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-   -   Need help for a battery headphone amp project (http://www.diyaudio.com/forums/headphone-systems/32327-need-help-battery-headphone-amp-project.html)

dismalonyx 15th April 2004 11:20 PM

Need help for a battery headphone amp project
 
2 Attachment(s)
I want to build the folowing headphone amp: <Image1>
Powered with the power supply with to make a "Virtual Ground" As seen on image 2

The only problem is that I also want to ad a comparator after de battery to know if the 9V cell is still ok or if it need replacement shut dotn the power so the headphone amp wont act funny but I have no idea of how to build it... I found that the Texas Instruments TL3016 would be great for a comparator, any idea?

If someone don't like the schematics I posted here feel free to interact.

Thanks

dismalonyx 15th April 2004 11:22 PM

Image 2
 
2 Attachment(s)
Here is the second image


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