Fostex FE103 Specifications

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

Specifications

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