Model
DD Audio DD212 D4
Rating
DIAM
12"
FS(Hz)
32.3
VAS(l)
42.5
QTS
0.69
PWR(W)
900
SPL(dB)
84.5
IMP(Ohm)
4x2
avb
PROD
Thiele-Small Parameters
Fs(Hz)
32.3
Vas(l)
42.5
Qts
0.685
Qms
6.2
Qes
0.77
Bl(Tm)
0
Mms(gr)
0
Cms(mm/N)
0
Rms(kg/s)
0
Le(mH)
0
Re(Ohm)
4
Sd(sq.mm)
0
Vd(l)
0
X-max(mm)
10
X-mech(mm)
64
General Parameters
Diameter (inch)
12
Max Power(W.)
900
RMS Power(W.)
300
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.18
Sensitivity(dB) 1-W
84.5
Sensitivity(dB) 2.8-V
87.5
Mounting Information
Speaker Displacement (l)
2.27
Total Diameter (mm)
310
Cutout Diameter (mm)
285
Mounting Depth (mm)
139
Magnet Diameter (mm)
134
Optimum Enclosures
Enclosures
Closed, BP4
