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Old 7th December 2009   #12
Matt Syson
Lives for gear
 
Joined: Sep 2004
Location: UK
Posts: 4,812

Hi
Sounds like you have it BAD. You really do need to be talking to KRK about this (or dealer).
Power amps can and do demodulate radio and since adjusting the volume on the monitors themselves does not affect the level much or at all it suggests it is a 'power amp fault'. Either an actual 'fault' or possibly poor design with respect to RF rejection.
The remedy could be to put ferrite beads or an 'air wound choke' on the wires to the driver(s) but this should be done under direction of KRK.
Personally I would try slipping a choke or ferrites in there (just as a test) but you would have warranty issues, it depends how you are situated and want to play this.
Good luck
Matt S
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