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Available languages
Available languages
ENGLISH
SUBWOOFER SPECIFICATIONS
Thiele/Small Parameters
Type
Driver Size
Nominal Impedance
Frequency Response
Fs (Hz)
Re
Le
Qms
Qes
Qts
Vas
Sd
Power Handling (Watts continuous)
Power Handling (Watts peak)
Sensitivity (SPL at 1 Watt / 1 meter)
Xmax (Linear)
Voicecoil Diameter
Mounting Depth Top Mount
Mounting Depth Bottom Mount
Mounting Diameter
WARNING: LISTEN CAREFULLY
Polk Audio loudspeakers and subwoofers are capable of playing at extremely high volume levels, which
could cause serious or permanent hearing damage. Polk Audio, Inc. accepts no liability for hearing loss,
bodily injury or property damage resulting from the misuse of its products.
Keep these guidelines in mind and always use your own good judgment when controlling volume:
• You should limit prolonged exposure to volumes that exceed 85 decibels(dB).
• High volume in an automobile can hinder your ability to safely operate a vehicle.
• You are responsible for knowing the local laws governing acceptable mobile volume levels.
For more about safe volume levels, go to: www.polkaudio.com/education/article/SPL/
Or refer to the Occupational Health and Safety Administration (OSHA) guidelines at:
www.osha.gov/dts/osta/otm/noise/standards_more.html
db840
db1040
subwoofer
subwoofer
8"
10"
(203.2mm)
(254mm)
4 Ohm
4 Ohm
30-200Hz
28-200Hz
42Hz
35Hz
3.5 Ohm
3.5 Ohm
2.3mH
3.0mH
13.4
9.1
0.58
0.59
0.56
0.55
0.54ft
3
0.99ft
(15.4L)
(28.3L)
35.65in
2
54.25in
(230cm
2
)
(350cm
180 Watts
270 Watts
360 Watts
540 Watts
85dB
86dB
0.24"
0.3"
(6.1mm)
(7.5mm)
1 1/2"
2"
(38.1mm)
(50.8mm)
4"
5 1/2"
(100mm)
(138.9mm)
4 9/16"
6 1/4"
(115.8mm)
(158.2mm)
7 1/16"
9 1/16"
(179.4mm)
(230.2mm)
M o r e I n f o @ w w w . p o l k a u d i o . c o m / c a r
db1240
subwoofer
12"
(304.8mm)
4 Ohm
27-200Hz
30Hz
3.5 Ohm
3.0mH
10.4
0.46
0.44
3
2.54ft
3
(71.85L)
2
80.6in
2
2
)
(520cm
2
360 Watts
720 Watts
88dB
0.3"
(7.5mm)
2"
(50.8mm)
6"
(152.4mm)
6 3/4"
(171.4mm)
11"
(279.4mm)
)
17
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