opaqueice;229036 Wrote: > www.linkwitzlab.com > > One characteristic of dipoles is that the power in the radiation falls > off faster with distance than for monopoles. As a result I expect > that they excite room modes less than standard box speakers (which are > close to monopoles at low frequencies), but that in the higher > frequencies they produce a higher ratio of reflected sound to direct > sound (since tweeters are pretty directional). It's interesting to > walk behind a pair of Orions - the sound changes, but much less so than > for conventional speakers.
Pardon me, but I believe it is the dipole radiator whose output diminishes less with distance compared to the monopole. Also, "standard box speakers" are not "close to monopoles" at low frequencies. What they do become is omnipolar, or non-directional at the lowest frequencies. And generally speaking, all monopolar speakers dispersion narrows as frequency rises. Hence, they do not produce a "higher ratio of reflected to direct sound", but actually the opposite. -- jdm56 ------------------------------------------------------------------------ jdm56's Profile: http://forums.slimdevices.com/member.php?userid=9919 View this thread: http://forums.slimdevices.com/showthread.php?t=38593 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
