georgehifi Posted June 4, 2017 Share Posted June 4, 2017 Just to add to my last post, Kenwood years back did a simpler version of what I explained, and instead of have speaker and speaker wire included into the amps feedback network like we did in the 70's, they just included the speaker wire into the feedback, using a third speaker cable. Kenwood called theirs "Sigma Drive" which only took the speaker cable (not the speaker) as well into the feedback network, not as dramatic as what we did, but which was more practical as it could be used with all speakers. Where our system was only successful with speakers without xovers EG: full range drivers, twin cones, horns, and as I said I would have love to have tried it on a pair of Bose 901's Cheers George Link to comment Share on other sites More sharing options...
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