[sdiy] The final cut power amp!

anthony aankrom at bluemarble.net
Wed Jan 19 07:02:34 CET 2005



>A company called 47 Labs was bragging that their hi-fi amp called the 
>Gaincard
> had only 9 parts
> http://www.sakurasystems.com/products/47amp.html
> Its an IC based amp. This inspired a group of DIYers to clone it - they 
> call it
> the Gainclone. Here's a schematic 
> http://gainclone.com/invertedLM3875_r2_1.gif
> and here's the forum where they kick around ideas.
> http://ampchipdiy.com/phpBB2/viewforum.php?f=2&sid=2a97c8a0aee1ab3684164c16cacf4
> 6ec
> They play with LM3875's, LM4780's, etc. Amps don't get much simpler than 
> these
> babies. And they are supposed to sound real good.
>
> And since you were a little nervous about it.....
> CAUTION: Hifi freaks do roam that forum and it does seem to be some kind 
> of
> cult!  =8o


you forgot to mention that the power supply is called the "Power Humpty" 





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