15″ / 397 mm
Nominal diameter
27 Hz
Resonance
0.23
Q factor
90 dB
Sensitivity
± 36 mm
Linear excursion
9000 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
27.2
Hz
Mechanical quality factor
QMS
3.91
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.23
Large signal parameters
Maximum linear excursion
xmax
36.0
mm
Air volume displaced at xmax
VD
3024
cm³
Power handling
P
4500
W
Program power
Pmax
9000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
2.6
Ω
Inductance (1kHz, in series, estimated)
LE
1.49
mH
VC Diameter
102
mm
Winding material
Flat aluminum
Magnet
Force factor (in series)
Bl
27.9
N/A
Motor constant
Bl/√RE
17.3
N/√W
Diameter
256
mm
Height
78
mm
Diaphragm
Effective diameter
327
mm
Effective area
SD
840
cm²
Moving mass
MMS
442
g
Moving mass (without air load)
MMD
424.6
g
Suspensions
Stiffness
KMS
11.36
N/mm
Compliance
CMS
88
µm/N
Equivalent volume to the compliance
VAS
88.5
L
Mechanical resistance
RMS
19.32
N·s/m
Dimensions
Nominal diameter
15
″
397
mm
Overall diameter
397
mm
Baffle cutout diameter
365
mm
Mounting depth
275
mm
Volume occupied by the driver
8.0
L
Net weight
43.0
kg
Similar subwoofers to Pride M45.15 D2
15″Subwoofer
fS
26 Hz
SD
840 cm²
QTS
0.23
xmax
36.0 mm
SPL1W
89 dB
Bl/√RE
17
Pmax
9000 W
15″Subwoofer
fS
27 Hz
SD
835 cm²
QTS
0.27
xmax
35.0 mm
SPL1W
89 dB
Bl/√RE
16
Pmax
7000 W
15″Subwoofer
fS
27 Hz
SD
835 cm²
QTS
0.26
xmax
35.0 mm
SPL1W
89 dB
Bl/√RE
16
Pmax
7000 W