6j1前级

步行者 · 发表于 2005-5-24 09:37

传上一台3年前装的6j1加12AT7胆前级,6j1三极接法直耦12at7阴极跟随输出,电子管整流稳压,交流灯丝.信噪比极高,频响宽阔,音色优美,与多种类型后级配合良好,后来用美产同类型胆替代6j1,特色各异,各有特点.

6j1前级

Julien · 发表于 2005-5-26 00:02

步行者 · 发表于 2005-5-25 23:12

可用6201代.

文招 · 发表于 2005-5-25 22:17

[em11][em11][em11]

op5532 · 发表于 2005-5-25 18:18

12at7可用什么管代替????????????

fu-80 · 发表于 2005-5-24 18:41

步行者 · 发表于 2005-5-24 15:19

手划的,不好看.<img src="attachments/dvbbs/2005-5/200552415184335.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/2005-5/200552415184335.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />