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Transducer Specification Sheet Model Number: DX25TG09-04 Product Line: Peerless Gold Revision: Rev 1_0 Date: 28-Apr-10 Product Description: Place Photo Here This DX family tweeter features a 25 mm diameter 4 ohm ferrofluidcooled voice coil, a damped silk diaphragm with large surround roll to produce a low resonant frequency, and a ferrite magnet motor which adds heat sinking for power handling capacity. The faceplate features recessed mounting holes to minimize reflections. Mechanical 2D Drawing: Place Drawing Here Specifications: Revc Zmin Le fs Qms Qes Qts DC Resistance Minimum Impedance Voice Coil Inductance Resonant Frequency Mechanical Q Factor Electrical Q Factor Total Q Factor Ratio fs / Qts Half Space Sensitivity @ 2.83V Sensitivity @ 1W/1m F mH Hz fs / Qts 3.0 3.6 0.02 703 3.43 0.69 0.58 1220 [email protected]/1m 1W/1m dB dB 92.0 87.7 P W 100 Rated Noise Power (IEC 2685 18.1) Test Spectrum Bandwidth 2.5kHz - 20kHz 5.0% 7.5% 15.0% 1 +/-1.0 +/-1.0 1 Energy Bandwidth Product Moving Mass Suspension Compliance Effective Cone Diameter Effective Piston Area Equivalent Volume Motor Force Factor Motor Efficiency Factor EBP Mms Cms Voice Coil Former Material Voice Coil Inner Diameter Gap Height Maximum Linear Excursion VCfm VCd 12 dB/Oct Ferrofluid Type Transducer Size Transducer Mass 1 - Piston Band Sensitivity Tolerance D SD Vas BL (1/Qes)·fs g um/N cm cm2 L T·m 2 (T·m )/ Gh Xmax mm mm mm FF - inch Kg 1016 0.4 141 3.24 8.2 0.013 2.64 2.32 ASV 25.76 2.00 0.10 APGS11N 1 0.5 Frequency and Impedance Response: On Axis 30 Deg 60 Deg Imp 100 100 90 90 80 80 60 50 70 40 30 60 Impedance [Ohms] hms] @ 1.415Vrms SPL[dB] @ 2.83Vrms/1m 70 20 10 50 10 100 1000 10000 0 100000 Frequency [Hz] F088-0713A Tymphany HK Ltd Address : Room 1307-8 Dominion Centre, 43-59 Queen's Rd East, Wanchai, Hong Kong E-mail: [email protected] www.loudspeakershop.eu