12″ / 305 mm
Nominal diameter
35 Hz
Resonance
0.54
Q factor
92 dB
Sensitivity
± 6.2 mm
Linear excursion
500 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
92.2
dB
Frequency response
35 - 2300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
9.26
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
6.2
mm
Maximum excursion before damage
xlim
12.4
mm
Air volume displaced at xmax
VD
330
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.84
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
10.55
N/A
Motor constant
Bl/√RE
4.43
N/√W
Air gap height
HAG
7.9
mm
Weight
1.077
kg
Diaphragm
Effective diameter
260
mm
Effective area
SD
532
cm²
Moving mass
MMS
50
g
Moving mass (without air load)
MMD
41.3
g
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
157
L
Mechanical resistance
RMS
1.19
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
311
mm
Baffle cutout diameter
281
mm
Overall depth
135
mm
Volume occupied by the driver
2.0
L
Net weight
4.08
kg
Frame material
Pressed Steel
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12″Bass Guitar Speaker
fS
35 Hz
SD
531 cm²
35 - 2200 Hz
QTS
0.50
xmax
8.3 mm
SPL1W
92 dB
Bl/√RE
4.65
Pmax
1000 W
15″Woofer
fS
38 Hz
SD
845 cm²
38 - 3500 Hz
QTS
0.54
xmax
3.3 mm
SPL1W
93 dB
Bl/√RE
5.97
Pmax
500 W
12″Bass Guitar Speaker
fS
38 Hz
SD
535 cm²
40 - 4000 Hz
QTS
0.48
xmax
4.7 mm
SPL1W
93 dB
Bl/√RE
4.3
Pmax
200 W