[TenTec] Quieting fan

[Ken Brown]

Hi Gary,

The original post was in regards to an amplifier which uses a pair 
(maybe 4) 572B triodes. These are glass envelope tubes. While it may be 
possible to precool the air using a chilled water system, there would 
still be a need for a fan to blow the air across the tube envelopes. 
Perhaps the air flow rate could be reduced and the fan could be quieter 
using cooler air.

There are water cooled tubes and conduction cooled tubes, which could 
reasonably incorporate a liquid heat transfer media. In the case of 
glass envelope tubes I really see no reasonable way that water cooling 
could be applied.

DE N6KB