Dayton Audio RST28F-4 1-1/8" Reference Series Fabric Dome Tweeter with Truncated Faceplate

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Dayton Audio RST28F-4 1-1/8" Reference Series Features

• 1-1/8" silk diaphragm offers excellent damping and remarkable clarity

• Perfect for line arrays or mini-monitor designs

• 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

About Dayton Audio RST28F-4 1-1/8" Reference Series

Quick Overview 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. The included truncated faceplate allows for tighter spacing between the tweeter and woofer/midrange drivers. Product Highlights 1-1/8" silk diaphragm offers excellent damping and remarkable clarity Perfect for line arrays or mini-monitor designs 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 Matches the performance of even the most expensive audiophile high-frequency transducers Product Manuals / Spec Sheets / Downloads Dayton Audio RST28F-4 Specification Sheet Dayton Audio RST28F-4 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis 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. The included truncated faceplate makes the RST28F-4 ideal for deigns like line arrays or compact mini-monitors that demand a smaller faceplate, or any situation where you want to keep center-to-center distances as small as possible. Product Details Speaker Series Reference Series Model Number Color Black Unit of Measure Each UPC 848791007255 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 1.85 Speaker Type Tweeter Power Handling (RMS) 80 watts Power Handling (max) -- Continuous Program Power -- Impedance 4 ohms Sensitivity 93.5 dB @ 2.83V/1m Frequency Response 1,400 - 20,000 Hz Voice Coil Diameter -- Magnet Weight -- DC Resistance (Re) 3 ohms Voice Coil Inductance (Le) 0.03 mH @ 1 kHz Resonant Frequency (Fs) 710 Hz Mechanical Q (Qms) 2.52 Electromagnetic Q (Qes) 1.46 Total Q (Qts) 0.92 Diaphragm Mass Inc. Airload (Mms) -- Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) -- Surface Area Of Cone (Sd) -- Volume of Displacement (Vd) -- BL Product (BL) -- Compliance Equivalent Volume (Vas) -- Maximum Linear Excursion (Xmax) -- Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material -- Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material -- Voice Coil Former -- Basket/Frame Material -- Magnet Material -- Overall Outside Diameter 4.125" x 3.25" Overall Depth 1.75" Baffle Cutout Diameter -- Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --