Model
Alpine SWA-12S4
Rating
DIAM
12"
FS(Hz)
30
VAS(l)
67.8
QTS
0.49
PWR(W)
750
SPL(dB)
87.2
IMP(Ohm)
4x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
30
Vas(l)
67.8
Qts
0.49
Qms
7.07
Qes
0.53
Bl(Tm)
12.4
Mms(gr)
120
Cms(mm/N)
0.234
Rms(kg/s)
3.207
Le(mH)
0
Re(Ohm)
3.6
Sd(sq.mm)
45200
Vd(l)
0.452
X-max(mm)
10
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
750
RMS Power(W.)
250
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
87.2
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
2.548
Total Diameter (mm)
0
Cutout Diameter (mm)
270
Mounting Depth (mm)
141
Magnet Diameter (mm)
135
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
