[Elecraft] OT: Need Recommendations for Powered Speaker for KX3 (WU6R)

Macy monkeys macymonkeys at charter.net
Sat Dec 22 19:57:07 EST 2018


I drive the aux port of my Sangean WR-11 wood cabinet tabletop radio. Sounds fantastic. Best speaker I've found yet; tons of audio, no distortion, no RFI.

John K7FD

> On Dec 22, 2018, at 3:03 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
>> 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
> 
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