Model
Focal PERFORMANCE SUB P25DB
Rating
DIAM
10"
FS(Hz)
27.5
VAS(l)
40.7
QTS
0.43
PWR(W)
500
SPL(dB)
84.4
IMP(Ohm)
4x2
avb
NOPROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
27.5
Vas(l)
40.7
Qts
0.431
Qms
5.2
Qes
0.47
Bl(Tm)
9.4
Mms(gr)
139
Cms(mm/N)
0.242
Rms(kg/s)
4.62
Le(mH)
0.27
Re(Ohm)
1.7
Sd(sq.mm)
34636
Vd(l)
0.26
X-max(mm)
8
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(%)
0.17
Sensitivity(dB) 1-W
84.4
Sensitivity(dB) 2.8-V
91.1
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, Vented, BP4, BP6P
