Download Fostex FT207D User's Manual

Transcript
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
mm / 0.8 in
Size
:
20
Voice Coil Diameter
mm / 0.8 in
:
20
Cast / Stamped
:
Ω
Impedance
:
8
Reproduction Frequency Response
: 2kHz - 40 kHz
Sound Pressure Level
dB/W(m)
:
90
W
Rated Input
:
20
W
Music Power
:
60
Magnet Material :
Ferrite
Magnet Weight
(main)
:
103 g / 0.227 lb
(cancel) :
g / 0.176 lb
80
Net Weight
390 g / 0.860 lb
Frequency Response / Impedance
120
110
100
90
Ω
64
30
32
16
600
8
4
20K
50K
80
0
70
60
(dB)
50 Hz 100
Impedance
200
500
1K
2K
5K
10K
Dimensions & Mounting Information
Configulation Example
R 41.5
Inductor 1.0mH
FW137
(34.4)
Capacitor 6.8µF
Capacitor 4.7µF
FT207D
Inductor 0.5mH
(ø69.5)
(79)
Attenuator R80B
95
3-R47.5
3-ø4.2 hole
Inductor 1.0mH
Capacitor
6.8µF
Capacitor
4.7µF
FW167
FT207D
Inductor 0.5mH
Attenuator R80B
Overall Diameter :
Baffle Hole Diameter
:
Depth
:
89.4 mm / 3.5 in
mm / 2.8 in
72
34.4 mm / 1.3 in