Model
Eminence ALPHA 4-8 FULL-RANGE
Rating
DIAM
4"
FS(Hz)
123
VAS(l)
2
QTS
0.75
PWR(W)
110
SPL(dB)
88.3
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
123
Vas(l)
2
Qts
0.75
Qms
6.8
Qes
0.84
Bl(Tm)
4.9
Mms(gr)
4
Cms(mm/N)
0.42
Rms(kg/s)
0.45
Le(mH)
0.28
Re(Ohm)
6.7
Sd(sq.mm)
5765
Vd(l)
0.015
X-max(mm)
3
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
110
RMS Power(W.)
55
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.42
Sensitivity(dB) 1-W
88.3
Sensitivity(dB) 2.8-V
89
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
