Model
Alphard LW-120A4
Rating
DIAM
12"
FS(Hz)
30
VAS(l)
640
QTS
0.22
PWR(W)
320
SPL(dB)
100.2
IMP(Ohm)
4x1
avb
UNK
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
30
Vas(l)
640
Qts
0.222
Qms
2
Qes
0.25
Bl(Tm)
7.3
Mms(gr)
29
Cms(mm/N)
1.68
Rms(kg/s)
160
Le(mH)
0.82
Re(Ohm)
3.2
Sd(sq.mm)
55400
Vd(l)
0.31
X-max(mm)
6
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
320
RMS Power(W.)
160
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
6.66
Sensitivity(dB) 1-W
100.2
Sensitivity(dB) 2.8-V
104.2
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
305
Cutout Diameter (mm)
280
Mounting Depth (mm)
133
Magnet Diameter (mm)
155
Optimum Enclosures
Enclosures
Vented, BP6P
