Fostex FE83 Specifications

Features
80mm (3 in) cone type full range
8 ohm impedance
fo to 20kHz frequency response
88dB sensitivity at 1W/1m (3.3ft)
0.364kg (0.802 lb) net weight

Specifications

&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 140Hz
Reproduction Frequency Response
: fo - 20kHz
S.P.L. : 88dB/W (m)
Rated Input : 2W
Music Power : 7W
Equivalent Diaghram Radius
: 30mm (1.18 in)
Equivalent Mass : 1.15g (0.003 lb)
Magnet Weight : 140g (0.309 lb)
Net Weight : 0.364kg (0.802 lb)
Fs : 140Hz
Re : 6.9 ohm
Qts : 0.72
Qms : 3.5
Qes : 0.9
Vas : 1.11 L
Xmax : 0.4mm (0.016 in)
no : 0.33%
Frequency Response / Impedance
110
100
90
80
70
60
50
(dB)
20 Hz 50 100 200
Dimensions & Mounting Information
4-4 x 6
FE-series
FE83
Impedance
500 1000 2000 5000 10000 20000
ø71
ø60
RED.DOT
83
30º
ohm
60º
64
32
16
8
4