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Dayton Audio ND25FA-4 1ԠSoft Dome Neodymium Tweeter 4 Ohm User Manual

Nd25fa-4 1" soft dome neodymium tweeter, 1 khz fs, Qms qes qts mms

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Last Revised: 12/4/2013

20

18

16

14

12

10

8

6

4

2

0

Ohms

180°

90°

0

deg

-90°

-180°

2

5

10

20

50

100

200

500

1kHz

2k

5k

10k

20k

ND25FA-4

1" Soft Dome Neodymium Tweeter

4

3.2

0.48

1350

3.87
2.61
1.56

7.5

25
90
20

2,500-20,000

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 (

[email protected]/1m

)

RMS Power Handling (

W

)

Usable Frequency Range (

Hz

)

OmniMic

500

1k

2k

5k

10k

20k

Frequency Response -freq [Hz]

[d

BSP

L]

105

100

95

90

85

80

75

70

65

60

55

• 1" treated silk dome diaphragm
• Round faceplate design for simple mounting
• High-strength neodymium motor
• Copper pole sleeve reduces distortion
• Rear-mounted heatsink and ferrofluid cooling
• Extremely smooth and detailed treble response