Fostex FE-204 User manual

Features
♦200mm (8 in) cone type full range
♦8 ohm impedance
♦fo to 20kHz frequency response
♦95dB sensitivity at 1W/1m (3.3ft)
♦2.4kg (5.291 lb) net weight
Frequency Response / Impedance
Specifications
&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 45Hz
S.P.L. : 95dB/W (m)
Rated Input : 25W
Music Power : 80W
Equivalent Diaghram Radius
: 81mm (3.189 in)
Reproduction Frequency Response
: fo - 20kHz
Equivalent Mass : 14.6g (0.032 lb)
Magnet Weight : 848g (1.869 lb)
Net Weight : 2.4kg (5.291 lb)
Fs : 45Hz
Re : 6.81 ohm
Qes : 0.21
Qts : 0.2
Vas : 51.4 L
Xmax : 1.5mm (0.059 in)
Dimensions & Mounting Information
FE-series
no : 2.14%
Qms : 2.84
FE204
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
4-Ø5
R110
Ø200
Ø182
Ø120
Ø204
53.5
88.5
5.5
Ø208