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

FE-series

FE103

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 50 100 200 500

Hz

Impedance

2000 5000

1000

Dimensions & Mounting Information

4-5

ø92
ø80

107

57.5

RED DOT

2.6

60

10000

30

º

20000

ohm

64
32
16

8
4

26.6

45.6

º