Model
Hertz ECX 690.5
Rating
DIAM
69"
FS(Hz)
59
VAS(l)
29
QTS
0.73
PWR(W)
300
SPL(dB)
90
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
59
Vas(l)
29
Qts
0.73
Qms
3.7
Qes
0.91
Bl(Tm)
5
Mms(gr)
19
Cms(mm/N)
0.387
Rms(kg/s)
1.884
Le(mH)
0
Re(Ohm)
3.3
Sd(sq.mm)
23197
Vd(l)
0.081
X-max(mm)
4
X-mech(mm)
0
General Parameters
Diameter (inch)
69
Max Power(W.)
300
RMS Power(W.)
100
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.63
Sensitivity(dB) 1-W
90
Sensitivity(dB) 2.8-V
93.8
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
0
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
