ND25FN-4
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1″ SILK DOME NEODYMIUM TWEETER

$42.95 Inc GST

Product Description

Dayton Audio’s ND25FN-4 is a versatile 1” tweeter element for use in highly customised applications requiring smooth, clean treble output. The treated silk dome diaphragm delivers excellent detail and smoothness, while the high-strength neodymium magnet enables high output from an extremely compact size. The rear-mounted heatsink and ferrofluid-filled magnetic gap provide improved heat dissipation from the compact motor structure, for reduced power compression at high levels. A copper pole cap further reduces distortion and inductance effects.

This element is identical to the round-faceplate ND25FA-4 model, but with no faceplate installed. It’s perfect for installation into a waveguide or a custom mounting plate, or in limited clearance applications such as automotive A-pillars.

1″ treated silk dome diaphragm
Faceplate-free design enables versatile custom mounting
High-strength neodymium motor with heatsink and ferrofluid cooling
Extremely smooth and extended treble response beyond 22kHz
Perfect for use with a waveguide or custom mounting plate.

Datasheet (.pdf) ND25FN-4

Code ND25FN-4
Description
Vas
Cms
Mms
Le 0.04mH
Power (RMS) 0-50 Watt
Inch 1
Size 1″
Qts 1.56
Fs 1350Hz
Depth 17mm
Qes 2.61
Power 20W
Prms 20W
Coil 25mmØ
Re 3.2Ω
Qms 3.87
Impedance (Ohm) 4 ohm
Diam. 41mmØ
Zn
Impedance 4Ω (Re 3.2Ω)
Sd 7.5cm²
Sens. 90dB
Manufacturer Dayton Audio
Type Dome Tweeter
Price Type each

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