Dayton Audio LS12-44
Shallow Subwoofer
12″ / 315 mm
Nominal diameter
34 Hz
Resonance
0.51
Q factor
88 dB
Sensitivity
± 10 mm
Linear excursion
500 W
Program Power
Discontinued
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.9
dB
Frequency response
28 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.7
Hz
Mechanical quality factor
QMS
4.95
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
547
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.5
Ω
Inductance (1kHz, in series)
LE
5.34
mH
VC Diameter
50
mm
Magnet
Force factor (in series)
Bl
21.7
N/A
Motor constant
Bl/√RE
7.92
N/√W
Material
Ferrite
Diaphragm
Effective diameter
264
mm
Effective area
SD
547
cm²
Moving mass
MMS
166
g
Moving mass (without air load)
MMD
157
g
Material
Fiberglass
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
56.6
L
Mechanical resistance
RMS
7.1
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
99
mm
Volume occupied by the driver (estimated)
1.5
L
Frame material
Cast Aluminium
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SD
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