Model
Markaudio ALPAIR 7.3
Rating
DIAM
4"
FS(Hz)
70.9
VAS(l)
4.6
QTS
0.54
PWR(W)
40
SPL(dB)
85.8
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
70.9
Vas(l)
4.6
Qts
0.54
Qms
3.07
Qes
0.65
Bl(Tm)
3.8
Mms(gr)
4
Cms(mm/N)
1.279
Rms(kg/s)
0.572
Le(mH)
0
Re(Ohm)
5.4
Sd(sq.mm)
5025
Vd(l)
0.02
X-max(mm)
4
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
40
RMS Power(W.)
20
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
85.8
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
0.35
Total Diameter (mm)
0
Cutout Diameter (mm)
103
Mounting Depth (mm)
75
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Vented, BP6P
