On 12/22/2018 2:08 PM, Bob McGraw K4TAX wrote:
Sounds like RF getting into the audio amps of the speakers. May require ferrite beads with a couple of turns thorough the beads on the audio and power cables.
Powered speakers are historically very RFI susceptible, even high priced ones made for pro use and for the high futility world. I would also be quite concerned about RF noise produced by their power supplies, which are almost all switchers.
73, Jim ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

