Model
Alpine SWR-1242D
Rating
DIAM
12"
FS(Hz)
29
VAS(l)
45
QTS
0.47
PWR(W)
1500
SPL(dB)
85
IMP(Ohm)
4x2
avb
UNK
Thiele-Small Parameters
Fs(Hz)
29
Vas(l)
45
Qts
0.47
Qms
7.89
Qes
0.5
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
48000
Vd(l)
0.874
X-max(mm)
18
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
1500
RMS Power(W.)
500
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
85
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
2
Total Diameter (mm)
0
Cutout Diameter (mm)
275
Mounting Depth (mm)
195
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
