15″ / 381 mm
Nominal diameter
42 Hz
Resonance
0.38
Q factor
97 dB
Sensitivity
± 4.8 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
Available on (affiliate links)
Amazon.com
$$$
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.5
dB
Frequency response
54 - 3700
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
4.56
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.8
mm
Maximum excursion before damage
xlim
9.0
mm
Air volume displaced at xmax
VD
411
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.15
mH
VC Diameter
64
mm
Magnet
Force factor
Bl
15.7
N/A
Motor constant
Bl/√RE
6.83
N/√W
Air gap height
HAG
7
mm
Weight
0.198
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
856
cm²
Moving mass
MMS
72
g
Moving mass (without air load)
MMD
54.5
g
Suspensions
Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
204
L
Mechanical resistance
RMS
4.17
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
389
mm
Baffle cutout diameter
356
mm
Overall depth
173
mm
Volume occupied by the driver
2.38
L
Net weight
2.59
kg
Frame material
Die-cast aluminum
Similar subwoofers to Eminence DELTALITE II 2515
15″Low frequency
fS
42 Hz
SD
881 cm²
40 - 4000 Hz
QTS
0.36
xmax
4.8 mm
SPL1W
98 dB
Bl/√RE
7.49
Pmax
1000 W
15″Subwoofer
fS
43 Hz
SD
850 cm²
45 - 4800 Hz
QTS
0.35
xmax
4.5 mm
SPL1W
97 dB
Bl/√RE
6.75
Pmax
600 W
15″Coaxial
fS
40 Hz
SD
880 cm²
40 - 20000 Hz
QTS
0.42
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
7.25
Pmax
800 W