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Use a standard paper hole punch - the kind with the plier handles. It punches the most beautiful, perfectly shaped 1/4" holes in mint tins. You can use it to nibble square and rectangular holes, too. It will even cut through the rolled lip on the sides of the top.
Sweet idea! I never would have thought of a Paper Hole Punch!
Do they come in other sizes? Or will 1/4" be fine for all my holes? My IN/OUT jacks would fit nicely in a 6mm hole, and the Alps would fit in a 7mm hole.
edit: Oh...how would you center these punches? eye ball it?
Glad you agree! I can't take credit for the idea, though, someone else suggested it first - can't remember who. Anyway, I tried the hole punch on my recent Alien Dac's. I was surprised how well it worked:
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TomB
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Thanks, Jude - for Head-Fi's contribution!!
Yay, my first diy amp and the first post here, too. This thread is infectious!
A $0 Cmoy, made entirely from parts that were kicking around.
I took the schematic from tangentsoft's tutorial, my dad actually did most of the soldering. I added a led, switch, battery leads, and cased it up of course.
The opamp is of a buck-a-dozen variety (ST TL072CN), left over from a guitar amp project. It sounds OK though not better than the stock Rio Karma I'm using it with. I think the next step is making a proper Cmoy with good-quality parts.
Right now it's driving either Ety ER-6i or Shure E3 - I'm not sure yet which ones to keep and which to sell - the amp was meant to help me decide!
Makes me want to build my other one
Going to make your own faceplate or getting one in the group buy?
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Portable rig: iRiver iHP-140 -> Minił V1.9 -> ATH-EW9
Office rig: Alien DAC -> Minił V1.9 (Loaned from my portable rig) -> Ms-2
In build process: β22 and Minił V2
Homepage: http://www.lundells-diy.info.se
Contains headphone stands designed and created by Sven Lundell and my other projects
making my own face plate but theres one problem
the hammond 1455c801 had a defect.
i cannot fit the pcb inside.
i need to return it to farnell, have them ship another one from the US.
before i can start milling the front panel!
making my own face plate but theres one problem
the hammond 1455c801 had a defect.
i cannot fit the pcb inside.
i need to return it to farnell, have them ship another one from the US.
before i can start milling the front panel!
Ouch, that is not good to hear. Hope you get it soon.
Its a nice one to listen to...
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Portable rig: iRiver iHP-140 -> Minił V1.9 -> ATH-EW9
Office rig: Alien DAC -> Minił V1.9 (Loaned from my portable rig) -> Ms-2
In build process: β22 and Minił V2
Homepage: http://www.lundells-diy.info.se
Contains headphone stands designed and created by Sven Lundell and my other projects
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