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6
Burn-in
Room Acoustics
The higher the quality of a loudspeaker system, the more demanding it will be regarding
burn-in time. Your newly unpacked Mingus Orchestra loudspeakers need quite a bit of
playing time to reach their optimum performance capability.
We have enclosed a CD to help speed up this process. Please allow the CD to be run for a
minimum of 24 hours before attempting to adjust the placement of the loudspeakers in
your listening room. Due to the high-tech materials used in the drivers, the Coltrane
Momento 2 will sound a bit harsh in the beginning, but aer 50 hours of playing your
loudspeakers will sound good.
Aer about 300 hours of playing, your system will be optimized. The sound will be more
open, detailed and display more natural musical warmth.
Compare the process to that of a fine musical instrument, which has to be played for a
period of time before reaching its full musical potential.
A good listening room has just the right amount of reflection and absorption. The
performance of any loudspeaker depends upon the speaker’s location in the room and
the acoustical conditions in that part of the room. Furnishings, size, and proportions all
eect tonal balance, imaging, and bass characteristics.
To test the sonic balance of your room, stand in the location where the speakers will be
installed and clap your hands two or three times. If the room is reverberant, you will hear
a sharpness or echo. If the room is dull, the sound of the clap will decay rapidly and there
will be little or no echo.
Large areas of glass, mirrors, or wood panelling will reflect sound waves and oen result
in brittleness and extreme brightness. You can correct this by breaking up these sound
waves with soer surfaces like draperies or wall hangings. Try to create random
reflections. Put a lot of time into the placement of the speakers. Experimenting with this
will be well worth the eort.
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