Model
Dayton Audio ND90-4
Rating
DIAM
3"
FS(Hz)
90.2
VAS(l)
1.1
QTS
0.63
PWR(W)
40
SPL(dB)
82.2
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
90.2
Vas(l)
1.1
Qts
0.63
Qms
5.1
Qes
0.72
Bl(Tm)
3.5
Mms(gr)
4
Cms(mm/N)
0.73
Rms(kg/s)
0.48
Le(mH)
0.62
Re(Ohm)
3.6
Sd(sq.mm)
3200
Vd(l)
0.013
X-max(mm)
4
X-mech(mm)
0
General Parameters
Diameter (inch)
3
Max Power(W.)
40
RMS Power(W.)
20
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.1
Sensitivity(dB) 1-W
82.2
Sensitivity(dB) 2.8-V
85.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
104
Cutout Diameter (mm)
76
Mounting Depth (mm)
52
Magnet Diameter (mm)
36
Optimum Enclosures
Enclosures
BP6P, Vented
