[RFI] Keurig coffee vs Astron Rs35M

Gary Smith Gary at ka1j.com
Wed Apr 9 10:55:43 EDT 2014


Every time I turn on my Keurig K-Cup coffee maker I've been hearing a 
very loud sound like a low loud hum coming from my Astron RS35M power 
supply. I thought it was coming from the studio monitors it was so 
loud. Happens only when the Keurig is on. I've got wraps of power 
line through a large clamp-on ferrite to the Keurig and one on the 
power line to the Astron & on the DC leg coming out. this hum is 
unaffected. I don't believe they are on the same house wiring 
circuit.

Idears?

73,
Gary, KA1J



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