Fostex FE SIGMA-SERIES FE208 User manual

Features
♦200mm (8 in) double cone type full
range
♦8 ohm impedance
♦fo to 20kHz frequency response
♦96.5dB sensitivity at 1W/1m (3.3ft)
♦3.8kg (8.38 lb) net weight
Frequency Response / ImpedanceSpecifications
&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 45Hz
S.P.L. : 96.5dB/W (m)
Rated Input : 34W
Music Power : 100W
Equivalent Diaghram Radius
: 81mm (3.19 in)
Reproduction Frequency Response
: fo - 20kHz
Equivalent Mass : 12g (0.026 lb)
Magnet Weight : 1.7kg (3.86 lb)
Net Weight : 3.8kg (8.38 lb)
Fs : 45Hz
Re : 6.7 ohm
Qes : 0.23
Qts : 0.21
Vas : 36.9 L
Xmax : 0.75mm(0.029 in)
Dimensions & Mounting Information
FE Sigma-series
no : 2.03%
Qms : 4.03
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
60º
30º
FE208∑
Ø185
Ø213
8-Ø6
Ø133
126.5
113.513
Ø230 RED DOT