Model
Rockford Fosgate P2D4-8
Rating
DIAM
8"
FS(Hz)
43
VAS(l)
9.9
QTS
0.52
PWR(W)
500
SPL(dB)
83.2
IMP(Ohm)
4x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
43
Vas(l)
9.9
Qts
0.52
Qms
5.4
Qes
0.575
Bl(Tm)
17.6
Mms(gr)
96
Cms(mm/N)
0.143
Rms(kg/s)
4.793
Le(mH)
0
Re(Ohm)
6.9
Sd(sq.mm)
22100
Vd(l)
0.17
X-max(mm)
8
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
500
RMS Power(W.)
250
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
83.2
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
1.2
Total Diameter (mm)
0
Cutout Diameter (mm)
181
Mounting Depth (mm)
121
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
