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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