Model
Rockford Fosgate P2D4-12
Rating
DIAM
12"
FS(Hz)
27.2
VAS(l)
81.5
QTS
0.54
PWR(W)
800
SPL(dB)
86.3
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)
27.2
Vas(l)
81.5
Qts
0.54
Qms
6.3
Qes
0.591
Bl(Tm)
18.9
Mms(gr)
193
Cms(mm/N)
0.177
Rms(kg/s)
5.25
Le(mH)
0
Re(Ohm)
6.4
Sd(sq.mm)
57000
Vd(l)
0.758
X-max(mm)
13
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
800
RMS Power(W.)
400
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
86.3
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
2.4
Total Diameter (mm)
0
Cutout Diameter (mm)
285
Mounting Depth (mm)
163
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4