5/26/2023 0 Comments Full range driver open baffle![]() ![]() ![]() Such was the thinking of Danny Richie of GR Research, who specializes in OB speaker design, when he learned of the new servo-feedback system by fellow Texas resident Brian Ding, designer and owner of Rythmik Audio. Now, imagine taking the intrinsic advantages of the OB woofer, and combining that with the benefits of servo-feedback, long used in some very high quality woofer systems (including the bass columns of the Infinity IRS and RS-1b loudspeakers, as well as the well known subs of Velodyne). Once again, the intrinsic capabilities of the driver is a prime determiner in the quality of the sub or woofer. The disadvantages include the less-maximum-output-capability of OB designs. But the stopping and starting characteristics of the woofer driver is a determining factor as well. No enclosure resonances (though even the baffle, if insufficiently engineered, can itself be resonant), no room loading in the side-to-side plane (due to the figure-of-8 radiation characteristics of all dipoles, even at low frequencies), both making possible less boomy sound. Seanheis1, an open baffle sub, or even woofer, has advantages and disadvantages in comparison to boxed ones, whether sealed, ported, or infinite baffle.
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