Model
Eminence SIGMA PRO-18A-2
Rating
DIAM
18"
FS(Hz)
28
VAS(l)
441
QTS
0.29
PWR(W)
1300
SPL(dB)
96.9
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
28
Vas(l)
441
Qts
0.29
Qms
8.3
Qes
0.301
Bl(Tm)
22.1
Mms(gr)
130
Cms(mm/N)
0.249
Rms(kg/s)
2.76
Le(mH)
1.9
Re(Ohm)
6.3
Sd(sq.mm)
111749
Vd(l)
0.682
X-max(mm)
6
X-mech(mm)
18
General Parameters
Diameter (inch)
18
Max Power(W.)
1300
RMS Power(W.)
650
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
3.1
Sensitivity(dB) 1-W
96.9
Sensitivity(dB) 2.8-V
98
Mounting Information
Speaker Displacement (l)
6.62
Total Diameter (mm)
457
Cutout Diameter (mm)
420
Mounting Depth (mm)
207
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6P
