I don't know about y'all but I have worked around broadcast transmitters
for a good part of my life. Blower noise is not that big a deal to me. Not
hearing that blower noise is something to worry about big time! My computer
has 5 blowers in it and it is just a plain Jane box, not a gaming rig.
Sounds like an idling jet, but I noticed a difference one morning and opened
the box to find that my OEM processor fan had frozen. That saved me over a
hundred bucks for a new one. I know when a fan quits. Same thing for my ham
gear. I want to know that those blowers are running without having to resort
to temperature or air flow alarms, etc. Coping with a bit of noise is a
cheap price to pay versus the cost of a new final.
Don't be cheap when buying blowers. Get one that has ball bearings. It
will last a lot longer. There is usually a label on the fan that states of it
has ball bearings. If the label does not so state, it is a sleeve bearing
model and they don't live long.
I have a ball bearing muffin blower that has been running for nearly 20
years in a make shift arrangement to pump radon gas out of my sealed sump. It
runs in an area of high humidity and is still going strong. If it died
tonight, It wouldn't owe me a thing.
73,
John, W4AWM
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