15″ / 381 mm
Nominal diameter
43 Hz
Resonance
0.39
Q factor
96 dB
Sensitivity
± 7.3 mm
Linear excursion
2400 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.5
dB
Frequency response
46 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
15.33
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
7.3
mm
Maximum excursion before damage
xlim
15.4
mm
Air volume displaced at xmax
VD
625
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.47
mH
VC Diameter
102
mm
Winding material
Copper
Former material
Fiberglass
Magnet
Force factor
Bl
19.18
N/A
Motor constant
Bl/√RE
8.24
N/√W
Air gap height
HAG
12.7
mm
Weight
3.09
kg
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
101
g
Moving mass (without air load)
MMD
83.6
g
Material
Water Resistant Paper
Suspensions
Stiffness
KMS
7.14
N/mm
Compliance
CMS
140
µm/N
Equivalent volume to the compliance
VAS
143
L
Mechanical resistance
RMS
1.78
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
387
mm
Baffle cutout diameter
387
mm
Overall depth
167
mm
Volume occupied by the driver
4.4
L
Net weight
11.25
kg
Frame material
Die Cast Aluminum
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SpeakerbenchSimilar subwoofers to Eminence IMPERO 15A
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15″Woofer
fS
43 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.37
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
8.25
Pmax
1000 W
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15″Woofer
fS
43 Hz
SD
850 cm²
45 - 3000 Hz
QTS
0.41
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
7.98
Pmax
1000 W
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15″Woofer
fS
44 Hz
SD
881 cm²
40 - 3000 Hz
QTS
0.39
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
8.38
Pmax
1000 W