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23
Owner’s Manual
FILTER
Suggested Subsonic filter cut-off Suggested Lo-pass filter cut-off
MP 250 D2/D4.3
Sealed
15 Hz / 24dB Oct 70-80 Hz / 24 db Oct
MP 250 D2/D4.3
Reflex
20 Hz / 24dB Oct 60-70 Hz / 24 db Oct
REFLEX
BOX ASSEMBLY
Subsonic
Lo-pass
f
db
SUGGESTED PORT POSITION/DIMENSION ROUND SHAPE SUGGESTED
AT THESE POINTS
(M) 236 mm
50
mm
DAMPING MATERIAL
BOX ASSEMBLY AND SHAPE
This manual features the
box assemblies and
shapes which
are easiest
to create.
However,
the bass
frequency
performance
can be
noticeably
improved
with different box
shapes, assembly methods and
construction materials.
(Pic. 2)
(D) 276 mm
(W) 568 mm
445 mm
129 mm
77 mm
35
mm
35
mm
19
mm
H
W
D
C
B
A
M
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