Model
SB Acoustics SB23NBACS45-4
Rating
DIAM
8"
FS(Hz)
23
VAS(l)
95
QTS
0.33
PWR(W)
120
SPL(dB)
87
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
23
Vas(l)
95
Qts
0.33
Qms
5.4
Qes
0.35
Bl(Tm)
6.7
Mms(gr)
32
Cms(mm/N)
1.45
Rms(kg/s)
0.9
Le(mH)
0.27
Re(Ohm)
3.3
Sd(sq.mm)
21600
Vd(l)
0.14
X-max(mm)
7
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
120
RMS Power(W.)
60
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.32
Sensitivity(dB) 1-W
87
Sensitivity(dB) 2.8-V
90.9
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
234
Cutout Diameter (mm)
205
Mounting Depth (mm)
81
Magnet Diameter (mm)
120
Optimum Enclosures
Enclosures
BP4, BP6P, Closed, Vented
