VENTED BOX
Volume in liters and port size for different car- and
music types, one speaker element.
MW110:
Port diameter 3" (75 mm) outer diameter. One port.
Car type: Small Sedan Combi Station
Music: car type type wagon
Hard rock 17 liter 17 liter 18 liter 18 liter
Port length 30 cm 30 cm 29 cm 29 cm
Disco 19 liter 19 liter 20 liter 21 liter
Port length 29 cm 29 cm 28 cm 27 cm
Normal 22 liter 22 liter 24 liter 25 liter
Port length 27 cm 27 cm 26 cm 26 cm
Deepbass 25 liter 27 liter 27 liter 29 liter
Port length 26 cm 25 cm 25 cm 25 cm
MW112:
Port diameter 3" (75 mm) outer diameter. One port.
Car type: Small Sedan Combi Station
Music: car type type wagon
Hard rock 24 liter 24 liter 25 liter 27 liter
Port length 23 cm 23 cm 22 cm 22 cm
Disco 28 liter 27 liter 29 liter 31 liter
Port length 22 cm 21 cm 22 cm 20 cm
Normal 32 liter 31 liter 34 liter 26 liter
Port length 21 cm 21 cm 20 cm 20 cm
Deep bass 36 liter 35 liter 39 liter 41 liter
Port length 20 cm 19 cm 19 cm 18 cm
SEALED BOX
MW110:
Car type: Small Sedan Combi Station
Music: car type type wagon
Hard rock 16 liter 16 liter 17 liter 18 liter
Disco 18 liter 18 liter 20 liter 21 liter
MW112:
Car type: Small Sedan Combi Station
Music: car type type wagon
Hard rock 24 liter 23 liter 25 liter 26 liter
Disco 27 liter 27 liter 29 liter 30 liter
2-CHAMBER BAND PASS BOX WITH TWO
DLS MW110
Vb1
Vb2
P2
Speakers: 2 pcs of DLS MW110
Vb1 = 29 liters (Fb1 = 42 Hz)
Vb 2 = 14 liters (Fb2 = 84 Hz)
Port P1 = 1 pcs 3" (75 mm), length 26 cm
Port P2 = 3 pcs 3" (75 mm), length 18 cm
F-3dB = 45,5 Hz
Car type: SEDAN, music type: NORMAL, SPL: 131 dB
NOTE!
The
number of
speakers
and ports
are not
correct in
the
drawing.
3-CHAMBER BANDPASS BOX WITH TWO
DLS MW110
P2 P1
Vb1
Vb2 Vb2
P2
Speakers: 2 pcs of DLS MW110
Vb1 = 27 liters (Fb1 = 42 Hz)
Vb 2 = 9 liters (Fb2 = 84 Hz)
Port P1 = 1 pc 3" (75 mm), length 26 cm
Port P2 = 1 pc 4" (110 mm), length 20 cm
F-3dB = 45,1 Hz
Car type: SEDAN, music type: NORMAL, SPL: 131 dB
3-CHAMBER BANDPASS BOX WITH TWO
DLS MW112
The box is identical with the box in the example above.
(The number of ports are different)
Speakers: 2 pcs of DLS MW112
Vb1 = 39 liters (Fb1 = 43 Hz)
Vb 2 = 16 liters (Fb2 = 86 Hz)
Port P1 = 1 pc 3" (75 mm), length 17 cm
Port P2 = 2 pcs 4" (110 mm) in each chamber, length 25 cm
F-3dB = 46,1 Hz
Car type: SMALL, music type: NORMAL, SPL: 134 dB
Volume in
liters for different car- and music types for
one speaker element in a sealed box. Most suitable for
hard rock and disco music.
P1
BOXES FOR DLS SUBWOOFERS MW110 & MW112
You can shorten the port length up to10% if
neccesary.
If you don´t know what music type to choose use
DISCO, it´s suitable for most listeners.
If you want to calculate som other box types than
these you can use the DLS-box 98 computer program
for bass box design. This is free to download from the
DLS website www.dls.se or www.audiophiles.com. You
will find it under the SUPPORT pages.
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