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26
SEALED BOX
ASSEMBLY
BOX
TECH
DATA
Vb Fc Qtc External dimensions
(Pic .1)
Mounting
Hole - M
Wood
Thickness
Damping
Material
W H D
l
(cu. ft.)
Hz
mm
(in.)
mm
(in.)
mm
(in.)
mm
(in.)
mm
(in.)
MPS 250 S2
Sealed Shallow
14,2
(0.5)
47,7 0,68
615
(24.21)
352
(13.86)
110
(4,33)
232
(9.13)
16
(0.63)
Pic. 5
MPS 250 S2
Sealed
Regular
14,2
(0.5)
47,7 0,68
386
(15.2)
352
(13.86)
160
(6.30)
232
(9.13)
16
(0.63)
Pic. 5
MPS 250 S4
Sealed Shallow
14,2
(0.5)
49 0,81
615
(24.21)
352
(13.86)
110
(4,33)
232
(9.13)
16
(0.63)
Pic. 5
MPS 250 S4
Sealed
Regular
14,2
(0.5)
49 0,81
386
(15.20)
352
(13.86)
160
(6.30)
232
(9.13)
16
(0.63)
Pic. 5
PANELS
CUT LIST
A Qty B Qty C Qty
mm
(in.)
Pcs mm
(in.)
Pcs mm
(in.)
Pcs
MPS 250 S2
Sealed Shallow
615 x 352
(24.21 x 13.86)
2
615 x 78
(24.21 x 3.07)
2
320 x 78
(12.60 x 3.07
2
MPS 250 S2
Sealed
Regular
386 x 352
(15.20 x 13.86)
2
386 x 128
(15.20 x 5.04)
2
320 x 128
(12.60 x 5.04)
2
MPS 250 S4
Sealed Shallow
615 x 352
(24.21 x 3.07)
2
615 x 78
(24.21 x 3.07)
2
320 x 78
(12.60 x 3.07
2
MPS 250 S4
Sealed
Regular
386 x 352
(15.20 x 13.86)
2
386 x 128
(15.20 x 5.04)
2
320 x 128
(12.60 x 5.04)
2
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. 5)
ENCLOSURE DESIGN MPS 250 S2 / S4
Subsonic
Lo-pass
f
db
SEALED BOX
PANELS
LAYOUT
AC C
B
A
B
FILTER
Suggested Subsonic filter cut-off Suggested Lo-pass filter cut-off
MPS 250 S2/S4
Sealed
15 Hz / 24dB Oct 70-80 Hz / 24 db Oct
MPS 250 S2/S4
Reflex
20 Hz / 24dB Oct 60-70 Hz / 24 db Oct
A
M
W
D
C
B
H
Z
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