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Speaker Installation
M1 ACTIVE REFERENCE MANUAL 15
monitor system to be either light or heavy on the bottom, try moving them around
within your listening room.
You should avoid locating your M1 Actives near reflective surfaces such as glass, tile,
large open walls or table tops. Still, many rooms used for recording have these
surfaces, so the best way to deal with them is to place the monitors out in the room
away from reflective walls, windows and sizable objects. Even with these reflective
surfaces separated from the monitoring position, typical mixing situations usually
still have the top surface of the mixing board to deal with.
Unfortunately, the board itself can be a major source of reflections and the additional
acoustic conduction into the board can affect your monitor's amplitude and phase
response. Speaker placement on the console's meter bridge allows two different
acoustic paths between the speakers and the recording engineer, which results in
undesirable comb filtering effects and poor imaging. The first path is the direct one,
and the second is via a reflection off the mixer main control panel:
Monitors placed on the console’s meter bridge can directly radiate
back onto the console control panel causing a strong delayed
reflection at the listening position
Direct Path
This kind of speaker placement also couples acoustic energy from the speaker's
cabinet more readily into the console's chassis. Both conditions should be reduced by
placing the speakers on their own stands acoustically detached from, and slightly
behind, the console as shown below. In this location, the reflective path off the
console's control panel is now blocked by the meter bridge.