Chris A Posted August 4, 2014 Share Posted August 4, 2014 (edited) Crossover is at 40Hz, phase 0, gain about 12:00. Then I have no idea why you're noticing a difference in the mids. The question that I asked in post #15 was based on placing such large reflective surfaces (the subs) that close to the front or sides of the Khorns with the reflective electronics boxes on top of the subs, which represents a discontinuity in the near field of the Khorn midrange horns/drivers/baffles I believe that we all have different sensitivities to in-room acoustics changes. Note that my question was legit: I simply wanted to know if Dave M. heard any differences. YMMV. Chris Edited August 4, 2014 by Chris A Quote Link to comment Share on other sites More sharing options...
Mallette Posted August 4, 2014 Author Share Posted August 4, 2014 Chris, if any, only an improvement. "Accuracy" is, while having a clear definition, much more difficult to define to more than one individual's satisfaction. I long ago quit trying, hence "If it SOUNDS good, it IS good." Dave Quote Link to comment Share on other sites More sharing options...
Moderators dtel Posted August 7, 2014 Moderators Share Posted August 7, 2014 Congratulations Dave, with your love for pipe organs you of all people needed a sub, glad it's sounding good to you. Quote Link to comment Share on other sites More sharing options...
Sancho Panza Posted August 7, 2014 Share Posted August 7, 2014 I like organ music occasionally; have a couple of CDs, Bach is nice. All the above so I may find this thread easier, later. Quote Link to comment Share on other sites More sharing options...
cradeldorf Posted August 7, 2014 Share Posted August 7, 2014 The pipe organ on No quarter (The Song remains the same soundtrack) is the only impressive pipe organ I have but I bet it would be better on your system. Quote Link to comment Share on other sites More sharing options...
DizRotus Posted August 7, 2014 Share Posted August 7, 2014 Is the plate amp receiving a full signal or is the signal coming out of a "sub" or "LFE" out jack of a preamp? If you're using speaker wires to the plate amp, tell me exactly how you've wired it. This is a great thread. Am I confused (always, but I mean about Dave's amp), is the SA230 a "plate amp" in a case? The amp appears to be more elaborate or sophisticated than my Dayton 240 plate amps. Quote Link to comment Share on other sites More sharing options...
ClaudeJ1 Posted August 7, 2014 Share Posted August 7, 2014 Any changes in your upper ranges, Michael? I'd be curious to know all your settings on the plate amp. Subsonic filter and EQ knob set to 20hz crossovers disabled phase set to 0 parametric EQ's bypassed and then whatever magic Audyssey XT32 does. Really glad to see another Audyssey XT32 fan best thing in the world for horns. Quote Link to comment Share on other sites More sharing options...
Mallette Posted August 7, 2014 Author Share Posted August 7, 2014 (edited) Not a plate amp. No place to mount one on the Cinema. 230w appears to be adequate to break windows whilst the horn doesn't break a sweat. BTW, the bass drum on the old Telarc Frederic Fennel/Eastman Wind recording of the Holst E-Flat Suite is downright startling. I recall that when I purchased it decades ago the shrink wrap had a warning about that...but I never really took it seriously until the sofa behind my head appeared to flex under me. Also, the image on the monitor on the wall went quite blurry with each pulse. Dave Edited August 7, 2014 by Mallette Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted August 7, 2014 Share Posted August 7, 2014 It's been so long since we built the box and bought the parts that I had forgotten what you had. Quote Link to comment Share on other sites More sharing options...
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