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Just got Chesky's Ultimate Demonstration Disk. The intro to Track 9, Grandma's Hands, explains how important it is to listen to the finger snaps and compare them to your own.
On my 3.7i's these finger snaps are so high and to the left of the singers' image that I thought something might be wrong with the setup.
Tried tilting the speaker back, changing the damping on the back wall, even covering the back of the tweeter and then the midrange with some felt.
Nothing changed the position of the elevated finger snaps.
Listened to the track on my computer system: small two-way Pioneer speakers with a lousy Sony receiver, set up very near field.
The snaps were about two feet above the left speaker. This 'effect' can also be heard even on the YouTube presentation linked here.
So it is not the result of a line source or dipole speaker, or of the quality of the source or playback system.
Would anyone have an idea as to what causes this phenomenon?
I have the same CD and the finger snaps on my 3.6s are localized above the left speaker also.
It is caused by "pinna transforms, the way in which the shape of the outer ear filters the incoming sounds and permits our brain to infer their location. By embedding the filtering characteristics of the pinna into the audio signal, sound can be moved around the listener's head from a single pair of loudspeakers."
Check out these links...
I really like the tests on this site. The LEDR confirmed a strange discontinuity I have between center and mid-right where the image jumps. All the tests sounded fine, but the Behind test reproduced something I have been hearing on the AYA disc from Stockfish. I'm not sure how to fix it, but it must be related to some renegade reflection.
Agilist, Musician, Photographer, Audiophile
Magneplanar: 3.7, CC5, MC1, DWM; Outlaw: UltraX12, LFM-1C; Emotiva: XMC-1, PA-1; Nord: Nord One NC500DM; Outlaw: Model 7500; OPPO 205
Thanks for the very helpful response and interesting links.
On the same recording, track 14 has solo tenor sax which seems to move both higher and towards the center as the notes rise in frequency.
At about 30" in, he holds a high note which is both elevated in the soundstage and dead center.
Checked the digital input signal for that track, and at that point it has converged to mono. Maybe this is not just the pineal effect, but a byproduct of Chesky's purist approach to micing.
In general with these speakers, I find that higher frequencies tend to be somewhat higher in the image, though nothing like the finger snaps. When the violins in a symphony soar, so does the image.
Somewhere on this Asylum there is post by Josh, regarding the Infinity RS-1B I think, in which he notices that the higher frequencies appear higher in the soundstage, and comments that no reviewers have mentioned this. Made me wonder if it had to do with line source speakers.
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