[Elecraft] KPA 500 Hum PC Speakers.

Tue Aug 2 11:57:34 EDT 2011

The hum is due to magnetic field in close proximity of the speaker...usually.
Sometimes RF gets into them usually on the power cord. Ferrite fixes this,
moving the speakers fixes the former.
Chuck, KE9UW

--
View this message in context: http://elecraft.365791.n2.nabble.com/Re-KPA-500-Hum-PC-Speakers-tp6642295p6645333.html
Sent from the Elecraft mailing list archive at Nabble.com.