[转贴] OBH21与OBH11

GTO

交易区新帖推荐

在haedroom看见的OBH21 和OBH11的区别,并附上OBH21内脏图，望大虾们评论！
I have outlined the major differences for you between the OBH21 and its
predecessor - the OBH11:

Cosmetic change ?casing is now longer ?Dimensions: 100 x 150 x 60 (WxDxH)

Has a solid 5mm anodised aluminium front panel in brushed silver and
printed black

Incorporates new and more advanced circuitry

Uses professional standard operational amplifiers which can drive
headphones directly

OBH11 & 11SE used discrete transistor technology ?OBH21 & 21SE use high
grade integrated circuits

Both the standard and SE versions of the OBH21 accommodate 2 pairs of
headphone sockets

The OBH21 & 21SE uses internally advanced circuitry is to split the
power supply from a single positive to a split positive/negative supply
which allows circuits to be DC coupled to eliminate capacitors on the SE
version

The ability of the OBH21 & 21SE to drive different types and impedances
of headphones is greater than its predecessor

Perhaps the greatest difference lies in the fact that the OBH21 & 21SE
is favourable to all makes of headphones. The OBH11 & 11SE showed
noticeable differences between different headphones, favouring those it
suited and making those it did not suit less attractive. This is not the
case with the new models.

The OBH-11 and OBH-11SE are discontinued now.

In terms of pricing, please contact your local Creek distributor -
details appear on the Creek web site.

Regards
Jacki

Creek Audio Ltd
www.creekaudio.co.uk

GTO

obh-21se内脏

GTO

21se后面

digi01

兄弟哪里找到的图片啊？有没有更详细的资料，比如线路图之类的。我对这个比较感兴趣。

原始的连接能给我吗？

GTO

我是在headroom的论坛里找到的，那里有一些关于OBH21的讨论，我就贴了几个过来，具那上面的老外说只是OBH11换了个新盒子的，我想请教一下OBH21se用料咋样？值不值4000？
兄弟您既然需要这资料，想必非等闲之辈，连接是http://www4.head-fi.org/forums/f ... =&forumid=3   进入后在论坛里键OBH21入即可得到很多。不过兄弟您别忘了指点我一下，因为鄙人对此耳放有意，但不懂电路。谢谢！

digi01

多谢老兄。
以图片上的工艺来看21se卖到4000有点贵了，即使用上定级的器件也用不了这么多价格。而且线路也是传统的并没有新的技术含量。

现在的问题是找不出它的线路来，不然自己拿补品器件焊一台找个好的外壳估计1000左右能拿下了。

VitaminQ

有元件就行了的话,  MBL 早就倒闭改卖凉茶,呵呵

digi01

不错，我可以仿制出来。

元件散货是不成的，记得我上高中时曾经帮一个乐队做过一部六路调音台，用买来的大S5534和雅马哈台子的4558比较都不成，无奈只好把单位的40路台子拆了几路闲置通道的器件来用。