Rockford Fosgate P1S8-12

2Ω
8Ω

Subwoofer

12″ / 305 mm
Nominal diameter
25 Hz
Resonance
0.55
Q factor
85 dB
Sensitivity
± 9 mm
Linear excursion
500 W
Program Power
Discontinued
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
85.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
25.0
Hz
Mechanical quality factor
QMS
3.10
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.55

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
493
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
4.11
mH
VC Diameter
51
mm

Magnet

Force factor
Bl
17.8
N/A
Motor constant
Bl/√RE
7.15
N/√W
Weight
1.28
kg

Diaphragm

Effective diameter
264
mm
Effective area
SD
548
cm²
Moving mass
MMS
195.8
g
Moving mass (without air load)
MMD
187
g

Suspensions

Stiffness
KMS
4.83
N/mm
Compliance
CMS
207
µm/N
Equivalent volume to the compliance
VAS
88.3
L
Mechanical resistance
RMS
9.92
N·s/m

Dimensions

Nominal diameter
12
″
305
mm
Baffle cutout diameter
285
mm
Mounting depth
152
mm
Volume occupied by the driver
5.1
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to Rockford Fosgate P1S8-12