Dayton Audio PC105-8 4″ Full-Range Poly Cone Driver

Dayton Audio PC105-8 4″ Full-Range Poly Cone Driver Overview:Dayton Audio’s PC105-8 4″ full-range driver will deliver smooth and natural response from extremely compact designs. When used in line arrays, portable speakers, sound bars, or as a dedicated midrange in 3-way designs this driver will prove to be an excellent value.The Dayton Audio PC105-8 4″ full-range driver features a poly damped woven glass fiber cone, damped rubber surround, and high energy motor. Thanks to the vented pole piece and vented aluminum voice coil former the PC105-8 can handle up to 40 watts RMS for surprising output capability with minimal power compression. The addition of a copper cap on the extended pole improves cone control, lowers inductance, and decreases distortion allowing for improved high frequency response. Offering great full-range performance, controlled off-axis response, and high efficiency, this driver will provide impressive output for its size. Perfect for use in line arrays, sound bars, portable speakers, or even car audio systems, the Dayton Audio PC105-8 will deliver high fidelity and low distortion from compact applications. Key Features:Poly damped woven glass fiber cone controls cone break-up and provides a smooth roll-offCopper cap keeps inductance under control and extends high frequency response1″ vented aluminum voice coil former and vented pole piece for high power handlingHigh energy ferrite magnet increases BL for higher efficiency and more outputSmooth response with true full-range reproduction for simple speaker designs Product Details:BrandDayton AudioModelPC105-8Unit of MeasureEachWeight1.6 Product Specification:Nominal Diameter4″Power Handling (RMS)40 WattsPower Handling (MAX)80 WattsSensitivity80 Watts86.3dB 2.83V/1mVoice Coil Diameter1″Frequency Response80 to 15,000HzImpedance8Ω Thiele  Small Parameters:Resonant Frequency (Fs)84.8HzDC Resistance (Re)6.7ΩVoice Coil Inductance (Le)0.54mHMechanical Q (Qms)2.29Electromagnetic Q (Qes)0.88Total Q (Qts)0.64        Compliance Equivalent Volume (Vas)0.12ft³Mechanical Compliance of Suspension (Cms)0.84mm/NBL Product (BL)4.1T·mDiaphragm Mass Inc. Airload (Mms)4.2gMaximum Linear Excursion (Xmax)2mmSurface Area of Cone (Sd)52.8cm² Materials of Construction:Cone MaterialPoly CompositeSurround MaterialRubber                  Voice Coil Wire MaterialCCA                         Voice Coil FormerAluminum                   Basket / Frame MaterialSteelMagnet MaterialFerrite Mounting Information:                      Overall Outside Diameter4.96″  Baffle Cutout Diameter4.00″Depth2.36″# Mounting Holes4 Dayton Audio PC105-8 SpecificationsDayton Audio PC105-8 Graphs/FRD/ZMA Data File