Fostex FE103 User manual

Features
♦100mm (4 in) cone type full range
♦8 ohm impedance
♦fo to 18kHz frequency response
♦89dB sensitivity at 1W/1m (3.3ft)
♦0.63kg (1.389 lb) net weight
Frequency Response / Impedance
Specifications
&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 80Hz
S.P.L. : 89dB/W (m)
Rated Input : 5W
Music Power : 15W
Equivalent Diaghram Radius
: 40mm (1.575 in)
Reproduction Frequency Response
: fo - 18kHz
Equivalent Mass : 2.7g (0.006 lb)
Magnet Weight : 193g (0.425 lb)
Net Weight : 0.63kg(1.389lb)
Fs : 80Hz
Re : 7.1 ohm
Qes : 0.38
Qts : 0.33
Vas : 6.89 L
Xmax : 0.35mm(0.014in)
Dimensions & Mounting Information
FE-series
no : 0.88%
Qms : 2.17
FE103
20 50 100 200 500 1000 2000 5000 10000 20000
50
60
70
80
90
100
110
(dB)
Hz
ohm
64
32
16
8
4
Impedance
60 º
30 º
107
ø80
ø92
2.6
26.6
45.6
RED DOT
4-5
57.5