Model
Fi Car Audio IB3 18 S4
Rating
DIAM
18"
FS(Hz)
24.4
VAS(l)
245.6
QTS
0.79
PWR(W)
1200
SPL(dB)
88
IMP(Ohm)
4x1
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)
24.4
Vas(l)
245.6
Qts
0.79
Qms
9.56
Qes
0.87
Bl(Tm)
15
Mms(gr)
338
Cms(mm/N)
0.126
Rms(kg/s)
5.42
Le(mH)
0
Re(Ohm)
3.6
Sd(sq.mm)
121000
Vd(l)
4.114
X-max(mm)
34
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
1200
RMS Power(W.)
600
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
88
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
6.23
Total Diameter (mm)
0
Cutout Diameter (mm)
425
Mounting Depth (mm)
241
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4