Model
Fi Car Audio HT-1 SERIES 18 S4
Rating
DIAM
18"
FS(Hz)
20.9
VAS(l)
222.1
QTS
0.51
PWR(W)
2000
SPL(dB)
87.4
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)
20.9
Vas(l)
222.1
Qts
0.51
Qms
5.8
Qes
0.57
Bl(Tm)
18.8
Mms(gr)
518
Cms(mm/N)
1.083
Rms(kg/s)
11.73
Le(mH)
0
Re(Ohm)
2.9
Sd(sq.mm)
121000
Vd(l)
3.255
X-max(mm)
27
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
2000
RMS Power(W.)
1000
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.34
Sensitivity(dB) 1-W
87.4
Sensitivity(dB) 2.8-V
91.8
Mounting Information
Speaker Displacement (l)
5.1
Total Diameter (mm)
470
Cutout Diameter (mm)
425
Mounting Depth (mm)
165
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
