Open Baffle High Efficiency speakers, setup for reference

The first Heil tweeter was a dipole design like an open baffle and it operated from about 800 Hz to above 20 Khz with high accuracy and efficiency Once the

RandyB is correct about the low acoustical output of OB woofers, which is why I built slot loaded U-frames similar to the photo below for my

slot deposit 3000 Linkwitz' open baffle woofers by at least a decade The story of my pair of slot loaded or AMT or whatchamacallem woofer

slot kakek petir RandyB is correct about the low acoustical output of OB woofers, which is why I built slot loaded U-frames similar to the photo below for my