PowerBass 4XL-152D

2x1Ω
2x2Ω

Subwoofer

15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.35
Q factor
90 dB
Sensitivity
± 28 mm
Linear excursion
7000 W
Program Power
PowerBass 4XL-152D Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
90.2
dB
Frequency response
30 - 500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
3.60
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
28.0
mm
Air volume displaced at xmax
VD
2394
cm³
Power handling
P
3500
W
Program power
Pmax
7000
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
2.8
Ω
Inductance (1kHz, in series, estimated)
LE
1.98
mH
VC Diameter
102
mm

Magnet

Force factor (in series)
Bl
44.48
N/A
Motor constant
Bl/√RE
18.8
N/√W
Weight
18.14
kg

Diaphragm

Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
619.7
g
Moving mass (without air load)
MMD
602.6
g
Material
Non Press Pulp Paper Cone

Suspensions

Stiffness
KMS
29.71
N/mm
Compliance
CMS
34
µm/N
Equivalent volume to the compliance
VAS
35
L
Mechanical resistance
RMS
37.78
N·s/m

Dimensions

Nominal diameter
15
″
381
mm
Baffle cutout diameter
360
mm
Mounting depth
286
mm
Volume occupied by the driver (estimated)
4.3
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

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