Model
B&C Speakers 4NDF34
Rating
DIAM
4"
FS(Hz)
110
VAS(l)
1.6
QTS
0.28
PWR(W)
200
SPL(dB)
90.4
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
110
Vas(l)
1.6
Qts
0.28
Qms
4.2
Qes
0.3
Bl(Tm)
9
Mms(gr)
6
Cms(mm/N)
0.349
Rms(kg/s)
0.987
Le(mH)
0.23
Re(Ohm)
5.5
Sd(sq.mm)
5700
Vd(l)
0.022
X-max(mm)
4
X-mech(mm)
6
General Parameters
Diameter (inch)
4
Max Power(W.)
200
RMS Power(W.)
100
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.68
Sensitivity(dB) 1-W
90.4
Sensitivity(dB) 2.8-V
92
Mounting Information
Speaker Displacement (l)
0.25
Total Diameter (mm)
127
Cutout Diameter (mm)
103
Mounting Depth (mm)
66
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6P
