[Amps] Quiet Cooling

[R.Measures]

On Sep 6, 2004, at 11:16 AM, Harold B. Mandel wrote:

> Sirs,
>
> The thread about quiet cooling of amplifiers made me think back to
> my college days when among studies of alcoholic consumption,
> music appreciation and techniques for attracting YL's I studied
> pipe organ construction and repair.
>
> The musicians do not want to hear the air blower mechanism when they're
> keyboarding and neither does any audience or congregation.
>
> What pipe organ builders do is to isolate the blower in another room
> and use a "wind-column" to supply the wind chests under the pipes
> with pressurized air.
>
> Could not this technique be applied to amplifiers? Remove the noisy
> blower from the shack and connect flexible hose to a clamped fitting
> on any equipment needing cooling. A much beefier fan could be
> employed than would fashionably fit on a rear apron, and a
> manifold system could be arranged so that more than one piece of
> gear could benefit
>
Much of the noise coming from a tetrode with handles amplifier issues 
from the anode cooler.

> Hal
> W4HBM
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org