Model
Hertz ES F20.5
Rating
DIAM
8"
FS(Hz)
52
VAS(l)
13.2
QTS
0.4
PWR(W)
500
SPL(dB)
88
IMP(Ohm)
4x1
avb
UNK
Thiele-Small Parameters
Fs(Hz)
52
Vas(l)
13.2
Qts
0.4
Qms
3.38
Qes
0.45
Bl(Tm)
10.6
Mms(gr)
49
Cms(mm/N)
0.191
Rms(kg/s)
4.737
Le(mH)
0
Re(Ohm)
3.2
Sd(sq.mm)
22075
Vd(l)
0.11
X-max(mm)
5
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
500
RMS Power(W.)
200
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
88
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0.4
Total Diameter (mm)
0
Cutout Diameter (mm)
181
Mounting Depth (mm)
72
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6