Fostex FT66H Specification

Features

Ring diaphragm Tweeter
8 ohm impedance
2.5kHz to 22kHz frequency re-
sponse
105dB sensitivity at 1W/1m (3.3ft)
1.15kg (2.54 lb) net weight

Specifications

Impedance : 8 ohm
Reproduction Frequency Response
: 2.5kHz - 22kHz
S.P.L. : 105dB/W (m)
Music Power : 70W
Cutoff Frequency : 2.3kHz
Recommended Cross-over Frequency
: more than 3.5kHz
Magnet (alnico)Weight : 100g (0.22 lb)
Net Weight : 1.15kg (2.54 lb)

Configuration Example

FW405 + D1405 + H300 + FT66H
Coil 2.5mH
Capacitor
15 F
Capacitor 6.8 F Coil 0.3mH
Coil Capacitor
2.2 F
0.68mH
Attenuator R82B
Capacitor 2.2 F
Attenuator R80B

Frequency Response / Impedance

120
110
100
90
80
70
60
(dB)
Hz
50 100 200
Dimensions & Mounting Information
FW405
D1405
+ H300
FT66H
Horn Super Tweeter
FT66H
Impedance
500 1K 2K 5K 10K
83
4-Ø4.5
Ø75
0º
ohm
64
30º
32
16
60º
8
4
20K 50K