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Chip Amps Amplifiers based on integrated circuits

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Old 17th October 2010, 04:36 PM   #1
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Join Date: Feb 2010
Location: Chicago area
Default Basic Guitar Amplifier Using the Hitachi HA13118

This project started as an attempt to build a guitar amplifier that my son could easily store in a high school locker. The amplifier he was using was too big to fit in his locker. Even though the amp was not a high $$$ amp, he did not want to leave it unsecured in his band room. I found several commercial amplifiers that were small and portable but most put out just one measly watt or less. I knew there was a better way and came up with a design for a 5-18 watt amp.
Attached are files of how this all came together. It is meant to help guide someone that might want to replicate this project. I included photos to help augment the written guidance. I made the following assumptions before writing.You know some very basic things about electronics, what a potentiometer is, what a circuit board is, and the differences in phono-jacks. I do not assume you know how to solder so I provided a reference.
You know some very basic wood working skills and can operate a circular saw or jig saw without a resulting trip to the emergency room.

I had to break up the files because of upload limits. Part 1 is a general description of the project, where parts 2-4 are photos.

You can see a short video clip of the end results on You Tube.
http://www.youtube.com/watch?v=2S5n8oq-BC0
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