Model
Eminence ALPHA 4-4
Rating
DIAM
4"
FS(Hz)
120
VAS(l)
1.8
QTS
0.63
PWR(W)
110
SPL(dB)
88
IMP(Ohm)
4x1
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
120
Vas(l)
1.8
Qts
0.63
Qms
6.4
Qes
0.7
Bl(Tm)
4.1
Mms(gr)
5
Cms(mm/N)
0.38
Rms(kg/s)
0.59
Le(mH)
0.18
Re(Ohm)
3.4
Sd(sq.mm)
5770
Vd(l)
0.015
X-max(mm)
3
X-mech(mm)
5
General Parameters
Diameter (inch)
4
Max Power(W.)
110
RMS Power(W.)
55
Number of Coils
1
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0.42
Sensitivity(dB) 1-W
88
Sensitivity(dB) 2.8-V
91.9
Mounting Information
Speaker Displacement (l)
0.33
Total Diameter (mm)
116
Cutout Diameter (mm)
96
Mounting Depth (mm)
59
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6