Quote: Originally Posted by nattonrice Have you considered conrad heat sinks as an alternative to the cnc work? If you cant find someone with free access to one then that might be the cheapest "best fit" option~ Conrad heatsinks seem more expensive to me. Doing it custom, it was...

I used custom CNC'ed heatsinks especially designed for the Beta22 boards and the specific casing. It seems to be the only way to do it. I did 8 heatsinks for $50 in raw material. Pics: http://www.head-fi.org/forums/f6/got...7/#post5808989 Don't forget that the amp modules themselves...

Quote: Originally Posted by penger Hope you get well soon and good luck finding a builder. Wondering what a beast it'll look like. Pictures? =P Thanks man! Here are some pics: This is a pic of one of the amp modules with custom CNC'ed heatsink installed:

Hi, this is a very max'ed out Balanced Beta22 but I recently developed a skin disease and can no longer finish the amp. This Beta22 is set to output the maximum amount of power and therefore uses custom CNC heatsinks and fancy casework. Two more Sigma22's need to be heatsinked with custom CNC...

Quote: Originally Posted by Uncle Erik Really? I didn't know phosphoric acid did that to aluminum. I am absolutely going to give it a try. Do you use Naval Jelly, or do you order it from a chemical supply place? How long do you leave it on/in and how do you neutralize it afterward? That...

Quote: Originally Posted by fishski13 cotdt, does the acid just brighten it? the acid does the opposite, it gives it a matte finish. useful for heatsinks, as a matte finish radiates heat better than a polished finish.

To get an even finish, I just polish the aluminum with fine sandpaper and then put it in strong Phosphoric Acid.

Quote: Originally Posted by rhys h I wish i could get balanced output from this thing! I dont want to see it go so soon Poor you... <mod edit>

Yeah it's 1/16" I've got a bunch of these screws if you want some

Quote: Originally Posted by vvanrij The dac can never perfectly recreate it coming from this 'imperfect' source. Else there would never be a need for a better quality source (eg 24 instead of 16 bit etc.) You lie!

hmmm

Quote: Originally Posted by KLS auto-focus. what's that? never hearda it

if anyone lives in the san diego area and needs help assembling their Gamma1 just let me know.

My modded Amp5 sounds better than the Gainclones in every aspect.

just use an S22 instead. troubleshooting these things tend to be a big headache, and every hour you use up there is an opportunity cost.