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PEX Dayton Audio RST28F 4 1 1/8" Reference Series Fabric Dome Tweeter 4 Ohm P10185674PEX-275-141 https://cdnimages.opentip.com/full/PEX/PEX-275-141.jpg Dayton Audio RST28F 4 1 1/8" Reference Series Fabric Dome Tweeter 4 Ohm Manufacturer Part Number: RST28F-4The Dayton Audio RST28F-4 1-1/8\" silk dome Reference Series tweeter has remarkable clarity, low free air resonance, exceptional efficiency, and smooth frequency response, a combination seldom found in the industry at any price. This upgrade over the original RS28F-4 provides incredible performance at an amazing value.Key Features: 1-1/8\" silk diaphragm offers excellent damping and remarkable clarity Exceptional efficiency at 93.5 ±3 dB from 1.4 kHz to 20 kHz for extremely accurate response Well-designed phase bridge to balance the response in the upper octave Tuned rear chamber and high-quality Ferrofluid for extended low-end response Low-distortion motor system achieves a rare level of transparency Matches the performance of even the most expensive audiophile high-frequency transducers Dayton Audio RST28F-4 1-1/8\" Reference Series Fabric Dome Tweeter 4 OhmThe Dayton Audio RST28F-4 silk dome Reference Series tweeter offers exceptional efficiency from 1,400 Hz to 20,000 Hz with an extremely natural and dynamic sound. This unique 1-1/8\" silk dome and a state-of-the-art Ferrofluid cooled motor system employs copper shorting rings to ensure that high frequency content is reproduced as transparently as possible, assuring studio-quality performance. RST28F-4 tweeters not only match the look and features of the RS woofers and midranges but also the clean, detailed, and uncolored sound that characterizes the entire series. These are just a few of the features that allow these tweeters to outperform some the most expensive audiophile high-frequency transducers.For applications like line arrays or compact mini-monitors that demand a smaller faceplate, an optional is available.For the replacement diaphragm, see part numberProduct Details BrandDayton Audio ModelRST28F-4 Part Number275-141 UPC848791004919 Unit of MeasureEach Weight1.8 Product Specifications Cone / Dome Diameter1.125\" Cutout Diameter2.875 Tweeter TypeSoft Dome Power Handling (RMS)80 Watts Impedance4Ω Frequency Response1,400 to 20,000Hz Sensitivity93.5dB 2.83V/1m Thiele-Small Parameters Resonant Frequency (Fs)710Hz DC Resistance (Re)3Ω Voice Coil Inductance (Le)0.03mH Mechanical Q (Qms)2.52 Electromagnetic Q (Qes)1.46 Total Q (Qts)0.92 Mounting Information Overall Outside Diameter4.125\" Depth1.75\" 10185674 848791004919 2.1600lbs 0.00 0.00 0.00
Dayton Audio
37.98 2025-04-26 79 In Stock

Dayton Audio RST28F-4 1-1/8" Reference Series Fabric Dome Tweeter 4 Ohm

Brand Dayton Audio
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UPC: 848791004919
SKU: PEX-275-141
Price:
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Product Description

Manufacturer Part Number: RST28F-4

The Dayton Audio RST28F-4 1-1/8" silk dome Reference Series tweeter has remarkable clarity, low free air resonance, exceptional efficiency, and smooth frequency response, a combination seldom found in the industry at any price. This upgrade over the original RS28F-4 provides incredible performance at an amazing value.

Key Features:
  • 1-1/8" silk diaphragm offers excellent damping and remarkable clarity
  • Exceptional efficiency at 93.5 ±3 dB from 1.4 kHz to 20 kHz for extremely accurate response
  • Well-designed phase bridge to balance the response in the upper octave
  • Tuned rear chamber and high-quality Ferrofluid for extended low-end response
  • Low-distortion motor system achieves a rare level of transparency
  • Matches the performance of even the most expensive audiophile high-frequency transducers


Dayton Audio RST28F-4 1-1/8" Reference Series Fabric Dome Tweeter 4 Ohm

The Dayton Audio RST28F-4 silk dome Reference Series tweeter offers exceptional efficiency from 1,400 Hz to 20,000 Hz with an extremely natural and dynamic sound. This unique 1-1/8" silk dome and a state-of-the-art Ferrofluid cooled motor system employs copper shorting rings to ensure that high frequency content is reproduced as transparently as possible, assuring studio-quality performance. RST28F-4 tweeters not only match the look and features of the RS woofers and midranges but also the clean, detailed, and uncolored sound that characterizes the entire series. These are just a few of the features that allow these tweeters to outperform some the most expensive audiophile high-frequency transducers.

For applications like line arrays or compact mini-monitors that demand a smaller faceplate, an optional is available.
For the replacement diaphragm, see part number

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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