Fostex Speaker FT207D User Manual

Dome Tweeter  
FT207D  
Features  
• 20mm UFLC soft dome tweeter  
• Newly designed frame made of  
nylon resin with gravity material for  
self vibration suppression  
• Unique appearance shortens the  
distance to woofer for excellent  
sound image & position  
Specifications  
&
Thiele/Small Parameters  
Size  
:
20  
20  
8
mm / 0.8in  
mm / 0.8in  
Voice Coil Diameter  
:
Frequency Response / Impedance  
Cast / Stamped  
Impedance  
:
:
120  
110  
100  
90  
Reproduction Frequency Response  
: 2kHz - 40kHz  
Sound Pressure Level  
:
:
:
:
90  
dB/W(m)  
Rated Input  
Music Power  
Magnet Material  
Magnet Weight  
(main)  
20  
W
W
80  
60  
64  
32  
16  
8
300  
600  
Ferrite  
70  
60  
(dB)  
Impedance  
:
:
103 g / 0.227 lb  
80 g / 0.176 lb  
390 g / 0.860 lb  
4
50Hz 100  
200  
500  
1K  
2K  
5K  
10K  
20K  
50K  
(cancel)  
Net Weight  
Dimensions & Mounting Information  
Configulation Example  
R 41.5  
Inductor 1.0mH  
Capacitor 6.8µF  
FW137  
Capacitor 4.7µF  
FT207D  
Inductor 0.5mH  
Attenuator R80B  
(ø69.5)  
(79)  
95  
3-R47.5  
3-ø4.2 hole  
Inductor 1.0mH  
FW167  
Capacitor  
6.8µF  
Overall Diameter  
:
mm /  
in  
89.4  
3.5  
Capacitor  
4.7µF  
FT207D  
Baffle Hole Diameter  
:
Inductor 0.5mH  
Attenuator R80B  
mm /  
mm /  
in  
in  
72  
2.8  
1.3  
Depth  
:
34.4  
 

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