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楼主 |
发表于 2005-11-17 20:28
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再次请教
<img src="attachments/dvbbs/2005-11/20051117202333923.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/2005-11/20051117202333923.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />
既然国产管分析力不好,能不能用6J4五极管放大做第一级,2P29(3A4)改三极管做第二极,它们输入电容都很小,分析力高,直热管声音也通透一点,不知这样好不好? |
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