[請益] DIY 耳擴問題
版上先進晚安
由於入手了 X10 (還在海上飄阿飄)
所以想 DIY 一個耳擴給 X10 吃
在網路上找了 cmoy 的電路就開始用力給他開工下去
電路圖如下
http://tangentsoft.net/audio/cmoy-tutorial/misc/cmoy-tangent-sch.pdf
但是在電壓上面有問題想請教版眾
依照理論
OP電壓 應該為 +/- 9V
我將電路接好之後 未上OP 量電壓 沒錯~! +/-9V
於是很開心地將OP放上去
結果發現+/-9V 卻變成了 +12V -6V
雖然聲音聽起來還算正常(小弟木耳)
但總覺得怪怪的
請問版眾們 這樣到底正不正常呢?
謝謝
PS: 有圖有真相
http://minus.com/mxoEboY3SOElS
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