12″ / 300 mm
Nominal diameter
28 Hz
Resonance
0.5
Q factor
87 dB
Sensitivity
± 13 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
7.68
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
13.0
mm
Air volume displaced at xmax
VD
676
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
2
Ω
DC resistance
RE
1.7
Ω
Inductance (1kHz, estimated)
LE
0.5
mH
Magnet
Force factor
Bl
9.2
N/A
Motor constant
Bl/√RE
7.14
N/√W
Diameter
140
mm
Diaphragm
Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
156.4
g
Moving mass (without air load)
MMD
147.8
g
Suspensions
Stiffness
KMS
4.83
N/mm
Compliance
CMS
207
µm/N
Equivalent volume to the compliance
VAS
79.5
L
Mechanical resistance
RMS
3.58
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
318
mm
Baffle cutout diameter
281
mm
Mounting depth
169
mm
Volume occupied by the driver
2.01
L
Net weight
6.58
kg
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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fS
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SD
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QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
28 Hz
SD
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28 - 200 Hz
QTS
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xmax
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SPL1W
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fS
27 Hz
SD
448 cm²
10 - 900 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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