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旧 Nov 15th, 2012, 10:53     #1
千金顶
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Talking

I have everything needed for speakers DIY. Two routers, lots of bits, Weller 120W soldering station, 5 different kind of saws. Are you going to fly here?
Only Router can do the work.
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旧 Nov 15th, 2012, 11:10     #2
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默认

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谢谢斑竹...你那么多家伙要经常做写好箱子才抵呀,呵呵...

还是自己去买个ROUTER...尽管以后可能再也不会去做LS了...做一次就做好...

千总啊, 焊枪多大功率合适? 超市里有40W, 25W的,不知道够不?
I diyed lots of speakers, this is the latest one
http://www.chinasmile.net/forums/sho...755&highlight=
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vodomore (Nov 15th, 2012)
旧 Nov 15th, 2012, 11:31     #3
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默认

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谢谢斑竹...你那么多家伙要经常做写好箱子才抵呀,呵呵...

还是自己去买个ROUTER...尽管以后可能再也不会去做LS了...做一次就做好...

千总啊, 焊枪多大功率合适? 超市里有40W, 25W的,不知道够不?
40W maybe is good for crossover elements but not enough for soldering the AWG6 wire and connectors
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vodomore (Nov 15th, 2012)
旧 Nov 15th, 2012, 19:27     #4
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默认

分频器搭棚焊吧,如果要整电路板就整整块用刀刻线,留下大部分铜皮。
松香不好整,去CT或HD买soldering flux,也就是酒精溶解的松香。
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vodomore (Nov 15th, 2012)
旧 Nov 15th, 2012, 21:23     #5
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默认

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嗯,大学时做过功放啥的(模电实验课)...知道一点儿...工作后再没摸过了...

TOMGOD说的有理,该找块电路板先熟熟手...适应一下温度和速度控制...

哦,对了,银焊锡是不是融点要高点(需要再大点功率的烙铁)?
百分之零点几的银,60w应该可以了。
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旧 Nov 18th, 2012, 19:31     #6
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默认

建议加前后支撑,你这个是闭箱吗?准备加什么吸音棉?建议羊毛。
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vodomore (Nov 18th, 2012)
旧 Nov 18th, 2012, 19:52     #7
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默认

小箱就不用前后支撑了,几寸的低音?6寸?不要用tape,干了会共振,用密封胶,浴缸用的。
不要用海绵,不吸音还占空间。上网买羊毛,俺知道Madsound卖,实在不行去Costco买一块新西兰羊毛皮,贴到里面,再不行有旧羊毛衫吧,那都比海绵好。
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vodomore (Nov 18th, 2012)
旧 Nov 18th, 2012, 19:58     #8
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默认

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千版啊, 能不能给个思路, 就是DRIVER啥的到了之后,怎么个测试呢? 不想等装完了才发现线路或是DRIVER有问题...DRIVER有什么常见问题吗?我订的是SEAS的TWITTER 和WOFFER...

是不是先把CROSS OVER弄好先, 然后简单连接上DRIVER, 连功放进行测试...
你这个分频都没定就把箱子做好了?自己设计的尺寸?还是闭箱?
啥单元?最好上网找别人做成功的箱子正好跟你的单元一样的分频,否则很难做好。自己测试还是算了吧,需要购置一大批工具跟软件。分频微调可以,不可能大调,你会买很多线圈,电阻电容?
单元到了先直接接到功放上小音量试试,只要没问题就行。先不要装箱,等把分频做好后在箱外接好测,
第一对箱子很难做满意,就当练手吧。落地三分12寸才是王道。
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旧 Nov 18th, 2012, 21:27     #9
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默认

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6寸...好的...谢谢! 你说的密封胶是silicone sealant吗? 还是别的?名字叫啥?

最后,箱子里的线缆该怎么整? 等调好后封箱时把线裹在一起? 怕线碰着箱子,会发出噪音...
用stapler订到箱壁
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vodomore (Nov 19th, 2012)
旧 Dec 1st, 2012, 23:48     #10
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默认 不错,听感如何?

你用的啥功放?马兰仕receiver吗?stand最好是实木的,结实,好看,不刷漆也行,去HD买maple的实木板。
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旧 Dec 1st, 2012, 23:51     #11
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Talking

发烧版太冷清了,很久没有精华了。
给老弟鼓鼓劲,争取多上一些照片图纸啥的。还有谈谈听感。
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vodomore (Dec 2nd, 2012)
旧 Dec 2nd, 2012, 10:56     #12
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默认 看来发烧也都差不多经历

俺也是在儿子几个月时LD带着回娘家休了三个月失足的。
最早是搞的方便面箱子南鲸喇叭,后来是惠威PS8A,二路的书架大箱,跟你这个差不多。后来忍不住用做了三路的落地,二路的就成环绕了。
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旧 Dec 3rd, 2012, 09:55     #13
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默认

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信号源是个很大的环节,普通DVD肯定不行,音频部分有的恐怕还赶不上早年的VCD机,SACD的技术特性要比CD好,但虽然含有CD层面,不意味SACD盘片可以取代传统CD,录音包括MASTER非常重要,从流行趋势来讲也很难说SACD会取代CD,现在的音响展都很少使用SACD,还是传统CD比较多,其主要原...
同意对SACD的意见,如果不放SACD的音源,对普通CD就是浪费,因为DA转换部分并不比CD机好,而这个又是CD最关键的。
俺现在主要是听无损的Flac或Ape,用老虎卡。
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旧 Dec 3rd, 2012, 15:32     #14
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默认

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原来是华硕的卡啊...看着都很爽...俺的创新又OUT了...估计AUDIGY2也就是玩电脑, HIFI还是差点...

哎,想当年对HIFI的第一次受毒是大昌到我们浙大室内体育馆搞展示...金嗓子推天朗...一片金碧辉煌的(金色的功放)深深记住了金嗓子...Accuphase这里不多见呀
俺曾经有一个金嗓子E202,快40岁了,依然强劲,很甜,推书架箱一流,推俺的土炮有点费劲,卖了,换了麦景图,俺现在是两个麦景图(一个MC2105,一个MC2205)一起推。
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Talking

今天仔细听了听,确实有9声蛙叫,感觉都是在右边。
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旧 Dec 4th, 2012, 17:46     #16
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默认

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俺的卡到了,已经装上了,不是老虎卡(既然您老已经用老虎了,本着多为烧友做小白鼠的精神,俺就选了创新...有个比较)...

听了一下, 只想说 "千总,谢谢!" ... 浓厚的音乐感扑面而来, 和创新家别的卡截然不同!

上图! (下面两张是灯光下小痰盂直拍,没闪光)....
还是THX认证的,好。
用的啥DAC片子?
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旧 Dec 9th, 2012, 11:37     #17
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默认

1000刀的B&W就是垃圾,纯卖牌子,里面的东西全是国产。还不如Futureshop或bestbuy的货。
10000刀的有点料,不过也不值。除了鹦鹉螺跟801D。
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旧 Dec 10th, 2012, 00:08     #18
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默认

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"全是国产"你是说中国产的意思? B&W的低端单元也是国产吗?
我的东西全是从madisound买的,感觉他们配件配料(分频电路元件, 线材, 焊锡, 接线板等...)都还不错.

千版, madisound的可选升级(分频电路)中,提供高频可升级到Mundorf高一些的电容,低频可升级到C...
没有贬低国货的意思,其实很多国货都很好,如惠威,不过比欧洲顶级厂商还是差些,如单拿,Scanspeakers,Seas,魔雷等。
上次俺到一个高级音响店,B&W跟Rotel的专卖,见到一对小落地箱,要3000多美刀,老板说是单拿的单元,俺仔细一看,发现那个低音是惠威仿造的单拿,主要区别就是中心罩单拿是开口的而惠威是封闭,不过有假的开口,不仔细看根本看不出来。俺当即跟老板说,要不你是在忽悠俺,要不就是你被忽悠了。老板不信,当场拆下喇叭,屁股上果然是惠威。老板就说了一F词。下次再去那箱子不见了。惠威仿造的很好,指标很接近单拿,说不定还给单拿代工。有专家认为惠威是最接近单拿的单元。但你卖单拿的价钱就不对了。

关于分频器的用料,高频的电容要好,低音的电感要好,因为他们都是信号要经过的而不是旁路。特别是高频电容,一定要选好的。还有三分的带通高频电容也一样要求。
至于电感,空心的就可以了,没必要上铜膜,太贵,不值,线径在14以下听感没有大区别。有人认为线径越大越好,其实不然,大了就导致很大个电感,占地方不说,还容易受干扰,而且导线的集肤效应会更严重,这时用铜膜就有优势了。
俺的电感是5mH的用的是Solen的perfect layer 14AWG的空心,一个大概3斤多。如果铜膜要一倍的价钱。重量差不多,体积小一些。
另外如果低通电路里需要电阻,一般用于降低低音灵敏度,这时可以考虑小线径的电感,把电感的电阻作为电路的一部分,还省钱。

此帖于 Dec 10th, 2012 00:52 被 千金顶 编辑。
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旧 Dec 15th, 2012, 11:54     #19
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Talking

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千总说的非常好,到位...佩服

另外一个问题,功放平时是用遥控放到OFF(估计就是STAND BY)就行了呢,还是得彻底关掉(按面板上的ON/OFF)? 来回开来关去的很麻烦呀...
Standby一直带电,里面的变压器一直在工作,不过负载很小,耗电很少,不过因为一直带电,有元器件老化问题。这个随你了,俺就留在待机状态,坏了正好换新的。
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