Last Revised: 12/5/2013
18
16
14
12
10
8
6
4
2
0
90°
0 de
-90°
-180
°
2 5 10 20 50 100 200 500 1kHz 2k 5k 10k 20k
O
hms
ND25FN-4
1" Silk Dome Neodymium Tweeter Element
Impedance (Ω)
Re (
Ω)
Le (
mH) @ 1 kHz
Fs (
Hz)
Qms
Qes
Qts
Mms (
g)
Cms (
mm/N)
Sd (
cm
2
)
Vd (
cm
3
)
BL (
Tm)
V
as (liters)
X
max (mm)
VC Diameter (
mm)
SPL (
RMS Power Handling (
W)
Usable Frequency Range (
Hz)
OmniMic
500 1k 2k 5k 10k 20k
Frequency Respons e -- frequency [Hz]
[d BSPL]
105
100
95
90
85
80
75
70
65
60
55
• 1" treated silk dome diaphragm
• Faceplate-free design for custom mounting
• High-strength neodymium motor
• Copper pole sleeve reduces distortion
• Rear-mountedheatsinkandferrouidcooling
• Extremely smooth and detailed treble response
4
3.2
0.48
1350
3.87
2.61
1.56
7.5
25
90
20
2,500 - 20,000
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