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虾扯蛋 [复制链接]

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Albert Lau

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  • 2003-06-11
1#
t T
发表于 2013-10-24 11:58 |显示全部

非常重要的Xmax欠奉
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3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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Albert Lau

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  • 2003-06-11
2#
t T
发表于 2013-10-24 11:59 |显示全部

Xmax MEASUREMENT


Under voice coils(length of the winding shorter than the gap heigth):

(VC length - Gap height)/2 + 0.15 VC length

Overhang voice coils(length of the winding longer than the gap heigth):

(VC length - Gap height)/2
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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3l
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Albert Lau

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  • 2003-06-11
3#
t T
发表于 2013-10-24 12:00 |显示全部

附加声管的长度计算



Lv：附加声管的长度，单位 cm.
Rv：附加声管的截面等效半径，单位 cm.
Vc：声箱的净容积，单位 cm↑3.
Fb：附加声管的谐振频率，单位 Hz.

验证ATD推荐的三组数据

14L  Fb 45Hz  Dp 50mm  Lv → 17.15 cm

18L  Fb 43Hz  Dp 50mm  Lv → 14.06 cm

24L  Fb 40Hz  Dp 50mm  Lv → 11.70 cm
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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3l
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Albert Lau

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  • 1649
  • 1661
  • 2003-06-11
4#
t T
发表于 2013-10-24 15:37 |显示全部

杀了藕也不用
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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3l
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Albert Lau

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  • 1649
  • 1661
  • 2003-06-11
5#
t T
发表于 2013-10-24 15:41 |显示全部

这单元只适合做中音用
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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3l
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Albert Lau

  • 论坛博士后
  • 1649
  • 1661
  • 2003-06-11
6#
t T
发表于 2013-10-24 15:46 |显示全部

http://www.hiendlife.com/x1/forum.php?mod=viewthread&tid=21683&extra=page%3D1


隔壁中招那位网兄，需要藕帮忙，请EM：3l-audio@163.com，免费的.
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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