15″ / 381 mm
Nominal diameter
51 Hz
Resonance
0.49
Q factor
95 dB
Sensitivity
± 5 mm
Linear excursion
600 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
45 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
4.94
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.49
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
412
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.9
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
64
mm
Magnet
Force factor
Bl
12.21
N/A
Motor constant
Bl/√RE
7.15
N/√W
Air gap height
HAG
9.7
mm
Weight
1.588
kg
Diaphragm
Effective diameter
324
mm
Effective area
SD
824
cm²
Moving mass
MMS
86
g
Moving mass (without air load)
MMD
69.4
g
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
108
L
Mechanical resistance
RMS
5.58
N·s/m
Surround material
Sealed cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
159
mm
Volume occupied by the driver
3.62
L
Net weight
5.4
kg
Frame material
Pressed Steel
Similar subwoofers to Eminence LEGEND CA154
15″Subwoofer
fS
49 Hz
SD
880 cm²
50 - 4000 Hz
QTS
0.49
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
7.68
Pmax
700 W
15″Coaxial
fS
50 Hz
SD
855 cm²
50 - 20000 Hz
QTS
0.52
xmax
7.2 mm
SPL1W
96 dB
Bl/√RE
7.1
Pmax
700 W
15″Subwoofer
fS
50 Hz
SD
908 cm²
50 - 1500 Hz
QTS
0.47
xmax
8.1 mm
SPL1W
95 dB
Bl/√RE
8.8
Pmax
1300 W