Tang Band W4-1879 4" Full Range Driver

The Tang Band W4-1879 full-range driver features an underhung neodymium motor design that provides extended, linear response while reducing 2nd and 3rd harmonic distortion. Highlights * Full-range capability * Underhung voice coil * Neodymium magnet structure * Extremely low harmonic distortion * Bamboo fiber paper cone * Durable foam rubber surround * Unique aluminum phase plug Product Details Tang Band W4-1879 4" Full Range Driver The Tang Band W4-1879 full-range driver features an underhung neodymium motor design that provides extended, linear response while reducing 2nd and 3rd harmonic distortion. The bamboo/paper cone is lightweight yet appropriately rigid and is terminated with a durable foam rubber half roll surround. A unique aluminum phase plug improves dispersion at the speaker's higher frequencies. PRODUCT SPECIFICATIONS Nominal Diameter 4" Power Handling (RMS) 25 Watts Power Handling (max) 50 Watts Impedance 8 ohms Frequency Response 55 to 20,000 Hz Sensitivity 87 dB 1W/1m Voice Coil Diameter 1" THIELE-SMALL PARAMETERS Resonant Frequency (Fs) 55 Hz DC Resistance (Re) 6.3 ohms Voice Coil Inductance (Le) 0.025 mH Mechanical Q (Qms) 2.68 Electromagnetic Q (Qes) 0.51 Total Q (Qts) 0.43 Compliance Equivalent Volume (Vas) 0.32 ft.³ BL Product (BL) 4.19 Tm Diaphragm Mass Inc. Airload (Mms) 4.0g Maximum Linear Excursion (Xmax) 5.0 mm Surface Area of Cone (Sd) 57 cm² MATERIALS OF CONSTRUCTION Cone Material Wood Fiber Surround Material Rubber Basket / Frame Material Cast Aluminum Magnet Material Neodymium MOUNTING INFORMATION Overall Outside Diameter 4.94" Baffle Cutout Diameter 3.76" Depth 3.18" Bolt Circle Diameter 4.53" # Mounting Holes 4 OPTIMUM CABINET SIZE (DETERMINED USING BASSBOX 6 PRO HIGH FIDELITY SUGGESTION) Sealed Volume 0.13 ft.³ Sealed F3 101 Hz Vented Volume 0.34 ft.³ Vented F3 52 Hz

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