Model
Alpine SWR-12D2
Rating
DIAM
12"
FS(Hz)
27
VAS(l)
46
QTS
0.44
PWR(W)
3000
SPL(dB)
85
IMP(Ohm)
2x2
avb
PROD
Thiele-Small Parameters
Fs(Hz)
27
Vas(l)
46
Qts
0.44
Qms
7.1
Qes
0.469
Bl(Tm)
13.2
Mms(gr)
246
Cms(mm/N)
0.141
Rms(kg/s)
5.887
Le(mH)
0
Re(Ohm)
1.9
Sd(sq.mm)
47900
Vd(l)
0.958
X-max(mm)
20
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
3000
RMS Power(W.)
1000
Number of Coils
2
Impedance Z-Nom(Ohm)
2
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
85
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
2.83
Total Diameter (mm)
0
Cutout Diameter (mm)
275
Mounting Depth (mm)
162
Magnet Diameter (mm)
190
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
