Additional Details ------------------------------ Bullet point: Silk dome produces natural response with low distortion_Exceptionally flat high frequency response for accurate and dynamic reproduction_Copper cap lowers inductance and reduces distortion_1" diameter voice coil with ferrofluid cooling for excellent power handling_High-strength neodymium motor offers low distortion and high efficiency_Retains the same "family look" as the popular Designer Series woofers, subwoofers and passive radiators Product description: Quick Overview Sharing the same look as Dayton Audios popular Designer Series drivers, the DSN25F-4 1" soft dome tweeter has been optimized to deliver smooth response with remarkably high efficiency. With a compact faceplate, low distortion copper cap, and 4 ohm impedance, this tweeter is ideal for use in 2-way MTM designs. Product Highlights Silk dome produces natural response with low distortion Exceptionally flat high frequency response for accurate and dynamic reproduction Copper cap lowers inductance and reduces distortion 1" diameter voice coil with ferrofluid cooling for excellent power handling High-strength neodymium motor offers low distortion and high efficiency Retains the same "family look" as the popular Designer Series woofers, subwoofers and passive radiators Product Manuals / Spec Sheets / Downloads Dayton Audio DSN25F-4 Specification Sheet Dayton Audio DSN25F-4 Data FilesBuying Options Buy NowBuy Internationally Product Description Dayton Audios Designer Series DSN25F-4 1" silk dome tweeter has everything you have come to expect from the Designer Series drivers such as smooth frequency response, low distortion, good efficiency, and even a matching frame. Driver integration and crossover designs are simple with smooth response from 2,500 to 20,000 Hz and predictable roll off on the low end. The powerful Ferrofluid cooled neodymium motor provides high efficiency allowing excellent dynamics while keeping size and weight to a minimum. Finally, the DSN25F-4 includes a copper cap on the pole piece to lower distortion ensuring accurate high frequency response. Product Details Speaker Series Specialty Drivers Series Model Number DSN25F-4 Color Black Unit of Measure Each UPC 848791004704 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 0.25 Speaker Type Tweeter Nominal Diameter 1" Power Handling (RMS) 30 watts Power Handling (max) 60 watts Continuous Program Power -- Impedance 4 ohms Sensitivity 95 dB 2.83V/1m Frequency Response 2,500 - 20,000 Hz Voice Coil Diameter 25.4 mm Magnet Weight -- DC Resistance (Re) 3.20 ohms Voice Coil Inductance (Le) 0.03 mH Resonant Frequency (Fs) 1495 Hz Mechanical Q (Qms) 3.11 Electromagnetic Q (Qes) 2.62 Total Q (Qts) 1.42 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 Fabric Entry / Exit Diameter -- Surround Material -- Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket/Frame Material Steel Magnet Material Neodymium Overall Outside Diameter 72.2 mm Overall Depth 17.2 mm Baffle Cutout Diameter 42 mm Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --