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ECM Pre amp

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elnino86

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As im implement this circuit at the breadboard,the circuit seems doesnt work well.Im measure the DC voltage at the output and result show a 9V at the output.I thought it suppose to be 4.5V at bias point.

And there no AC signal display on my osciloscope.What is the problem with the circuit?
 

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OMG,sorry for asking instantly(tired in the Lab and my brain jamm):D.

My breadboard so messy and i didnt see some pin is not ground.:)
 
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