12″ / 305 mm
Nominal diameter
40 Hz
Resonance
0.52
Q factor
91 dB
Sensitivity
± 3.25 mm
Linear excursion
350 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.1
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
3.87
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
3.25
mm
Air volume displaced at xmax
VD
167
cm³
Power handling
P
175
W
Program power
Pmax
350
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
39
mm
Winding material
Aluminium
Magnet
Force factor
Bl
9.39
N/A
Motor constant
Bl/√RE
4.95
N/√W
Diameter
125
mm
Weight
0.85
kg
Diaphragm
Effective diameter
256
mm
Effective area
SD
514
cm²
Moving mass
MMS
63
g
Moving mass (without air load)
MMD
54.8
g
Suspensions
Stiffness
KMS
3.33
N/mm
Compliance
CMS
300
µm/N
Equivalent volume to the compliance
VAS
117
L
Mechanical resistance
RMS
4.09
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
305
mm
Baffle cutout diameter
280
mm
Overall depth
130
mm
Flange thickness
0
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
3.0
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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SD
579 cm²
30 - 3000 Hz
QTS
0.45
xmax
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SPL1W
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Bl/√RE
5.65
Pmax
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SD
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Bl/√RE
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fS
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SD
540 cm²
35 - 4000 Hz
QTS
0.50
xmax
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SPL1W
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Bl/√RE
5.11
Pmax
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