Model
Focal ISS 690(WOOFER)
Rating
DIAM
69"
FS(Hz)
54.3
VAS(l)
26.8
QTS
0.64
PWR(W)
160
SPL(dB)
89.7
IMP(Ohm)
4x1
avb
UNK
Thiele-Small Parameters
Fs(Hz)
54.3
Vas(l)
26.8
Qts
0.64
Qms
7.9
Qes
0.696
Bl(Tm)
5.6
Mms(gr)
19
Cms(mm/N)
0.45
Rms(kg/s)
0.824
Le(mH)
0
Re(Ohm)
3.3
Sd(sq.mm)
20492
Vd(l)
0.056
X-max(mm)
3
X-mech(mm)
0
General Parameters
Diameter (inch)
69
Max Power(W.)
160
RMS Power(W.)
80
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
89.7
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
0
Mounting Depth (mm)
78
Magnet Diameter (mm)
90
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6
