Quadraphonic Sound Recording.
Select the required microphone directivity pattern.
This will give you access to a number of quadraphonic microphone arrays, one being an equal segment configuration of 90° for each segment, and four other unequal segment coverage configurations.    Return to HOME PAGE
Hypocardioid
Cardioid
Supercardioid
-10dB at 180°
-6dB at 90°
-11.5dB at 180°