Model
Skar SDR-18 D4
Rating
DIAM
18"
FS(Hz)
24
VAS(l)
200
QTS
0.76
PWR(W)
1200
SPL(dB)
86.7
IMP(Ohm)
4x2
avb
PROD
Thiele-Small Parameters
Fs(Hz)
24
Vas(l)
200
Qts
0.76
Qms
5
Qes
0.897
Bl(Tm)
17.1
Mms(gr)
429
Cms(mm/N)
0.103
Rms(kg/s)
12.96
Le(mH)
0
Re(Ohm)
4.1
Sd(sq.mm)
117009
Vd(l)
1.58
X-max(mm)
14
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
1200
RMS Power(W.)
600
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.3
Sensitivity(dB) 1-W
86.7
Sensitivity(dB) 2.8-V
89.6
Mounting Information
Speaker Displacement (l)
5.38
Total Diameter (mm)
464
Cutout Diameter (mm)
426
Mounting Depth (mm)
203
Magnet Diameter (mm)
154
Optimum Enclosures
Enclosures
Closed, BP4