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旧 Mar 2nd, 2008, 09:58     #1
laolee
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默认 怎样买音响?

不是发烧友级,只求一般听起来不错的音响,就看看电影唱唱k,大家给点意见,谢谢了.
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旧 Mar 2nd, 2008, 16:43   只看该作者   #2
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默认

futrue shop, best buy

打折的时候买
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旧 Mar 2nd, 2008, 20:26   只看该作者   #3
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默认

这边很多音响都不带唱K功能, 购买时请留意.



诚实, 宽容, 平和, 友善
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旧 Mar 2nd, 2008, 21:38   只看该作者   #4
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默认

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作者: lpu_chinasmile 查看帖子
这边很多音响都不带唱K功能, 购买时请留意.


要买很低档的那种便携收录机才有。刚买了一件就是要这唱k功能的收录机(fm/am/type, 没cd),配一个mic, 但有2个口,才20刀。
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旧 Mar 3rd, 2008, 22:35   只看该作者   #5
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默认

买AV功放,雅马哈的就行,输入输出接口要多而且灵活。
音箱推荐买JBL书架式,俩就能应付一般house房间看电影听音乐唱歌的要求。5.1或7.1没必要,也没地摆。

类似sony那种一堆塑料小盒子的家庭影院套件看看动作片DVD也能轰隆隆满震撼的,但是听音乐唱歌就差些了。

ok机需要单买万利达步步高之类的国产牌子。costco也卖老外的ok机,看现场演示也不错,但没那么多内录歌曲,还都是外文的。
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旧 Mar 3rd, 2008, 23:54   只看该作者   #6
laolee
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默认

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作者: mildkiller 查看帖子
买AV功放,雅马哈的就行,输入输出接口要多而且灵活。
音箱推荐买JBL书架式,俩就能应付一般house房间看电影听音乐唱歌的要求。5.1或7.1没必要,也没地摆。

类似sony那种一堆塑料小盒子的家庭影院套件看看动作片DVD也能轰隆隆满震撼的,但是听音乐唱歌就差些了。

ok机需要单买万...

谢谢,买万利达了,试现成有套音响,发现5.1输出没用,只能用dvd的两个输出,5个喇叭都有声音,这样电视只能插5.1的前左右两插口,这样5喇叭才有两喇叭响
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旧 Mar 4th, 2008, 09:40   只看该作者   #7
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默认

5.1还是必要的。7.1就多了点。5.1音源都不少,DVD/HDTV部分,DTS CD都是。要接HDTV的5.1,好像有个光纤才行。
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旧 Mar 4th, 2008, 15:55   只看该作者   #8
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默认

借问一下这些av功放是不是还是以前被骂得全死的stk之类的功放呢?

还是全甲类新甲类之类的呢?
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旧 Mar 4th, 2008, 22:31   只看该作者   #9
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默认

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借问一下这些av功放是不是还是以前被骂得全死的stk之类的功放呢?

还是全甲类新甲类之类的呢?
全甲类?不是开玩笑吧。曾经在EBAY上看到过几款名品全甲类,都是十几年前的老东西,售价还非常不菲。就算不是全甲类,就算是所谓的STK,见过一套80年代的麦金塔,从前级到后级,卖主还叫价2000美元以上。另外用全甲类做AV,恐怕也没人这么干的,所谓甲类乙类甲乙类是指的功率放大,实质就是放大电流去驱动喇叭,是后级功放,前端还是需要前级的,而且AV功放输入信号种类众多,加入环绕效果就意味着电子运算程序的加入,和甲类与否没什么关系。


另外,现今AV功放都标称全声道功放,5.1的要求需要5个声道功率放大一致,就算每个声道80瓦,也需要480瓦的均方根功率输出,如果用甲类放大,估计你们家的入户变压器需要更换,家里需要一个冷库级的空调来制冷,这台功放本身也快赶上冰箱大小了。
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旧 Mar 5th, 2008, 08:09   只看该作者   #10
laolee
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默认

赫赫,什么全甲类新甲类之类stk我都看懵了,现在我有的是科宝一个低音喇叭带5个小喇叭那种,前3年前在唐人街200刀买的,凑合用暂时,如果想升级该怎么进行?
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旧 Mar 5th, 2008, 13:29   只看该作者   #11
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默认

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作者: laolee 查看帖子
赫赫,什么全甲类新甲类之类stk我都看懵了,现在我有的是科宝一个低音喇叭带5个小喇叭那种,前3年前在唐人街200刀买的,凑合用暂时,如果想升级该怎么进行?
很简单,按预算的百分比来购买器件。60%用于喇叭组,10%是音源,30%用于功放。

甲类乙类的是电流放大的方式,是放大整个正弦波还是只放大一半什么的,具体的我也都忘光了,只知道全甲类效率很低,发热极大,耗电量多,功率小,但声音温暖甜美,全甲类一般用电子管做电流推动元件。STK是指用晶体管做电流放大元件,东芝的功率放大晶体管一般都用STK开头。晶体管放大器很少用全甲类的,基本上都是甲乙类的。
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旧 Mar 5th, 2008, 15:14   只看该作者   #12
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默认

甲类乙类放大是指末级功率推动。纯甲类只放大弦波一半的波形。所以理论效率最高只有50%。乙类放大就不一样,能放大弦波所有波形。实际应用中,甲类放大器的效率能到40%已经是很好了。不过,甲类放大只有一个推动管,不存在匹配的问题。而乙类放大就有两个推动管,要得到perfect的音质,两个推动管参数一定要一样,这在现实工业生产中是不可能的。而且末级推动放大倍率很大,一点点distortion就很明显。
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旧 Mar 5th, 2008, 15:18   只看该作者   #13
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默认

超甲的比较好,以前有一台av中心是。
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旧 Mar 5th, 2008, 15:33   只看该作者   #14
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默认

STK是约25年前很流行的三洋的功放模块。一般是接成OCL配大环负反馈使用。

这么多年了也不知现在都进化到什么层次了。

AV与高保真不是一个概念。如果要上到档次恐怕还得甲类。

说道功耗也没什么大不了。每个声道1000瓦也不过相当于烘干机而已。
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旧 Mar 6th, 2008, 07:53   只看该作者   #15
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默认

甲类英文怎么说呀?有多少钱能弄个够档次的甲类?未来商店里的receiver都是$300以上,加上音箱至少也一千多啦吧?
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旧 Mar 6th, 2008, 08:04   只看该作者   #16
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默认

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作者: laolee 查看帖子
甲类英文怎么说呀?有多少钱能弄个够档次的甲类?未来商店里的receiver都是$300以上,加上音箱至少也一千多啦吧?
如果没有多少预算,不要想甲类功放。Futureshop的东西不是发烧的,打折时候普通家用正好。如果有经验,也可以上ebay,那里的deal更好。

另,1000多的只能是入门,发烧的,除了自己做或者有其他特殊来路,10倍于这个数字都远远不够
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旧 Mar 6th, 2008, 21:26   只看该作者   #17
laolee
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默认

去未来店看了一下,他们推销功放打包音响,有600也有1100,说省好几百
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旧 Mar 6th, 2008, 22:24   只看该作者   #18
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默认

引用:
作者: laolee 查看帖子
甲类英文怎么说呀?有多少钱能弄个够档次的甲类?未来商店里的receiver都是$300以上,加上音箱至少也一千多啦吧?
Class A amplifier
btw, 唱k的,mississauga信和广场的无线mic还可以,讲价38/对。
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