PowerBass L-1004D
Subwoofer
10″ / 254 mm
Nominal diameter
33 Hz
Resonance
0.39
Q factor
86 dB
Sensitivity
± 11 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.5
dB
Frequency response
33 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
4.40
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
363
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
1.19
mH
VC Diameter
51
mm
Magnet
Force factor (in series)
Bl
18.2
N/A
Motor constant
Bl/√RE
7.19
N/√W
Weight
4.65
kg
Diaphragm
Effective diameter
205
mm
Effective area
SD
330
cm²
Moving mass
MMS
117.3
g
Moving mass (without air load)
MMD
112.9
g
Material
Injection molded Polypropylene
Suspensions
Stiffness
KMS
4.79
N/mm
Compliance
CMS
209
µm/N
Equivalent volume to the compliance
VAS
32.3
L
Mechanical resistance
RMS
5.53
N·s/m
Dimensions
Nominal diameter
10
″
254
mm
Baffle cutout diameter
230
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
1.5
L
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SpeakerbenchSimilar subwoofers to PowerBass L-1004D
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Skar Audio VVX-12v3 D42 x 4 Ω
12″Subwoofer
fS
35 Hz
SD
475 cm²
35 - 400 Hz
QTS
0.46
xmax
15.5 mm
SPL1W
86 dB
Bl/√RE
11
Pmax
1200 W
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