<img src="attachments/dvbbs/2005-12/200512231524446.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/2005-12/200512231524446.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
备料:今年夏天,我的新房装修,谋划已久的ProAC R2.5阴谋正好得以实施。以前我有一对落地箱是三分频,用的是国产喇叭,所以老婆一直不同意我再续二房,直到我把原来的音箱送给老丈人,她才同意。。。
喇叭单元是从网上邮购的,升艺和东迅都有。分频器的元件也是网收集来的。网络真是一个不错的东西,可以帮你找到一切你想要的东西。
开始施工:
1、 破板: 我在建材市场买了一块MDF密度板,180多,比普通的密度板贵,(普通的一块也就七八十块钱),18mm厚,让木工用电锯破成需要的尺寸。这也是DIY音箱的一个难题,用手锯又慢,又锯不好,还是电锯好。可是不装修上那去找电锯呢。
2、 开孔:又一个难题,装修师付没有曲线锯,这可怎么办?自已动手吧,我自已做了一个,还比较好用,就是费工夫,开一个孔大约要1多个小时,因为还要开沉孔,
<img src="attachments/dvbbs/2005-12/20051223151256286.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/2005-12/20051223151256286.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
安装好后的样子<img src="attachments/dvbbs/2005-12/20051223151341268.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/2005-12/20051223151341268.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
3、 喇叭固定:MDF板易碎,用木螺丝固定喇叭恐怕会破坏箱体,因此我以3mm的钻头循著喇叭的螺孔位置钻穿,打入1.5mm长的六角铜柱,然后在由箱壁内侧用螺丝固定,这样之后就可以使用内六角螺丝固定喇叭了。
4、 贴皮:贴坏了好几张木皮纸,好在它便宜,贴一对音箱也就20多块钱,现在的水平很高了,哈哈。关键是要把木皮纸裁开,然后一面一面的贴,就不会贴坏了。最后用裁纸刀裁掉多余的,就OK了。很漂亮吧。
<img src="attachments/dvbbs/2005-12/20051223151913612.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/2005-12/20051223151913612.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
这是底座,装了脚钉
<img src="attachments/dvbbs/2005-12/20051223152119902.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/2005-12/20051223152119902.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
5、 分频器:网上有好几个版本,我还是用原厂的设计。这就是仿原厂箱的好处,自己不用设计分频器,否则调整分频器、校声,很麻烦的,这也是普通发烧友无法完成的。元件固定在一块木板上,搭蓬焊接,没有用电路板,方便以后调整。
分频网络图:
<img src="attachments/dvbbs/2005-12/20051223153113221.gif" 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/2005-12/20051223153113221.gif\');}" onmousewheel="return imgzoom(this);" alt="" />
这是我的搭蓬分频器:
<img src="attachments/dvbbs/2005-12/2005122315306170.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/2005-12/2005122315306170.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
6、 吸音棉:我的厕所里下水管道在装修时我都用吸音棉包起来,用来隔音,顺便多买了一些吸音棉放在音箱里。
OK
说说听音效果吧,据说ProAc喇叭以搭配胆机或A类晶体机为佳,先接上一个自制的集成功放,想试试能不能推动这对2.5,结果是:低频基本丧失,轰隆轰隆的响,真是茶壶里煮饺子----倒不出来。中高频还可以,但也只听了30分钟就关机了。接着该PASS的Aelph5出场了,A5也是DIY的,这个A类功放我就不用多介绍了,论坛里有很多讨论。呵呵,完全不一样了,CD是marantz的CD-52MKII(YLJ,但比我的DVD强多了),没有前级。2.5的高频延伸上很好,很真实,可以感觉定位感鲜明,由其闭上眼睛听的时候,声音的定位很神奇的,呵呵。听慕特的《卡门幻想曲》,小提琴听起来,丰美的声音直叫人起鸡皮疙瘩,听苏曼的《佳人曲》,一开声,吓了我一大跳,晚上听,如果不小心真的有点害怕,因为房里会突然多出一个人来唱歌,好怕怕哦。低频,是最让人难以相信的,虽然做这对音箱前看过相关的评价,但当亲耳听到的时候,还是很惊讶8535的表现,这个只有7寸的单元,能发出这样的低音,比我原来8寸的低音强多了。“这对箱子可以让时间在不知不觉中滑走,而你却丝毫没有离意”,现在终于明白了这段话的含意。该睡觉了,可是还不想关机。