Model
7Drive Audio THUNDER 3K7
Rating
DIAM
12"
FS(Hz)
82.6
VAS(l)
12.7
QTS
0.63
PWR(W)
3700
SPL(dB)
92
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
82.6
Vas(l)
12.7
Qts
0.633
Qms
8.2
Qes
0.686
Bl(Tm)
14.9
Mms(gr)
108
Cms(mm/N)
0.034
Rms(kg/s)
6.84
Le(mH)
0
Re(Ohm)
2.9
Sd(sq.mm)
51000
Vd(l)
0.51
X-max(mm)
10
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
3700
RMS Power(W.)
1850
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
1.01
Sensitivity(dB) 1-W
92
Sensitivity(dB) 2.8-V
96.4
Mounting Information
Speaker Displacement (l)
4.5
Total Diameter (mm)
317
Cutout Diameter (mm)
283
Mounting Depth (mm)
154
Magnet Diameter (mm)
220
Optimum Enclosures
Enclosures
Vented, BP6