各位胆兄胆妹有什么好前级推荐?

发烧者米七

[em09][em09][em09]
[em08][em08][em08]

Julien

[em12]

发烧者米七

。

samyang

<img src="attachments/dvbbs/2005-2/2005225232642824.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/2005-2/2005225232642824.gif\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-2/200522523278415.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/2005-2/200522523278415.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />[em11]

Julien

让6N2那个偏置还带那么低的屏阻。。。太为难他了[em02]

九天魔舞

管子用6n2噪音会大一些，

我打算作的是全抄版的马蒂斯。
已经有几套抄版的PCB了

Julien

[em02]

发烧者米七

希望细腻的高频
再者是淳厚的中频
偏暗且比较耐听的音色

Julien

还不如做马蒂斯的原图。。。6N2做太那个了。。。
楼主喜欢什么样的声音取向？[em12]

发烧者米七

大家再推荐一下。
再帮忙检查一下这个电路的数值有问题吗？
<img src="attachments/dvbbs/2005-2/2005225195437746.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/2005-2/2005225195437746.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

家家乐

看看屁股也行。

Younger

<img src="attachments/dvbbs/2005-10/2005101921204618.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/2005-10/2005101921204618.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

家家乐

冷笑一声。

qongtou

发烧者米七

以下是引用Julien在2005-2-26 0:01:00的发言：
[em12]

小玄

[em05]先行谢礼了！！！！

sjh327

http://yunwt.u111.net/

天狼

简洁至上
输出阻抗300-500欧姆
<img src="attachments/dvbbs/2005-11/20051129444506.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/2005-11/20051129444506.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /><img src="attachments/dvbbs/2005-11/20051129443815.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/2005-11/20051129443815.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

万健

[quote]以下是引用千里江陵在2004-12-16 17:36:00的发言：
5楼的目前很流行.SRPP电路结构.通频带好.但效率不够理想;需要在后面再增加一级放大电路;
前级耗电本不大，何来效率问题？应该是阻抗匹配问题！
6楼的仍按照传统电路结构.相比通频带不如SRPP结构.但增益系数高;
如果是开环6楼的高频是不如5楼，但它有较深的负反馈，频带也不窄，增益由负反馈决定，何来增益系数高之说？
7楼的与6楼的基本相同,去掉了交连电容.直接交连.音频通路有所提高.但是,电子管前后受牵连,工作点不太好调整.而且,由于阻抗匹配不够好,相应增益低.
7楼明明是一级放大加一级跟随，工作点很好调，调好第一个管子的阳极后，只要改第二个管子阴极电阻就行，阻抗匹配应该好多了，因为只有一级放大，开环增益小于6楼的。
总觉得江老前辈还要多温书，或向J版学习，J版才真是学富五车！
不知用6N4和6N11做6楼电路如何？