Model
Rockford Fosgate P18S4
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
DIAM
8"
FS(Hz)
35
VAS(l)
16
QTS
0.52
PWR(W)
300
SPL(dB)
83
IMP(Ohm)
4x0
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
35
Vas(l)
16
Qts
0.518
Qms
0
Qes
0
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
7
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
300
RMS Power(W.)
150
Number of Coils
0
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
83
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6