Rockford Fosgate P1S2-10

2Ω
4Ω8Ω

Subwoofer

10″ / 254 mm
Nominal diameter
30 Hz
Resonance
0.52
Q factor
83 dB
Sensitivity
± 9 mm
Linear excursion
500 W
Program Power
Rockford Fosgate P1S2-10 SubwooferRockford Fosgate P1S2-10 SubwooferRockford Fosgate P1S2-10 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.1
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
2.70
Electrical quality factor
QES
0.75
Total quality factor
QTS
0.52

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
333
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
1.6
Ω
Inductance (1kHz)
LE
1.16
mH
VC Diameter
52
mm

Magnet

Force factor
Bl
7.9
N/A
Motor constant
Bl/√RE
6.25
N/√W
Weight
1.28
kg

Diaphragm

Effective diameter
217
mm
Effective area
SD
370
cm²
Moving mass
MMS
154.6
g
Moving mass (without air load)
MMD
149.7
g

Suspensions

Stiffness
KMS
5.5
N/mm
Compliance
CMS
182
µm/N
Equivalent volume to the compliance
VAS
35.4
L
Mechanical resistance
RMS
10.79
N·s/m

Dimensions

Nominal diameter
10
″
254
mm
Baffle cutout diameter
232
mm
Mounting depth
135
mm
Volume occupied by the driver
3.6
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

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