Model
SB Acoustics SB65WBAC25-4
Rating
DIAM
2"
FS(Hz)
115
VAS(l)
0.4
QTS
0.68
PWR(W)
40
SPL(dB)
81.1
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
115
Vas(l)
0.4
Qts
0.682
Qms
6
Qes
0.77
Bl(Tm)
2.9
Mms(gr)
3
Cms(mm/N)
0.77
Rms(kg/s)
0.3
Le(mH)
0.15
Re(Ohm)
3.6
Sd(sq.mm)
1984
Vd(l)
0.005
X-max(mm)
3
X-mech(mm)
0
General Parameters
Diameter (inch)
2
Max Power(W.)
40
RMS Power(W.)
20
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.08
Sensitivity(dB) 1-W
81.1
Sensitivity(dB) 2.8-V
84.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
72
Cutout Diameter (mm)
64
Mounting Depth (mm)
33
Magnet Diameter (mm)
38
Optimum Enclosures
Enclosures
Vented, BP6P