using the 3 3CPX800A7's at about 3100V.  
> That is a lot of fin area and back pressure.

I ran a quad of 4cx250b s using a pair of stacked muffins for the  
extra back pressure.  fairly quiet and compact.

Don W4DNR