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28
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 300 S2
Sealed Shallow
22,7
(0.8)
47 0,68
770
(30.31)
406
(15.98)
115
(4,53)
283
(11.14)
16
(0.63)
Pic. 7
MPS 300 S2
Sealed
Regular
22,7
(0.8)
47 0,68
510
(20.08)
406
(15.98)
160
(6.30)
283
(11.14)
16
(0.63)
Pic. 7
MPS 300 S4
Sealed Shallow
22,7
(0.8)
45 0,81
770
(30.31)
406
(15.98)
115
(4,53)
283
(11.14)
16
(0.63)
Pic. 7
MPS 300 S4
Sealed
Regular
22,7
(0.8)
45 0,81
510
(20.08)
406
(15.98)
160
(6.30)
283
(11.14)
16
(0.63)
Pic. 7
PANELS
CUT LIST
A Qty B Qty C Qty
mm
(in.)
Pcs mm
(in.)
Pcs mm
(in.)
Pcs
MPS 300 S2
Sealed Shallow
770 x 406
(30.31 x 15.98)
2
770 x 83
(30.31 x 3.27)
2
374 x 83
(14.72 x 3.27)
2
MPS 300 S2
Sealed
Regular
510 x 406
(20.08 x 15.98)
2
510 x 128
(20.08 x 5.04)
2
374 x 128
(14.72 x 5.04)
2
MPS 300 S4
Sealed Shallow
770 x 406
(30.31 x 15.98)
2
770 x 83
(30.31 x 3.27)
2
374 x 83
(14.72 x 3.27)
2
MPS 300 S4
Sealed
Regular
510 x 406
(20.08 x 15.98)
2
510 x 128
(20.08 x 5.04)
2
374 x 128
(14.72 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. 7)
ENCLOSURE DESIGN MPS 300 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 300 S2/S4
Sealed
15 Hz / 24dB Oct 70-80 Hz / 24 db Oct
MPS 300 S2/S4
Reflex
20 Hz / 24dB Oct 60-70 Hz / 24 db Oct
SEALED BOX
ASSEMBLY
A
M
W
D
C
B
H
Z
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