At 9:46 PM -0700 9/27/10, Dan Dugan wrote:
>
>
> > I have strayed away from the smooth, flat, and perfectly circular
>characteristics of the Jecklin design. There is some crazy idea in
>my head that if the baffle must be reflective to some degree, and if
>those reflections can cause phase issues, then the baffle should at
>least be shaped to scatter those reflections as much as possible. I
>don't really know what difference if any that makes, but I do it
>anyway.
>
>I've noticed that my by-the-book Jecklin disc has a distinct
>coloration of the random ambience. I, too, suspect the equal radius
>from the mic capsules to the disk edge. I think your idea of varying
>the shape is good.
The curve might create a readable gradient in the shadows and some
directional info under 1K Hz. How about more oblong, horizontally,
and then quite jagged at the bottom to break-up the tuning? Rob D.
>
>Recording four channels on a Sound Devices 744T, I have to match the
>preamp gains of the rear mics to the front Jecklin array by ear (744
>has two built-in preamps, rear channels driven by an MP-2). I hear
>the Jecklin coloration when I switch my phones from fronts to rears,
>and it makes level matching difficult.
>
>-Dan
>
>
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