o0O Bill O0o Posted March 1, 2013 Share Posted March 1, 2013 I am looking at crossover upgrades and trying to make decisions in a vacuum. Without going into the details, Is the round magnet K77 is lower efficiency then the K55? Klipschorns Best, Bill Quote Link to comment Share on other sites More sharing options...
Don Richard Posted March 1, 2013 Share Posted March 1, 2013 Yes, that's the one of the reasons for the autoformer. i'm not really sure but I think the K77 is 104 dB/W/M while the K55 is 108 dB/W/M. Quote Link to comment Share on other sites More sharing options...
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