Model
Sundown Audio NSV4 18 D2
Rating
DIAM
18"
FS(Hz)
26.7
VAS(l)
123.3
QTS
0.32
PWR(W)
0
SPL(dB)
90.1
IMP(Ohm)
2x2
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)
26.7
Vas(l)
123.3
Qts
0.317
Qms
3.937
Qes
0.35
Bl(Tm)
27
Mms(gr)
532
Cms(mm/N)
0.067
Rms(kg/s)
0
Le(mH)
22.9
Re(Ohm)
2.9
Sd(sq.mm)
114104
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
0
RMS Power(W.)
0
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.65
Sensitivity(dB) 1-W
90.1
Sensitivity(dB) 2.8-V
94.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6