用LM317做的纯甲类功放

丹麦王子

大胡子船长

哈哈儿

[em10]

aeon

以下是引用DarkHorse在2005-6-27 16:05:00的发言：
能响……但只有几十毫瓦……[em10]

调大那个恒流源就可以啦.............

DarkHorse

以下是引用qzfjxc在2005-6-27 16:00:00的发言：
<img src="attachments/dvbbs/2005-6/2005627155934635.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/2005-6/2005627155934635.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

DarkHorse

以下是引用qzfjxc在2005-6-27 15:46:00的发言：
我也上一张317的功放图！<img src="attachments/dvbbs/2005-6/2005627154552299.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/2005-6/2005627154552299.gif\');}" onmousewheel="return imgzoom(this);" alt="" />

能响……但只有几十毫瓦……[em10]

aide

aide

据说功率有30w

qzfjxc

<img src="attachments/dvbbs/2005-6/2005627155934635.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/2005-6/2005627155934635.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

qzfjxc

我也上一张317的功放图！<img src="attachments/dvbbs/2005-6/2005627154552299.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/2005-6/2005627154552299.gif\');}" onmousewheel="return imgzoom(this);" alt="" />

Dulcet

电容最好竖起来吧？
铁板电容味道好吗？

说实在的,铁板很烫

csdmq

铁板电容味道好吗？[em11]

DarkHorse

以下是引用步行者在2005-6-27 15:24:00的发言：
用一只锗功率管变压器输出单端甲类听感很好.

我一直致力于简单化的功放设计……[em02]

csdmq

[em09]

步行者

用一只锗功率管变压器输出单端甲类听感很好.

Dulcet

另外提醒一点,这JJ灵敏度极高,能把CD机的噪音都放大出来,也可能我没调好工作点[em10]

毛毛虫

当然年代比较久远了。

DarkHorse

？？？

Dulcet

用画图板画的,见笑
<img src="attachments/dvbbs/2005-6/200562715523230.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/2005-6/200562715523230.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
功率大于5W

土八路

以下是引用文招在2005-6-27 13:48:00的发言：
不知音质如何[em11][em11][em11][em11]

[em11][em11][em02]