3-19
Nº502 Media Console Customizing the Nº502
PROPER
Placement of
Microphones –
MULTIPLE
Listening Positions
in Multiple Rows
During the Automatic Calibration procedure, DO NOT:
χ arrange the microphones along the perimeter of the listening
positions or space.
χ place the microphones in spots where the listeners’ heads will not
be positioned.
χ obstruct the line-of-sight path between the microphones and the
speakers.
χ position the microphones on the floor, on seat cushions, or in
locations obstructed by furniture and other fixtures, where echoes
might obscure calibration noise signals.
χ position microphones within 2 feet (0.61m) of any speaker or
wall, or more than 30 feet (9.14m) from any speaker.
The following two illustrations provide examples of improper
microphone placement for calibration. In the first example, the
microphones are positioned on the floor along the perimeter of the
listening space. In the second example, the microphones are
positioned on the seat cushions instead of where the listeners’ heads
will be. These improper microphone placements make it difficult for
the Nº502 to calibrate optimal Room Correction, speaker distances,
and output levels for the actual listening positions.
Front
Left
Center
Subwoofer
Front
Right
Microphone
Side
Right
Rear
Right
Rear
Left
Side
Left
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