Model
Focal 4V 211
Rating
DIAM
4"
FS(Hz)
77.3
VAS(l)
4.6
QTS
0.49
PWR(W)
35
SPL(dB)
87.8
IMP(Ohm)
8x1
avb
UNK
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
77.3
Vas(l)
4.6
Qts
0.49
Qms
4.77
Qes
0.54
Bl(Tm)
4.5
Mms(gr)
4
Cms(mm/N)
1.1
Rms(kg/s)
0.387
Le(mH)
0
Re(Ohm)
6
Sd(sq.mm)
5410
Vd(l)
0.005
X-max(mm)
1
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
35
RMS Power(W.)
17
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
87.8
Sensitivity(dB) 2.8-V
0
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
Vented, BP6