Model
Alphard AUDIO EXTREME GR-12F AL
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
DIAM
12"
FS(Hz)
50
VAS(l)
13
QTS
0.4
PWR(W)
7000
SPL(dB)
90
IMP(Ohm)
1x2
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
50
Vas(l)
13
Qts
0.4
Qms
0
Qes
0
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
0
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
28
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
7000
RMS Power(W.)
2000
Number of Coils
2
Impedance Z-Nom(Ohm)
1
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
90
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
305
Cutout Diameter (mm)
285
Mounting Depth (mm)
200
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6