15″ / 380 mm
Nominal diameter
28 Hz
Resonance
0.42
Q factor
89 dB
Sensitivity
± 19.25 mm
Linear excursion
1600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.3
Hz
Mechanical quality factor
QMS
12.41
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
19.25
mm
Air volume displaced at xmax
VD
1558
cm³
Power handling
P
800
W
Program power
Pmax
1600
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.8
Ω
Inductance (1kHz, in series)
LE
4.81
mH
Magnet
Force factor (in series)
Bl
21.56
N/A
Motor constant
Bl/√RE
11.1
N/√W
Diaphragm
Effective diameter
321
mm
Effective area
SD
809
cm²
Moving mass
MMS
302.1
g
Moving mass (without air load)
MMD
286
g
Suspensions
Stiffness
KMS
9.53
N/mm
Compliance
CMS
105
µm/N
Equivalent volume to the compliance
VAS
97.2
L
Mechanical resistance
RMS
4.324
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Baffle cutout diameter
350
mm
Mounting depth
200
mm
Volume occupied by the driver (estimated)
4.3
L
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SD
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SD
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QTS
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xmax
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