Fostex Car Speaker FT66H User Manual

Horn Super Tweeter  
FT66H  
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  
Frequency Response / Impedance  
Specifications  
120  
110  
100  
Impedance  
Reproduction Frequency Response  
: 2.5kHz - 22kHz  
: 105dB/W (m)  
: 8 ohm  
0º  
S.P.L.  
90  
ohm  
Music Power  
Cutoff Frequency  
: 70W  
80  
70  
64  
32  
16  
8
30º  
: 2.3kHz  
60º  
Recommended Cross-over Frequency  
: more than 3.5kHz  
Magnet (alnico)Weight : 100g (0.22 lb)  
Net Weight : 1.15kg (2.54 lb)  
60  
(dB)  
Impedance  
4
50Hz 100  
200  
500  
1K  
2K  
5K  
10K  
20K  
50K  
Configuration Example  
Dimensions & Mounting Information  
FW405 + D1405 + H300 + FT66H  
83  
Coil 2.5mH  
Capacitor  
15µF  
4-Ø4.5  
FW405  
Capacitor 6.8µF  
Coil 0.3mH  
D1405  
Capacitor  
2.2µF  
Coil  
+ H300  
0.68mH  
Attenuator R82B  
Attenuator R80B  
Capacitor 2.2µF  
FT66H  
Ø75  
 

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