Model
Dayton Audio ND91-4
Rating
DIAM
3"
FS(Hz)
74
VAS(l)
1.4
QTS
0.41
PWR(W)
60
SPL(dB)
82.9
IMP(Ohm)
4x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
74
Vas(l)
1.4
Qts
0.41
Qms
4.24
Qes
0.454
Bl(Tm)
4.6
Mms(gr)
5
Cms(mm/N)
0.964
Rms(kg/s)
0.526
Le(mH)
0
Re(Ohm)
4.3
Sd(sq.mm)
3218
Vd(l)
0.015
X-max(mm)
5
X-mech(mm)
0
General Parameters
Diameter (inch)
3
Max Power(W.)
60
RMS Power(W.)
30
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.12
Sensitivity(dB) 1-W
82.9
Sensitivity(dB) 2.8-V
85.6
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
0
Cutout Diameter (mm)
77
Mounting Depth (mm)
55
Magnet Diameter (mm)
42
Optimum Enclosures
Enclosures
Vented, BP6P
