Динамик ВЧ PEERLESS DX20BF00-08. Инструкция на английском языке

Transducer Specification Sheet
Model Number:  DX20BF00-08                                                           Revision:   Rev 3_0
Product Line: Peerless Gold                                                           Date:   7-Mar-13
Product Description:
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This DX family tweeter features a 8 ? 19 mm 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:
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Specifications:
DC Resistance   R evc  ?  7.5  ±7.5%  Energy Bandwidth Product  EBP  (1/Q es )·f s  191
Minimum Impedance  Z min  ?  8.3  ±7.5%      Moving Mass   M ms  g  0.12
Voice Coil Inductance   L e  mH  0.02   Suspension Compliance   C ms  um/N  310.0
Resonant Frequency   f s  Hz  810  ±20%  Effective Cone Diameter   D  cm  2.5
Mechanical Q Factor   Q ms  -  2.9        Effective Piston Area   S D  cm 2  4.9
Electrical Q Factor   Q es  -  4.23       Equivalent Volume   V as  L  0.011
Total Q Factor   Q ts  -  1.71          Motor Force Factor  BL   T·m  1.06
2
Ratio f s  / Q ts  F    f s  / Q ts  474  Motor Efficiency Factor  ?  (T·m )/?  0.15
Half Space Sensitivity @ 2.83V   dB@2.83V/1m  dB  86.1  ±1.0  1  Voice Coil Former Material   VC fm  -  ASV
Sensitivity @ 1W/1m  1W/1m  dB  85.8  ±1.0  1  Voice Coil Inner Diameter  VC d  mm  19.30
Gap Height  Gh  mm  2.00
Rated Noise Power (IEC 2685 18.1)  P  W  60   Maximum Linear Excursion  X max  mm  0.10
Test Spectrum Bandwidth   2.5KHz-20KHz  12 dB/Oct  Ferrofluid Type  FF  APG027N
Transducer Size  -  -  19 mm
1 - Piston Band Sensitivity Tolerance                 Transducer Mass  -  Kg  0.169
Frequency and Impedance Response:
On Axis  30 Deg  60 Deg  Imp
100                                                                       50
90                                                                        40
SPL[dB] @ 2.83Vrms/1m SPL[dB] @ 2.83Vrms/1m  80 70                         30 20 Impedance [Ohms] @ 1.415Vrms Impedance [Ohms] @ 1.415Vrms
60                                                                        10
50                                                                        0
100                     1000                    10000                  100000
F Frequency [Hz]requency [Hz]
F088-0713A
Tymphany HK Ltd
Address : Room 1307-8 Dominion Centre, 43-59 Queen's Rd East, Wanchai, Hong Kong
E-mail: sales@tymphany.com