[xschop]

Began a 2nd all-billet case with integrated volume dial. Will install the A04 PCB and an Alps 50K potentiometer to the 7.5" volume dial as well....

[xschop]

Back on this project...

[xschop]

Ok. I figured out the correct wiring. The A04's Vol. pot PCB is not like the A07's that I wired up. I'll get a diagram up soon if anyone else cares to upgrade their volume pot. I tested everything and I'm glad I got this little jewel up and running again on my desktop rig. Just a gorgeous sound.

[aricml]

I sure do like the pictures of your process. The tools and skill here are way outside what I can do, but I love the effort you're putting in to make something exciting looking! Can't wait to see more pictures of the final product!

[xschop]

Thank you, these 3251/55 based amps are special, just need some new aesthetics...

[xschop]

Back to the tunes....

[xschop]

Small addition/update to this case. I added a ventilation port to the AO4's board case inside. More heat is being extracted and not translated to the billet housing. I also machine polished a reflective recess at the factory power LED. The red glow is soothing and reminds me to hit the power switch when groove session is over.

[aricml]

This is easily the most fun-looking project I've seen on this site.  I love the led port to give your amp case a little hot-rod underglow. Terrific work!

[xschop]

Thank you for the kind words/kudos. I'll build another all-billet case for a 3255 with PFFB soon, and wanted to make sure this one had all the bells/whistles as I listen to it almost daily. The larger/taller billet A07 case is in storage, but will come out next to machine and implement a large diameter thrust bearing to R&D for a future 9.5" OD dial

[Digi-G]

Could someone post a link to the Part 1 of this thread?  I did a search but can't seem to find it.  Thanks.

[limits]

Could someone post a link to the Part 1 of this thread?  I did a search but can't seem to find it.  Thanks.

Possibly this thread, with custom aluminum enclosure pics appearing on page 6 of the thread?...

https://www.audiocircle.com/index.php?topic=152869.0

limits

[xschop]

Thank you for the kind words/kudos. I'll build another all-billet case for a 3255 with PFFB soon, and wanted to make sure this one had all the bells/whistles as I listen to it almost daily. The larger/taller billet A07 case is in storage, but will come out next to machine and implement a large diameter thrust bearing to R&D for a future 9.5" OD dial

0.010" Oil paper bearing works a charm, but this is overkill...Smoothest dial I've turned... Machine depth leaves 0.010 gap clearance... This is the A07 case (Part 1)

[xschop]

Finalized XS-3E amp case with tpa3255-PFFB and full balanced XLR inputs...