Model
FB Audio FB850 15 D4
Rating
Attention! Parameters of that speaker were not checked: a source of data, manual were not found.
DIAM
15"
FS(Hz)
30.7
VAS(l)
90.5
QTS
0.72
PWR(W)
0
SPL(dB)
87.2
IMP(Ohm)
0x2
avb
PROD
Thiele-Small Parameters
Fs(Hz)
30.7
Vas(l)
90.5
Qts
0.72
Qms
13.7
Qes
0.76
Bl(Tm)
11.4
Mms(gr)
271
Cms(mm/N)
0.099
Rms(kg/s)
3.82
Le(mH)
1.72
Re(Ohm)
1.9
Sd(sq.mm)
80425
Vd(l)
1.206
X-max(mm)
15
X-mech(mm)
0
General Parameters
Diameter (inch)
15
Max Power(W.)
0
RMS Power(W.)
850
Number of Coils
2
Impedance Z-Nom(Ohm)
0
Reference efficiency η0(%)
0.33
Sensitivity(dB) 1-W
87.2
Sensitivity(dB) 2.8-V
93.5
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, BP4
