PMT-20N12AL05-04

Transducer Specification Sheet Model No: Product Line: PMT-20N12AL05-04 Rev DVR1 Last Update: 2017-01-05 14:18:35 Product Description This 20 mm 4 ohm compact Premium Micro Transducer is designed for computer, television array, and similar applications. It features a neodymium-iron-boron magnet, a light aluminium cone, and a high-temperature polycarbonate frame. The PMT family`s transducers feature low resonant frequencies and a full range bandwidth. Based on PMT-20N12AL03-04 with terminal pins. NOTE THIS DRIVER IS NOT APPROVED AND/OR IS NOT IN MASS PRODUCTION YET. AS SUCH IT MAY BE SUBJECT TO CHANGE. SPEC IS ONLY FOR INFORMATION. PLEASE CHECK STATUS WITH THE ENGINEER Mechanical Drawing Specifications DC Resistance Revc Minimum Impedance Zmin Voice Coil Inductance Le Resonant Frequency Fs Mechanical Q Factor Qms Electrical Q Factor Qes Total Q Factor Qts Ratio Fs/Qts F Half Space Sensitivity @2.83V db@2.83V/1M Half Space Sensitivity @1W/1M db@1W/1M Gap Height Gh Maximum Linear Excursion Xmax Ferrofluid Type FF Transducer Mass Kg Ohms Ohms mH Hz Fs/Qts dB dB mm mm 3.53 5.0% 4.16 7.5% 0.02 438.83 15% 1.38 3.57 0.98 447.79 75.61 +/- 1.0db 72.76 +/- 1.0db 0.8 0.5 APG834 Energy Bandwidth Product Moving Mass Suspension Compliance Effective Cone diameter Effective Piston Area Effective Volume Motor Force Factor Motor Efficiency Factor Voice coil former Material Voice coil inner diameter Rated Noise Power Test Spectrum Bandwidth Transducer Size 0.01 Frequency and Impedance Response Tymphany HK LTD Address : Room 1307-8 Dominion Centre, 43-59 Queens Rd East, Wanchai, Hong Kong E-mail: sales@tymphany.com Printed by Jason Kelly EBP Mms Cms D Sd Vas BL ß VCfm VCd P 400-20K Hz mm (1/Qes)*fs g um/N cm cm^2 L Tm (T*M^2)/Ohms mm W 20 122.92 0.17 836 1.66 2.16 0.01 0.7 0.14 KSV 12 1