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Dayton Audio ND25TA-4 1″ Titanium Dome Neodymium Tweeter The Dayton Audio ND25TA-4 is a versatile 1″ titanium-dome tweeter that offers the performance of more expensive tweeters in a compact and stylish package. It features a Dayton Audio exclusive round faceplate design with integral perforated steel grille, and a small yet powerful neodymium motor with attached aluminum heatsink and ferrofluid-filled magnetic gap for reduced power compression and improved long-term power handling. The carefully-designed titanium diaphragm provides clean, crisp treble response to beyond 22 kHz, and delivers superb sonic detail and dynamics with low distortion. A copper pole cap further reduces distortion and inductance effects. Choose the ND25TA-4 when you need maximum dynamic impact and powerfully-rendered sonic detail to keep up with a high-output midrange or woofer. The compact round faceplate design integrates easily into your baffle design without claiming a large amount of real estate, and the integrated grill protects the titanium dome from damage. Specifications: • Power handling: 20 watts RMS/40 watts max • VCdia: 1″ • Le: 0.48 mH • Impedance: 4 ohms • Re: 3.2 ohms • Frequency Range: 2,900 – 20,000 Hz • Fs: 1,470 Hz • SPL: 91 dB 2.83V/1m • Dimensions: Overall diameter: 2.60″, Cutout diameter: 1.78″, Depth: 1.20″. Overview Dayton Audio’s ND25TA-4 compact titanium dome tweeter features high output and smooth response to beyond 22 kHz, for maximum dynamic impact and excellent transient response. The high-strength neodymium motor is equipped with an aluminum heatsink for cool operation and reduced power compression. Highlights 1″ titanium dome diaphragm with damped fabric surround Compact round faceplate and protective metal grill High-strength neodymium motor with heatsink and ferrofluid cooling Smooth and detailed treble response to 22 kHz and beyond Clean, modern styling and appearance