Model
Focal ACCESS 25 A4
Rating
DIAM
10"
FS(Hz)
23.5
VAS(l)
49.9
QTS
0.51
PWR(W)
400
SPL(dB)
82.5
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
23.5
Vas(l)
49.9
Qts
0.506
Qms
5.059
Qes
0.562
Bl(Tm)
11.5
Mms(gr)
141
Cms(mm/N)
0.326
Rms(kg/s)
4.109
Le(mH)
0
Re(Ohm)
3.6
Sd(sq.mm)
32836
Vd(l)
0.279
X-max(mm)
9
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(%)
0.11
Sensitivity(dB) 1-W
82.5
Sensitivity(dB) 2.8-V
86
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
260
Cutout Diameter (mm)
230
Mounting Depth (mm)
127
Magnet Diameter (mm)
120
Optimum Enclosures
Enclosures
Closed, BP4
