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--  各类扬声器设计室  (http://nju520.com/bbs/list.asp?boardid=30)
----  指导指导  (http://nju520.com/bbs/dispbbs.asp?boardid=30&id=4047)
--  作者：wsf912
--  发布时间：2006-11-23 19:31:00
--  指导指导
   
 Name  Value  Unit  Comment 
 Electrical Parameters          
 Re  7.44  Ohm  electrical voice coil resistance at DC 
 Le  1.640  mH  frequency independent part of voice coil inductance 
 L2  1.235  mH  para-inductance of voice coil 
 R2  3.08  Ohm  electrical resistance due to eddy current losses 
 Cmes  145.29  µF  electrical capacitance representing moving mass 
 Lces  115.02  mH  electrical inductance representing driver compliance 
 Res  117.34  Ohm  resistance due to mechanical losses 
 fs  38.9  Hz  driver resonance frequency  
   
 Mechanical Parameters          
 (using laser)          
 Mms  13.837  g  mechanical mass of driver diaphragm assembly including air load and voice coil 
 Mmd (Sd)  12.971  g  mechanical mass of voice coil and diaphragm without air load  
 Rms  0.812  kg/s  mechanical resistance of total-driver losses 
 Cms  1.208  mm/N  mechanical compliance of driver suspension 
 Kms  0.83  N/mm  mechanical stiffness of driver suspension 
 Bl  9.76  N/A  force factor (Bl product) 
 Lambda s  0.061     suspension creep factor 
   
 Loss factors          
 Qtp  0.250     total Q-factor considering all losses 
 Qms  4.170     mechanical Q-factor of driver in free air considering Rms only 
 Qes  0.265     electrical Q-factor of driver in free air considering Re only 
 Qts  0.249     total Q-factor considering Re and Rms only 
   
 Vas  30.1119  l  equivalent air volume of suspension  
 n0  0.646  %  reference efficiency (2 pi-radiation using Re)  
 Lm  90.30  dB  characteristic sound pressure level (SPL at 1m for 1W @ Re) 
 Lnom  90.61  dB  nominal sensitivity (SPL at 1m for 1W @ Zn) 
   
 rmse Z  5.58  %  root-mean-square fitting error of driver impedance Z(f) 
 rmse Hx  1.80  %  root-mean-square fitting error of transfer function Hx (f) 
   
 Series resistor  0.00  Ohm  resistance of series resistor 
 Sd  132.73  cm  diaphragm area 

以上是样品

我的

   
 Name  Value  Unit  Comment 
 Electrical Parameters          
 Re  7.44  Ohm  electrical voice coil resistance at DC 
 Le  1.640  mH  frequency independent part of voice coil inductance 
 L2  1.235  mH  para-inductance of voice coil 
 R2  3.08  Ohm  electrical resistance due to eddy current losses 
 Cmes  145.29  µF  electrical capacitance representing moving mass 
 Lces  115.02  mH  electrical inductance representing driver compliance 
 Res  117.34  Ohm  resistance due to mechanical losses 
 fs  38.9  Hz  driver resonance frequency  
   
 Mechanical Parameters          
 (using laser)          
 Mms  13.837  g  mechanical mass of driver diaphragm assembly including air load and voice coil 
 Mmd (Sd)  12.971  g  mechanical mass of voice coil and diaphragm without air load  
 Rms  0.812  kg/s  mechanical resistance of total-driver losses 
 Cms  1.208  mm/N  mechanical compliance of driver suspension 
 Kms  0.83  N/mm  mechanical stiffness of driver suspension 
 Bl  9.76  N/A  force factor (Bl product) 
 Lambda s  0.061     suspension creep factor 
   
 Loss factors          
 Qtp  0.250     total Q-factor considering all losses 
 Qms  4.170     mechanical Q-factor of driver in free air considering Rms only 
 Qes  0.265     electrical Q-factor of driver in free air considering Re only 
 Qts  0.249     total Q-factor considering Re and Rms only 
   
 Vas  30.1119  l  equivalent air volume of suspension  
 n0  0.646  %  reference efficiency (2 pi-radiation using Re)  
 Lm  90.30  dB  characteristic sound pressure level (SPL at 1m for 1W @ Re) 
 Lnom  90.61  dB  nominal sensitivity (SPL at 1m for 1W @ Zn) 
   
 rmse Z  5.58  %  root-mean-square fitting error of driver impedance Z(f) 
 rmse Hx  1.80  %  root-mean-square fitting error of transfer function Hx (f) 
   
 Series resistor  0.00  Ohm  resistance of series resistor 
 Sd  132.73  cm  diaphragm area 

[此贴子已经被作者于2006-11-24 16:12:09编辑过]
--  作者：美猴王
--  发布时间：2006-11-23 20:00:28
--  

这么是一样的！

真＂神＂！

我的如来佛祖啊！怎么现在世间的人，也会分身术拉！
--  作者：szyql
--  发布时间：2006-11-23 23:11:29
--  

牛,但不怕羞,吹吧?!
--  作者：wsf912
--  发布时间：2006-11-24 17:54:47
--  
   
 Name  Value  Unit  Comment 
 Electrical Parameters          
 Re  6.89  Ohm  electrical voice coil resistance at DC 
 Le  1.100  mH  frequency independent part of voice coil inductance 
 L2  1.469  mH  para-inductance of voice coil 
 R2  5.59  Ohm  electrical resistance due to eddy current losses 
 Cmes  252.20  µF  electrical capacitance representing moving mass 
 Lces  64.74  mH  electrical inductance representing driver compliance 
 Res  45.14  Ohm  resistance due to mechanical losses 
 fs  39.4  Hz  driver resonance frequency  
   
 Mechanical Parameters          
 (using laser)          
 Mms  16.381  g  mechanical mass of driver diaphragm assembly including air load and voice coil 
 Mmd (Sd)  15.54  g  mechanical mass of voice coil and diaphragm without air load  
 Rms  1.439  kg/s  mechanical resistance of total-driver losses 
 Cms  1.00  mm/N  mechanical compliance of driver suspension 
 Kms  1.00  N/mm  mechanical stiffness of driver suspension 
 Bl  8.06  N/A  force factor (Bl product) 
 Lambda s  0.066     suspension creep factor 
   
 Loss factors          
 Qtp  0.37     total Q-factor considering all losses 
 Qms  2.82     mechanical Q-factor of driver in free air considering Rms only 
 Qes  0.43     electrical Q-factor of driver in free air considering Re only 
 Qts  0.37     total Q-factor considering Re and Rms only 
   
 Vas  24.0958  l  equivalent air volume of suspension  
 n0  0.329  %  reference efficiency (2 pi-radiation using Re)  
 Lm  87.37  dB  characteristic sound pressure level  
   
 rmse Z  3.76  %  root-mean-square fitting error of driver impedance Z(f) 
 rmse Hx  2.30  %  root-mean-square fitting error of transfer function Hx (f) 
   
 Series resistor  0.00  Ohm  resistance of series resistor 
 Sd  130.70  cm  diaphragm area 

Sorry,sorry. 这才是样品的

如过我把Kpton VC Bobbin换成AL的,再把BL值降一下,Le,R2,L2 会不会就合他的接近了?
--  作者：hualong
--  发布时间：2006-11-27 10:37:56
--  
所有的参数都做到一样是不可能的，要求给个公差
--  作者：wsf912
--  发布时间：2006-11-27 17:17:54
--  
那我的喇叭在客户那能过得去吗?
--  作者：wsf912
--  发布时间：2006-11-27 17:21:46
--  

那我的喇叭在客户那能过得去吗?

听起来中音有点吵,低音有点薄,什么该呢?把阻尼加大,同时把音圈加重?
--  作者：jma
--  发布时间：2006-11-30 21:49:39
--  

将鼓纸的质量增加或许能起到一举两得效果！

呵呵！灌水！