SUBWOOFER SPECIFICATIONS
db840
DVC
db1040
DVC
db1240
DVC
Thiele/Small Parameters
Type
subwoofer
subwoofer
subwoofer
Driver Size
8"
10"
12"
(203.2mm)
(254mm)
(304.8mm)
Nominal Impedance
dual 4 Ohm
dual 4 Ohm
dual 4 Ohm
Frequency Response
30-200Hz
28-200Hz
27-200Hz
Fs (Hz)
43Hz
35Hz
30Hz
Re
3.4 Ohm/coil
3.4 Ohm/coil
3.4 Ohm/coil
3.4 Ohm/bob.
3.4 Ohm/bob.
3.4 Ohm/bob.
Le
2.47mH
5.1mH
5.1mH
Qms
14.1
10.4
10.4
Qes
0.62
0.66
0.49
Qts
0.59
0.62
0.50
Vas
0.55ft
3
1.07ft
3
2.40ft
3
15.8L
30.29L
67.9L
Sd
35.65in
2
54.25in
2
80.6in
2
(230cm
2
)
(350cm
2
)
(520cm
2
)
Power Handling (watts continuous)
180 Watts
270 Watts
360 Watts
Power Handling (watts peak)
360 Watts
540 Watts
720 Watts
Sensitivity (SPL at 1 watt / 1 meter)
85dB/series
86dB/series
88dB/series
Xmax (Linear)
0.24"
0.35"
0.35"
(6.1mm)
(9.0mm)
(9.0mm)
Voicecoil Diameter
1 1/2"
2"
2"
(38.1mm)
(50.8mm)
(50.8mm)
Mounting Depth Top Mount
4"
5 1/2"
6"
(100mm)
(138.9mm)
(152.4mm)
Mounting Depth Bottom Mount
4 9/16"
6 1/4"
6 3/4"
(115.8mm)
(158.2mm)
(171.4mm)
Mounting Diameter
7 1/16"
9 1/16"
11"
(179.4mm)
(230.2mm)
(279.4mm)
Summary of Contents for db840
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