Model
Fi Car Audio HT-3 18 S4
Rating
DIAM
18"
FS(Hz)
21.3
VAS(l)
235.9
QTS
0.42
PWR(W)
4000
SPL(dB)
88.9
IMP(Ohm)
4x1
avb
UNK
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
21.3
Vas(l)
235.9
Qts
0.42
Qms
6.94
Qes
0.45
Bl(Tm)
21.8
Mms(gr)
484
Cms(mm/N)
1.151
Rms(kg/s)
9.33
Le(mH)
0.45
Re(Ohm)
3.3
Sd(sq.mm)
121000
Vd(l)
4.114
X-max(mm)
34
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
4000
RMS Power(W.)
2000
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.49
Sensitivity(dB) 1-W
88.9
Sensitivity(dB) 2.8-V
92.7
Mounting Information
Speaker Displacement (l)
5.1
Total Diameter (mm)
470
Cutout Diameter (mm)
426
Mounting Depth (mm)
165
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
