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Dayton Audio ND25FA-4 1" Soft Dome Neodymium Tweeter

Dayton Audio
Part #275-059

Dayton Audio ND25FA-4 1" Soft Dome Neodymium Tweeter

Dayton Audio
Part #275-059  
Dayton Audio's compact, ultra-smooth ND25FA-4 soft dome tweeter features excellent detail and high power handling. The small faceplate and neodymium motor make it easy to keep center-to-center distance to a minimum for improved off-axis response, and the exceptionally flat response above 3 kHz.
Key Features
  • Exceptionally flat treble response with low distortion
  • Compact round faceplate design is simple to install
  • High-strength neodymium motor with heatsink and ferrofluid cooling
  • Perfect for placement in car A-pillars
  • 1" diameter voice coil for good off-axis dispersion and excellent power handling
  • Clean, modern styling and appearance
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MSRP: $25.99
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Overview

Dayton Audio ND25FA-4 1" Soft Dome Neodymium Tweeter

This tweeter is smooth! The Dayton Audio ND25FA-4 1" soft-dome tweeter combines an exceptionally flat response above 3 kHz with a compact round faceplate for a clean, modern appearance that integrates easily into any design. The tiny yet powerful neodymium motor structure features an aluminum heatsink and ferrofluid cooling for low power compression and improved long-term power handling. A copper pole cap within the motor further reduces distortion and inductance effects.

Choose the ND25FA-4 when you need detail that won't become fatiguing or shrill at high volumes, for a highly refined presentation. The compact faceplate allows close center-to-center spacing of drivers, making these tweeters perfect for line array use or D'Appolito (MTM) configurations with wide dispersion. 

Product Details

BrandDayton Audio
ModelND25FA-4
Part Number275-059
UPC848791000850
Unit of MeasureEach
Weight0.2

Product Specifications

Cone / Dome Diameter1"
Cutout Diameter1.77
Tweeter TypeSoft Dome
Power Handling (RMS)20 Watts
Impedance4Ω
Frequency Response2,500 to 20,000Hz
Sensitivity90dB 2.83V/1m

Thiele-Small Parameters

Resonant Frequency (Fs)1350Hz
DC Resistance (Re)3.2Ω
Voice Coil Inductance (Le)0.03mH
Mechanical Q (Qms)3.87
Electromagnetic Q (Qes)2.61
Total Q (Qts)1.56

Mounting Information

Overall Outside Diameter2.60"
Depth1"

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