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CLEARANCE Dayton Audio RS28A-4 1-1/8" Aluminum Dome Tweeter

Dayton AudioPart # 275-130
Model: RS28A-4
The Dayton Audio Reference Series tweeters' unique black anodized 1-1/8" aluminum diaphragms and state-of-the-art motor systems not only match the look and features of the Reference Series woofers, but also match the clean, detailed, and uncolored sound.

Key Features

  • Tuned rear chamber for great low-end response
  • 1-1/8" Aluminum diaphragm offers amazing clarity without typical metal dome harshness
  • Low-distortion motor system achieves a rare level of transparency
  • Non-shielded version is perfect for high-performance audiophile speakers
  • Great replacement for the Dayton RS28AS-4 1-1/8" Aluminum Dome Shielded Tweeter
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Overview

Dayton Audio RS28A-4 1-1/8" Aluminum Dome Tweeter

The Dayton Audio RS28A-4 Reference Series tweeter is designed to be an excellent match for the Dayton Audio Reference Series woofers. The tweeter's unique black anodized 1-1/8" aluminum diaphragm and state-of-the-art motor system not only matches the look and features of the RS woofers, but also matches the clean, detailed, and uncolored sound. A cast aluminum faceplate, protective mesh grill, tuned rear chamber, and several distortion-reducing paths in the motor system are just a few of the features that allow this tweeter to outperform many expensive audiophile high-frequency transducers.

Product Details

BrandDayton Audio
ModelRS28A-4
Part Number275-130
UPC844632001604
Unit of MeasureEach
Weight1.8

Product Specifications

Cone / Dome Diameter1.125"
Cutout Diameter2.88
Tweeter TypeMetal Dome
Power Handling (RMS)100 Watts
Impedance
Frequency Response1,200 to 20,000Hz
Sensitivity90.4dB 2.83V/1m

Thiele-Small Parameters

Resonant Frequency (Fs)603Hz
DC Resistance (Re)2.8Ω
Voice Coil Inductance (Le)0.04mH
Mechanical Q (Qms)1.18
Electromagnetic Q (Qes)1.03
Total Q (Qts)0.55

Mounting Information

Overall Outside Diameter4.13"
Depth1.81"

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