and 48V Phantom power.
Finally
we are selecting one reference
microphone (A) and compare the over-
all frequency responses of its potential
partners.
FOH: You measure and optimize the
acoustical sound field for the audience
together with SPL or better say Leq
monitoring….. Why not use one
matched pair for stereo recordings?
Matched sensitivity is important when
you want center instruments to be
heard from the center between your
stereo speakers, rather than shifted
slightly left or right of center. A level
mismatch also can change the musical
balance between orchestral instrumen-
tation. Of course, you can compensate
for microphone sensitivity differences
with your recorder's level controls or
mixer's pan pots but not for frequency
response mismatch.
Matched frequency response is impor-
tant for the sharpest possible imaging.
The more closely the stereo micro-
phones are matched in frequency re-
sponse, the better the image focus and
localization. For example:
Suppose the left microphone is 3 dB off
at 200 Hz relative to the right micro-
phone. For an instrument in the center
of the musical ensemble, its repro-
duced low frequencies will shift to-
ward the left, while mid frequencies
will remain in the center . Localization
for this instrument will spread or will
cause blurring between the real (mid
frequency) image and the phantom
(low frequency) image.
MATCHING PAIRS IN STEREO
RECORDING
