12″ / 320 mm
Nominal diameter
40 Hz
Resonance
0.16
Q factor
96 dB
Sensitivity
± 8 mm
Linear excursion
1000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.3
dB
Frequency response
40 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
3.70
Electrical quality factor
QES
0.17
Total quality factor
QTS
0.16
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
418
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.25
mH
VC Diameter
76
mm
Winding height
HVC
19
mm
Former material
Glass Fibre
Magnet
Flux density
B
1.3
T
Force factor
Bl
25.5
N/A
Motor constant
Bl/√RE
11.1
N/√W
Air gap height
HAG
11
mm
Diaphragm
Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
77
g
Moving mass (without air load)
MMD
68.4
g
Material
Waterproof Both Sides
Suspensions
Stiffness
KMS
5.24
N/mm
Compliance
CMS
191
µm/N
Equivalent volume to the compliance
VAS
76
L
Mechanical resistance
RMS
5.23
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
283
mm
Overall depth
147
mm
Flange thickness
14
mm
Mounting depth
133
mm
Volume occupied by the driver
2.5
L
Net weight
4.9
kg
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fS
43 Hz
SD
522 cm²
40 - 2000 Hz
QTS
0.15
xmax
8.0 mm
SPL1W
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Bl/√RE
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Pmax
1000 W
10″Woofer
fS
40 Hz
SD
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QTS
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xmax
6.0 mm
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Bl/√RE
7.51
Pmax
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fS
41 Hz
SD
515 cm²
50 - 3000 Hz
QTS
0.13
xmax
7.0 mm
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Bl/√RE
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Pmax
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