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Gear / Technical Help => Battery Boxes, Preamps, Mixers, ADCs, and Processors => Topic started by: mblindsey on February 03, 2010, 01:52:33 PM
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Didn't see this posted elsewhere...kind of interesting:
http://hackaday.com/2010/02/03/amplifier-built-inside-a-9v-battery/
--Michael
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Neat idea! Maybe Chris can get some inspiration for the next generation of CA-UGLY?
The description of the circuitry is for a headphone/speaker amp though, so that part isn't useful for us.
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Neat idea to bad he used a lm386 not a great opamp.