Dayton Audio ND64-4 2-1/2″ Aluminum Magnesium Cone Full Range Neo Driver 4Ohm

Dayton Audio ND64-4 2-1/2″ Aluminum Magnesium Cone Full Range Neo Driver 4Ohm Overview:Dayton Audio’s ND64-4 is truly a full-range, low distortion driver and capable of over 6 mm of peak-to-peak excursion. When teamed up with the matching ND series passive radiators this driver can produce incredible full sound from compact enclosures. Key Features:Rubber-edged aluminum magnesium alloy coneDual neodymium motor structure4-layer voice coil with polyimide formerCopper sleeve to minimize distortionHigh power handling Product Details:BrandDayton AudioModelND64-4Unit of MeasureEachWeight0.35  Product Specifications:Nominal Diameter2-1/2″Power Handling (RMS)15 WattsPower Handling (MAX)30 WattsImpedance4ΩFrequency Response100 to 20,000HzSensitivity85.2dB 2.83V/1mVoice Coil Diameter0.75″ Thiele-Small Parameters:Resonant Frequency (Fs)103HzDC Resistance (Re)3.7ΩVoice Coil Inductance (Le)0.37mHMechanical Q (Qms)4.36Electromagnetic Q (Qes)0.36Total Q (Qts)0.33Compliance Equivalent Volume (Vas)0.015ft³Mechanical Compliance of Suspension (Cms)0.93mm/NBL Product (BL)4.13T·mDiaphragm Mass Inc. Airload (Mms)2.56gMaximum Linear Excursion (Xmax)1.9mmSurface Area of Cone (Sd)15.6cm² Materials of Construction:Cone MaterialAluminum / MagnesiumSurround MaterialRubberVoice Coil Wire MaterialCCAVoice Coil FormerKapton® / PolyimideBasket / Frame MaterialSteelMagnet MaterialNeodymium Mounting Information:Overall Outside Diameter2.52″Baffle Cutout Diameter2.09″Depth1.54″# Mounting Holes4 Dayton Audio ND64-4 SpecificationsDayton Audio ND64-4 Graphs/FRD/ZMA Data File