15″ / 381 mm
Nominal diameter
40 Hz
Resonance
0.49
Q factor
96 dB
Sensitivity
± 5.97 mm
Linear excursion
1200 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
95.6
dB
Frequency response
40 - 2200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
6.22
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.49
Large signal parameters
Maximum linear excursion
xmax
5.97
mm
Maximum excursion before damage
xlim
16.5
mm
Air volume displaced at xmax
VD
521
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.76
mH
VC Diameter
64
mm
Magnet
Force factor
Bl
10.32
N/A
Motor constant
Bl/√RE
5.62
N/√W
Air gap height
HAG
9.5
mm
Weight
1.588
kg
Diaphragm
Effective diameter
333
mm
Effective area
SD
873
cm²
Moving mass
MMS
66
g
Moving mass (without air load)
MMD
48.3
g
Suspensions
Stiffness
KMS
4.17
N/mm
Compliance
CMS
240
µm/N
Equivalent volume to the compliance
VAS
254
L
Mechanical resistance
RMS
2.67
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
160
mm
Volume occupied by the driver
3.62
L
Net weight
5.81
kg
Frame material
Pressed steel
Similar subwoofers to Eminence DELTA 15LF-4
15″Bass Guitar Speaker
fS
40 Hz
SD
855 cm²
40 - 4000 Hz
QTS
0.53
xmax
4.3 mm
SPL1W
96 dB
Bl/√RE
5.56
Pmax
400 W
15″Bass Guitar Speaker
fS
39 Hz
SD
873 cm²
42 - 3200 Hz
QTS
0.48
xmax
4.8 mm
SPL1W
95 dB
Bl/√RE
5.91
Pmax
1000 W
15″Mid Bass
fS
40 Hz
SD
865 cm²
48 - 4000 Hz
QTS
0.53
xmax
2.7 mm
SPL1W
98 dB
Bl/√RE
5.26
Pmax
800 W