Model
Alpine SWX-1242D
Rating
DIAM
12"
FS(Hz)
29
VAS(l)
45
QTS
0.47
PWR(W)
3000
SPL(dB)
85.3
IMP(Ohm)
4x2
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
29
Vas(l)
45
Qts
0.47
Qms
7.89
Qes
0.5
Bl(Tm)
12
Mms(gr)
218
Cms(mm/N)
0.138
Rms(kg/s)
5.04
Le(mH)
1.33
Re(Ohm)
1.8
Sd(sq.mm)
48000
Vd(l)
0.874
X-max(mm)
18
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)
4
Reference efficiency η0(%)
0.21
Sensitivity(dB) 1-W
85.3
Sensitivity(dB) 2.8-V
91.7
Mounting Information
Speaker Displacement (l)
5.49
Total Diameter (mm)
305
Cutout Diameter (mm)
277
Mounting Depth (mm)
219
Magnet Diameter (mm)
186
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P
