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发表于 2005-3-24 12:32 | 显示全部楼层
1.外观篇
    这个东东是用一个装旦卷的铁皮盒子改装的,原来是金色的,我将商标部分和大部分喷了银色,保留小许金色
正面
<img src="attachments/dvbbs/2005-3/200532412274061.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/200532412274061.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
侧面
<img src="attachments/dvbbs/2005-3/2005324122838121.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324122838121.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
后面
<img src="attachments/dvbbs/2005-3/2005324123147877.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324123147877.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

2。构造篇
打开盖子,由于机箱的体积太小,原来打算用的环牛电压过高,导致发热量太大,换了一个EI牛,但体积较原来的高,就将功放板翻过来放了,,呵呵,好在,,刚好能放进去
<img src="attachments/dvbbs/2005-3/2005324123332502.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324123332502.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

这是用5块1875和洞洞板做的后级功放板,用了个P4的散热器从中间锯开两个声道一半,中间声道的自己用半块散热片
<img src="attachments/dvbbs/2005-3/2005324123649450.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324123649450.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

<img src="attachments/dvbbs/2005-3/200532412391040.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/200532412391040.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

<img src="attachments/dvbbs/2005-3/2005324124017277.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324124017277.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

前级部分,,用NE5532做前级放大和高低音调节,因为有5个声道输入,我做了两个一样的前级,中间声道的就用一块5532做放大,没有调节,前面声道和后面声道的两块板子叠了起来,像一个小架子,呵呵,,因为装起来了就没有拍到图片

<img src="attachments/dvbbs/2005-3/2005324124222250.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324124222250.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
图上隐约可以看到上下有两块板的
<img src="attachments/dvbbs/2005-3/2005324124551773.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324124551773.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
写真
<img src="attachments/dvbbs/2005-3/2005324124717840.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324124717840.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
这是中置声道的前级

电源部分是我比较头痛的,原来的不小心,以为1875可以用双35V的电压,用了个环牛,而且设计的电源滤波整流都是按照牛来装的,装好后发觉发热太大,就算没信号输入都很热,没办法,上论坛请教高手后发现原来是电压搞错了,刚好手头有个双12V的EI牛,就先用着吧,但那个Ei太高了,功放板放不进,不得已就翻过来放
<img src="attachments/dvbbs/2005-3/2005324124958865.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324124958865.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
EI

<img src="attachments/dvbbs/2005-3/20053241254147.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/20053241254147.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
滤波整流板,以前在陶街淘了两个33000uF25V的电容,上面居然只是用纸贴上的标签,连正负极都没有标的,但看做工都挺不错,不像流野,呵呵,,回来用上,感觉还可以



<img src="attachments/dvbbs/2005-3/2005324125719427.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324125719427.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

信号输入部分,因为本人比较喜欢听收音机,或者单独开CD机听CD,希望这个功放的主声道能有3个信号源选择,就用了一个4017和三个继电器做单键3路音频输入,继电器是在某个猫上拆下来的,呵呵,好像品质还可以,小日本的东西

<img src="attachments/dvbbs/2005-3/2005324125825401.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-3/2005324125825401.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
这个就算三个led指示不同的输入源

可以看到前面板有输入指示和一个轻触开关

小结
还有低音通道我没有做功放,是考虑到功率需要比较大的,这个小盒子装不下,打算整合到低音炮里面去了,我只是做了个放大和音量调节给低音输出通道。

小结:这个东东本来只是我用来增强自己电脑的5。1声道的效果,用来玩游戏和看DVDrip时候小爽一下的。呵呵,自从上了这个论坛后自己学多了不少知识,并不断改进自己的DIY水平。本来这里高手云集,小弟把这东东献出来实在是献丑了,没有用什么发烧的配件,没有做pcb板,所有东西都是以最大的DIy来diy的,哈哈。总之,虽然听起来不能和其他音响媲美,但自己听着还不错的,总之能发挥了他的最大用处,而且是自己做的,我就很心足了。








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发表于 2005-3-26 01:50 | 显示全部楼层

下午发的帖子没有了,重新写。


我也有计划用洞洞板搞个2声道的1875,也用P4散热片散热,请教:
1.外壳和散热片如何开孔?
2.电源滤波电路如何搞,有无图片

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发表于 2005-3-25 19:57 | 显示全部楼层

祝贺网站建立一周年

为何我下午回复的帖子没有了?

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发表于 2006-9-1 14:35 | 显示全部楼层
<p>楼主能不能给一个电路图啊</p><p>我准备做一块PCB, 谢谢&nbsp; <a href="mailto:micheal78@sohu.com">micheal78@sohu.com</a></p><p></p>

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发表于 2006-9-7 18:48 | 显示全部楼层
<p>不错,我也想做,就是感觉规模挺大的!</p><p>另外楼主能发个图吗?</p>
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发表于 2006-9-8 23:26 | 显示全部楼层
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发表于 2007-5-4 19:09 | 显示全部楼层
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发表于 2008-11-16 11:33 | 显示全部楼层
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发表于 2008-12-1 22:26 | 显示全部楼层
沉了

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发表于 2008-12-26 10:28 | 显示全部楼层
很强大。。。。

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发表于 2010-3-8 11:41 | 显示全部楼层
学习了

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发表于 2010-3-12 21:20 | 显示全部楼层
计发中也做一台5.1

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发表于 2010-4-30 21:19 | 显示全部楼层
楼主,发个5.1声道的电路图给小弟好吗,邮箱是0701060131@163.com

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发表于 2010-4-30 22:39 | 显示全部楼层
不错,支持了。

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发表于 2010-5-2 19:36 | 显示全部楼层
楼主发你的5.1声道的电路给我好吗邮箱是0701060131@163.COM

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发表于 2010-5-4 14:33 | 显示全部楼层
辛苦了!
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