15″ / 380 mm
Nominal diameter
42 Hz
Resonance
0.35
Q factor
95 dB
Sensitivity
± 9 mm
Linear excursion
2000 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
6.30
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
817
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.1
T
Force factor
Bl
21.3
N/A
Motor constant
Bl/√RE
11.1
N/√W
Air gap height
HAG
11
mm
Material
Ferrite
Diaphragm
Effective diameter
340
mm
Effective area
SD
908
cm²
Moving mass
MMS
159
g
Moving mass (without air load)
MMD
140.2
g
Material
Waterproof
Suspensions
Stiffness
KMS
13.51
N/mm
Compliance
CMS
74
µm/N
Equivalent volume to the compliance
VAS
86
L
Mechanical resistance
RMS
6.66
N·s/m
Spider material
Double Silicone
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
173
mm
Flange thickness
16
mm
Mounting depth
157
mm
Volume occupied by the driver
5.0
L
Net weight
11.7
kg
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SD
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SD
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40 - 1000 Hz
QTS
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xmax
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SPL1W
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Pmax
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