[Amps] Resistors -- Ball or sleeve bearings

[donii@sympatico.ca]

Hu Gang
I collect hybrid Yaesus and the older ones have ball bearing fans while 
others have bronze sleeve bearings. Their housings are similar and one 
has to look closely to see the difference. But boy oh boy, can my ears 
tell the difference! The ball bearing ones make a racket while the 
sleeve ones are hardly noticed!
Peter VE2FAR


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