The Dayton Audio RST28A-4 1-1/8" aluminum 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 RS28A-4 provides incredible performance at an amazing value.
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Product Details
Dayton Audio RST28A-4 1-1/8" Reference Series Aluminum Dome Tweeter 4 Ohm
The Dayton Audio RST28A-4 aluminum dome Reference Series tweeter offers exceptional efficiency from 1,500 Hz to 20,000 Hz with smooth and well controlled frequency response. This tweeter's unique black anodized 1-1/8" aluminum diaphragm and state-of-the-art motor system not only match the look and features of Dayton Audio's Reference Series woofers and midranges, but also the clean, detailed, and uncolored sound you have come to expect. A specialized damped rear chamber, well-designed phase bridge, rigid mesh grill, and several distortion-reducing paths in the motor are just a few of the features that allow these tweeters to outperform some the most expensive audiophile high-frequency transducers.
PRODUCT SPECIFICATIONS
Tweeter Type | Metal Dome |
Cone / Dome Diameter | 1-1/8" |
Impedance | 4 ohms |
Power Handling (RMS) | 80 Watts |
Frequency Response | 1,500 to 20,000 Hz |
Sensitivity | 92.5 dB 2.83V/1m |
THIELE-SMALL PARAMETERS
Resonant Frequency (Fs) | 775 Hz |
DC Resistance (Re) | 3 ohms |
Voice Coil Inductance (Le) | 0.03 mH |
Mechanical Q (Qms) | 2.15 |
Electromagnetic Q (Qes) | 1.65 |
Total Q (Qts) | 0.93 |
MOUNTING INFORMATION
Overall Outside Diameter | 4.125" |
Cutout Diameter | 2.875" |
Depth | 1.75" |
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