Model
Sundown Audio SD-3 12 V3 D4
Rating
DIAM
12"
FS(Hz)
26.2
VAS(l)
62.5
QTS
0.49
PWR(W)
1000
SPL(dB)
84.9
IMP(Ohm)
4x2
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)
26.2
Vas(l)
62.5
Qts
0.492
Qms
4
Qes
0.56
Bl(Tm)
17.9
Mms(gr)
155
Cms(mm/N)
0.238
Rms(kg/s)
6.39
Le(mH)
0
Re(Ohm)
7
Sd(sq.mm)
43058
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
1000
RMS Power(W.)
500
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.19
Sensitivity(dB) 1-W
84.9
Sensitivity(dB) 2.8-V
85.5
Mounting Information
Speaker Displacement (l)
3.4
Total Diameter (mm)
321
Cutout Diameter (mm)
283
Mounting Depth (mm)
127
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
BP4, Closed