Model
SB Acoustics SB12PAC25-4
Rating
DIAM
4"
FS(Hz)
52.5
VAS(l)
5.3
QTS
0.31
PWR(W)
60
SPL(dB)
85.5
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
52.5
Vas(l)
5.3
Qts
0.31
Qms
5
Qes
0.33
Bl(Tm)
4.3
Mms(gr)
6
Cms(mm/N)
1.507
Rms(kg/s)
0.4
Le(mH)
0.25
Re(Ohm)
3.1
Sd(sq.mm)
5000
Vd(l)
0.025
X-max(mm)
5
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
60
RMS Power(W.)
30
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.22
Sensitivity(dB) 1-W
85.5
Sensitivity(dB) 2.8-V
89.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
109
Cutout Diameter (mm)
102
Mounting Depth (mm)
66
Magnet Diameter (mm)
80
Optimum Enclosures
Enclosures
Vented, BP6
