Alpine S-W12D4
Alpine S-W12D4
Model

Alpine S-W12D4

Rating
DIAM
12"
FS(Hz)
31
VAS(l)
46.4
QTS
0.52
PWR(W)
1800
SPL(dB)
85.6
IMP(Ohm)
4x2
avb
PROD

Thiele-Small Parameters

Fs(Hz)
31
Vas(l)
46.4
Qts
0.52
Qms
4.7
Qes
0.58
Bl(Tm)
15.1
Cms(mm/N)
0.147
Rms(kg/s)
7.43
Le(mH)
1.5
Mms(gr)
179
Vd(l)
0.708
Sd(sq.mm)
47200
X-max(mm)
15
X-mech(mm)
64
Re(Ohm)
7.6

General Parameters

Diameter (inch)
12
Max Power(W.)
1800
RMS Power(W.)
600
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.23
Sensitivity(dB) 1-W
85.6
Sensitivity(dB) 2.8-V
88.8

Mounting Information

Speaker Displacement (l)
1.7
Total Diameter (mm)
320
Cutout Diameter (mm)
268
Mounting Depth (mm)
128
Magnet Diameter (mm)
157

Optimum Enclosures

Enclosures
Closed, BP4

Speaker response