Model
Focal RSB-250
Rating
DIAM
10"
FS(Hz)
29
VAS(l)
42
QTS
0.59
PWR(W)
500
SPL(dB)
83.6
IMP(Ohm)
4x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
29
Vas(l)
42
Qts
0.59
Qms
4.7
Qes
0.68
Bl(Tm)
6.7
Mms(gr)
93
Cms(mm/N)
0.3
Rms(kg/s)
3.605
Le(mH)
0
Re(Ohm)
1.8
Sd(sq.mm)
30700
Vd(l)
0
X-max(mm)
0
X-mech(mm)
0
General Parameters
Diameter (inch)
10
Max Power(W.)
500
RMS Power(W.)
250
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.15
Sensitivity(dB) 1-W
83.6
Sensitivity(dB) 2.8-V
90.1
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
233
Mounting Depth (mm)
117
Magnet Diameter (mm)
140
Optimum Enclosures
Enclosures
Closed, BP4
