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我弄了个阿尔法412的单元,设计了3个箱体,不知道哪个才合适用啊!最重要是不知道算错没有、、、求大神给个意见啊!
Model # PSW410E PSW412E
Fs 30
Qts 0.5
Qes 0.55
Qms 4.77
Vas (liters) 56
Re 3.75 x 2
Rms 500
Xmax +/- (mm) 9
Le 1.8
Sd 0.047
SPL 91
EBP 55
Mmd 146
Freq. Resp. 25Hz-500Hz
Depth (mm) 152mm
Through Hole (mm) 282mm
Diameter (mm) 277mm 325mm
Displacement .151 Cu.Ft.
Minimum Sealed 0.85
Sensitivity/dB 87
Maximum Sealed 1.2
Sensitivity/dB 86
Minimum Vented 2
Internal Volume 1.77
Port Dia/Inches 4
Port Length/Inches 12.5
(-3dB) 32
Tuning Freq. 35
Port Displacement 0.08
Maximum Vented 3.5
Internal Volume 3.27
Port Dia/Inches 4
Port Length/Inches 8.5
(-3dB) 26
Tuning Freq. 30
Port Displacement 0.05
1,倒相箱,按照最优声顺型设计的。数据是按照网上的公式计算出来然后在WINSD里面算的SPL曲线
Driver : PSW412E
Vas : 56.0
Qts : 0.50
Fs : 30.00
SPL : 91.00
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Project by : Administrator
Project for : you
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Number of drivers : 1
Box type : Vented
Box size : 86.4 l
Tuning frequency : 25.00 Hz
Vent : 2 vent(s)
0.516 m length for each
0.082 m round
2,四阶带通
Driver : PSW412E
Vas : 56.0
Qts : 0.50
Fs : 30.00
SPL : 91.00
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Project by : Administrator
Project for : you
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Number of drivers : 1
Box type : 4th Order Bandpass
Box size : Front chamber 20.0 l
Rear Chamber 36.0 l
Tuning frequency : 48.00 Hz
Vent : 1 vent(s) -> Front Chamber
0.881 m length for each
0.140 m round
3,6阶带通
Driver : PSW412E
Vas : 56.0
Qts : 0.50
Fs : 30.00
SPL : 91.00
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Project by : Administrator
Project for : you
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Number of drivers : 1
Box type : 6th Order Bandpass
Box size : Front chamber 16.5 l
Rear Chamber 60.0 l
Tuning frequency : 60.00 Hz (Front)
23.00 Hz (Rear)
Vent : 1 vent(s) -> Front Chamber
0.661 m length for each
0.140 m round
Vent : 2 vent(s) -> Rear Chamber
0.624 m length for each
0.068 m round
求大神验证啊!!!
我怕我有的数据搞不明白算错了啊
模拟的产品数据,只是你单体数据测试的准确,摸拟结果差不多了多少。个人觉得在不是很理解的情况下,先做简单的倒相箱,弄明白了再进行后面的两款箱体。当你箱体打样回来后进行测试你会发现还有很多问题需要你去解决反复校正才能得到你想要的近似模拟结果。。。个人见解,勿喷。。。。