12″ / 320 mm
Nominal diameter
41 Hz
Resonance
0.22
Q factor
93 dB
Sensitivity
± 10 mm
Linear excursion
2000 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.1
dB
Frequency response
40 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
41.0
Hz
Mechanical quality factor
QMS
3.90
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
531
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.9
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.1
T
Force factor
Bl
25.6
N/A
Motor constant
Bl/√RE
11.3
N/√W
Air gap height
HAG
11
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
117
g
Moving mass (without air load)
MMD
108.1
g
Material
Waterproof Both Sides
Suspensions
Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
51
L
Mechanical resistance
RMS
7.73
N·s/m
Spider material
Silicone
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Baffle cutout diameter
280
mm
Overall depth
143
mm
Flange thickness
12
mm
Mounting depth
131
mm
Volume occupied by the driver
4.0
L
Net weight
8.25
kg
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fS
42 Hz
SD
531 cm²
45 - 1500 Hz
QTS
0.26
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
38 Hz
SD
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40 - 2000 Hz
QTS
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SPL1W
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Bl/√RE
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Pmax
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fS
40 Hz
SD
531 cm²
40 - 1500 Hz
QTS
0.22
xmax
10.0 mm
SPL1W
93 dB
Bl/√RE
12
Pmax
2000 W