DtpaKiller Headphone Amp

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Parts list -

This is a basic guide to what to fill the board with and any of your own variations to what’s listed is entirely left up to you

A few considerations need to be taken, first the alps blue pot sits at the back of the board and a pot extension will be needed to extend to the front of the case, my intentions are to cannibalize a cheap pot ripping it apart leaving just the shaft and the bush (part that bolts onto the case with shaft coming through) and putting some rod in between this at the pot shaft to extend it and provide support going through the case. An alternative and premade solution is to get all the parts from here- http://www.oselectronics.com/ose_p100.htm .
The tpa6120 has a power pad that need’s to be soldered to the board for heat sinking, the easiest way I’ve found to do that it to apply some solder to the chips pad as well as the pad on the board, top and bottom making sure there is ample on both. Next solder one length of the pins to the board making sure it goes on square and I the right spot then it’s an easy task to heat the bottom of the boards pad and apply some pressure to the chip until it slides in flush with the board when the solder flows together. Now just solder the other side and you’re done :)
The rest of the board doesn’t require much explanation. Good luck and have fun