Transcript
Driver Specification Sheet
Model No::
PMT-40N25AL01-04
1
Rev:
Product Line: Tymphany
Last Update: 2017-04-25 14:32:09
Product Description This 40 mm 4 ohm compact premium micro transducer is designed for computer, television array, and similar applications. It features a neodymium magnet, a light aluminium cone, and a hightemperature polycarbonate frame. The PMT family`s transducers feature low resonant frequencies, low THD and a full range bandwidth.
Mechanical Drawing
Specifications 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 Half Space Sensitivity @1W/1M Gap Height Maximum Linear Excursion Ferrofluid Type Driver Mass
Revc Zmin Le Fs Qms Qes Qts F
[email protected]/1M db@1W/1M Gh Xmax FF Kg
Ohms Ohms mH Hz
3.67 4.39 0.08 234.6 2.21
5.0% 7.5% 15%
0.61 Fs/Qts dB dB mm mm
0.48 492.86 85.44 82.8 2 1.9 APG834
+/- 1.0db +/- 1.0db
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 Driver Size
0.07
Frequency and Impedance Response
Tymphany HK LTD Address : Room 1307-8 Dominion Centre, 43-59 Queens Rd East, Wanchai, Hong Kong E-mail:
[email protected]
EBP Mms Cms D Sd Vas BL ß VCfm VCd P 100 Hz - 20K Hz Inch
(1/Qes)*fs g um/N cm cm^2 L Tm (T*M^2)/Ohms mm W 40 mm
1 457 3.29 8.5 0.05 3 2.4 KSV 25.5 5