Model
Dayton Audio ND90-8
Rating
DIAM
3"
FS(Hz)
70.7
VAS(l)
1.8
QTS
0.65
PWR(W)
40
SPL(dB)
81
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
70.7
Vas(l)
1.8
Qts
0.65
Qms
4.71
Qes
0.754
Bl(Tm)
4.3
Mms(gr)
4
Cms(mm/N)
1.207
Rms(kg/s)
0.396
Le(mH)
0.62
Re(Ohm)
7.5
Sd(sq.mm)
3216
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)
8
Reference efficiency η0(%)
0.08
Sensitivity(dB) 1-W
81
Sensitivity(dB) 2.8-V
81.3
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
103
Cutout Diameter (mm)
77
Mounting Depth (mm)
52
Magnet Diameter (mm)
36
Optimum Enclosures
Enclosures
BP6P, Vented