Model
CDT Audio QES-1220
Rating
DIAM
12"
FS(Hz)
35.2
VAS(l)
30.4
QTS
0.51
PWR(W)
1000
SPL(dB)
85.6
IMP(Ohm)
4x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
35.2
Vas(l)
30.4
Qts
0.513
Qms
6.06
Qes
0.56
Bl(Tm)
17.5
Mms(gr)
206
Cms(mm/N)
0.099
Rms(kg/s)
7.518
Le(mH)
3.54
Re(Ohm)
3.8
Sd(sq.mm)
46500
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
12
Max Power(W.)
1000
RMS Power(W.)
500
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.23
Sensitivity(dB) 1-W
85.6
Sensitivity(dB) 2.8-V
88.9
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
311
Cutout Diameter (mm)
282
Mounting Depth (mm)
158
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6P
