It either increases the electronic distortion by over driving a component, amp, EQ, or pre-amp, or it makes the ringing more irritating. You can't correct for resonances in the room which will absorb energy, flexing walls etc, or ring with a specific freq. Another issue we learned from year previously with Don Davis and Syn-aud-con was you never add with filters only subtract. The ear doesn't recognize the difference between early arrival times and later arrival times unless well trained. Ohter wise you end up with the issue you had.

Xr-7's have a very short Dc, the critical distance, and therefore if you try to voice the speakers at the listeners position the room is a big contributing factor, so sometimes you EQ room above 300 hz up close and below at the listening position and splice the two together based on the 300 Hz octave. That's why I PREFER LINE ARRAY SPEAKERS, they take away some of the rooms ability to screw up imagery. While others wanted to tinker with the direct sound to get the over all balance correct. We always had the debate about the fact you can only EQ the direct sound, and it depended on the acoustics of the room to get the reverberant field correct. Well, if you have been to TEF school, you got a real eye awakening. Someday I will share about my TEF training at Crown's international service manager's church in Elkhart. I am sure new computer based measuring methods are coming out everyday. The caps just allow you to set where the controls work. Their input guided and influenced how I dialed in their speakers, it was no longer a cold engineering exercise. I would then measure after listening with them to get their input. I encouraged the new owner to use the tools available in their Mac preamp to experiment, find what they found to be right. I began to do this equalization a week or so after the new owner took delivery. All were scheptical about this 1.5 dB acuity, but after the others got off the line, Sidney gave me the math equations to formulate new filters and make a special filter to solve this issue.

Next morning there was a message waiting for me and I ended up in a four way conversation with Roger, Sidney, and Gordon. After explaining that yes this client could hear 1.5 dB and I explained how he did Gordon stated ' we need Sidney'. So that night when I got home I called Gordon. So the client taught me.he showed me how the operatic singer jumped to the right when singing that note.her voice moved over about 7 or 8 inches. I could not hear it but it was driving him crazy. After taking out the major anomalies I was left with a 1.5 dB dip in the LH speaker compared to the RH speaker. On evening I went out to measure a pair of XR7s in a local music professionals home.

Originally it was an engineering exercise.take out the peaks and valleys, smooth out the curve, because as engineers we knew wave therory.ДЄfter Gordon chose our storefront to premier the XRT20s in the Midwest, which I of course had dialed in with a MQ104, he and I began a discourse on what was happening with speakers out in the real world. The method of utilizing the 104/107 changed over time.

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