krzys;691756 Wrote: > I'm listening in the exact same position; my head is around 30 cm (a > foot) from the wall. I installed an acoustic panel (25 mm thick) just > behind. I'm using an Apex mike, omnidirectional (nearly all those mikes > are made from the same W61 Panasonic capsule), pointed between the > loudspeakers. In my system the sound is more focused (centered) with > the DRC correction than without! > What I'm saying is that the near wall position is not the cause for the > focus problem, nor is the omnidirectional mike. I never heard that > somebody has used a cardioid mike for speaker measurements, but I'm not > an expert. Look at those results, same behaviour for all of them, > Behringer is good enough. http://www.realtraps.com/art_microphones.htm > , read carefully, the mikes curves ARE flat, the measured source is > not. > > A word about my system, it is a 5 way system, tapped subwoofer horn, > two direct bass drivers and horns for medium and highs, digitally > crossed and time aligned BEFORE the DRC application. This system is > TOTALLY flexible, even too much since I'm able to obtain the best or > the worst depending of my errors. A typical error would be a phase > inversion on one channel, DRC cannot correct that, the obtained filter > is wrong and the sound becomes unfocused, not in phase. DRC has its > limits. > > Evdplancke, what speakers are you using? Try different mike > orientations. Check the impulse response, are both channels similar? > Ask Brent from Audiolense, send him your measurements. With Audiolense > it is rather easy to get good filters compared to the DRC itself. It > takes me 5 minutes ;-) > Chris
Sorry I've edited my post... I must have been on drugs... I meant omni not cardiod! (doh!). -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal... Touch(wired/W7)+Teddy Pardo PSU - Audiolense 3.3/2.0+INGUZ DRC - MF M1 DAC - Linn 5103 - full Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Pekin Tuner, Townsend Supertweeters,VdH Toslink,Kimber 8TC Speaker & Chord Signature Plus Interconnect cables Stax4070+SRM7/II phones Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything. ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=93393 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/audiophiles
