Rockford Fosgate P1S2-15

Subwoofer

15″ / 381 mm
Nominal diameter
23 Hz
Resonance
0.55
Q factor
87 dB
Sensitivity
± 9 mm
Linear excursion
500 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
Discard
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
3.46
Electrical quality factor
QES
0.80
Total quality factor
QTS
0.55

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
788
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
1.8
Ω
Inductance (1kHz)
LE
1.12
mH
VC Diameter
51
mm

Magnet

Force factor
Bl
9.4
N/A
Motor constant
Bl/√RE
7.01
N/√W
Weight
1.7
kg

Diaphragm

Effective diameter
334
mm
Effective area
SD
876
cm²
Moving mass
MMS
272.1
g
Moving mass (without air load)
MMD
254.5
g

Suspensions

Stiffness
KMS
5.68
N/mm
Compliance
CMS
176
µm/N
Equivalent volume to the compliance
VAS
192
L
Mechanical resistance
RMS
11.36
N·s/m

Dimensions

Nominal diameter
15
381
mm
Baffle cutout diameter
352
mm
Mounting depth
177
mm
Volume occupied by the driver
4.19
L

Export this driver to a simulation software:

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SD
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xmax
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