Model
Aura NS18-992-4A
Rating
DIAM
18"
FS(Hz)
20
VAS(l)
322
QTS
0.47
PWR(W)
3200
SPL(dB)
89
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
20
Vas(l)
322
Qts
0.47
Qms
7.7
Qes
0.501
Bl(Tm)
17.6
Mms(gr)
375
Cms(mm/N)
0.169
Rms(kg/s)
6.115
Le(mH)
0
Re(Ohm)
3.1
Sd(sq.mm)
116000
Vd(l)
2.9
X-max(mm)
25
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
3200
RMS Power(W.)
800
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
89
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
426
Mounting Depth (mm)
290
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
