An outline of comparison
To compare the DPA 4006 attached with Acoustic Pressure Equaliser APE50(50 mm ball) or not attach.
How many level boost mid-high frequency and How change high frequencies focus directionality.
In a live recording of Nagoya University of arts Wind Orchestra at the Aichi Prefecture Art Center's Concert Hall on September 30, 2011.
Recorded by Studer 962, Magix Sequoia 88.2kHz 24bit.