Model
Focal 25 A1
Rating
DIAM
10"
FS(Hz)
40.6
VAS(l)
24.3
QTS
0.38
PWR(W)
400
SPL(dB)
87.9
IMP(Ohm)
4x1
avb
NOPROD
Thiele-Small Parameters
Fs(Hz)
40.6
Vas(l)
24.3
Qts
0.382
Qms
8.7
Qes
0.4
Bl(Tm)
14.8
Mms(gr)
102
Cms(mm/N)
0.15
Rms(kg/s)
3.02
Le(mH)
1
Re(Ohm)
3.4
Sd(sq.mm)
34000
Vd(l)
0.187
X-max(mm)
6
X-mech(mm)
0
General Parameters
Diameter (inch)
10
Max Power(W.)
400
RMS Power(W.)
200
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.39
Sensitivity(dB) 1-W
87.9
Sensitivity(dB) 2.8-V
91.7
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
267
Cutout Diameter (mm)
232
Mounting Depth (mm)
118
Magnet Diameter (mm)
170
Optimum Enclosures
Enclosures
Vented, BP6
