Model
Tang Band W4-1879
Rating
DIAM
4"
FS(Hz)
55
VAS(l)
9.1
QTS
0.43
PWR(W)
50
SPL(dB)
86.6
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
55
Vas(l)
9.1
Qts
0.43
Qms
2.68
Qes
0.51
Bl(Tm)
4.2
Mms(gr)
4
Cms(mm/N)
1.979
Rms(kg/s)
0.542
Le(mH)
0.025
Re(Ohm)
6.3
Sd(sq.mm)
5700
Vd(l)
0.029
X-max(mm)
5
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
50
RMS Power(W.)
25
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.29
Sensitivity(dB) 1-W
86.6
Sensitivity(dB) 2.8-V
87.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
125
Cutout Diameter (mm)
96
Mounting Depth (mm)
76
Magnet Diameter (mm)
94
Optimum Enclosures
Enclosures
Vented, BP6
