Model
Sundown Audio Z V.5 18 D2
Rating
DIAM
18"
FS(Hz)
25
VAS(l)
156.02
QTS
0.52
PWR(W)
4000
SPL(dB)
88.1
IMP(Ohm)
2x2
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)
25
Vas(l)
156
Qts
0.52
Qms
5.1
Qes
0.58
Bl(Tm)
22.5
Mms(gr)
468
Cms(mm/N)
0.087
Rms(kg/s)
14.42
Le(mH)
1.65
Re(Ohm)
4
Sd(sq.mm)
72450
Vd(l)
2.539
X-max(mm)
35
X-mech(mm)
0
General Parameters
Diameter (inch)
18
Max Power(W.)
4000
RMS Power(W.)
2000
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0.41
Sensitivity(dB) 1-W
88.1
Sensitivity(dB) 2.8-V
91.1
Mounting Information
Speaker Displacement (l)
6.23
Total Diameter (mm)
296
Cutout Diameter (mm)
254
Mounting Depth (mm)
267
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
