Fostex FW187 Specification

Features
180mm (7 in) cone type full range
8 ohm impedance
fo to 5kHz frequency response
90dB sensitivity at 1W/1m (3.3ft)
2.8kg (6.17 lb) net weight

Specifications

&
Thiele/Small Parameters
Impedance : 8 ohm
Minimum Frequency Response
: 30Hz
Reproduction Frequency Response
: fo - 5kHz
S.P.L. : 90dB/W (m)
Rated Input : 34W
Music Power : 100W
Equivalent Diaghram Radius
: 80mm (3.15 in)
Equivalent Mass : 25g (0.055 lb)
Magnet Weight (main) : 567.5g (1.25 lb)
(cancel) 263.9g (0.58 lb)
Net Weight : 2.8kg (6.17 lb)
Fs : 30Hz
Re : 7.8 ohm
Qts : 0.31
Qms : 4.23
Qes : 0.33
Vas : 59.97 L
Xmax : 4.0mm (0.15 in)
no : 0.518%
Frequency Response / Impedance
110
100
90
80
70
60
Impedance
50
(dB)
20 Hz 50 100 200
Dimensions & Mounting Information
FW-series for AV speaker
FW187
60º
500 1000 2000 5000 10000 20000
Ø198
Ø182
Ø125
4-Ø6
RED DOT
ohm
64
32
30º
16
8
4