Building Class-D 50-100W guitar power amp as a beginner

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Dec 23, 2012
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Hello ! I have to premise this message by saying that I'm a beginner DYI electronic hobbyist with a software engineering background.

I want to build a portable, 50-100 Watt class-D amplifier (i.e. amp head) for playing jazz guitar, on top of that I also intend to build a cabinet with EVM12L or a similar speaker for a clean sound. Some of you could say this is terrible idea, since class D guitar amps and amplifiers are cheap & readability available. Fender Rumble 40, class -D, has a very clean jazz sound for a bass amp, on the secondary market goes for about $150 used/ $200 new. Also, I already have guitar combo specifically designed for jazz : Ibanez Wholetone WT80, Class-D, 15" speaker, but I want something different.
Here are my parameters:
- A simple board that I can wire-up and put in the simple metal case. Doing some online research, Icepower & Texas Instrument boards are are popular choices. But I have no idea what boards will fit my needs. There are number detailed DYI projects on YouTube for home audio (not guitars) using Icepower boards, but those projects used boards that handle 1000W+, which is an overkill for what I need.
- I have no issues if boards is for PA or HiFi as long as it gives me clean signal to drive the EVM12L.
- Pref. build in power supply.
- Pref. no preamp or eq on board. Just a volume knob, line level input (external pream & eq will be used) and a speaker output.

Any suggestion or critique are welcomed.
Thank you !
 
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