No problem with noise on my 35 Ohm phones and the amp has a lot of power for my 300 Ohm headphones.
Pictures:
https://picasaweb.google.com/lh/photo/vvkcXUNwhceD7LygYqWrEdMTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/0AHlyur4Tb6NMZv-CkwYrNMTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/uiE6r3nGzGQgBifxVuLcP9MTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/kFP8PSW9X0ZdzQnHeDYn79MTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/1l-oxGZvHMjoj1XNS_1uzdMTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/sbGP1vkonrkOuKqIXBUkwNMTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/VZwAj_nh6fIZ_pyM7hgS7NMTjNZETYmyPJy0liipFm0?feat=directlink
https://picasaweb.google.com/lh/photo/CoQKIT7LZvK8gikUdnRGwdMTjNZETYmyPJy0liipFm0?feat=directlink
Output ICs seem to be TI TPA6120 (the label was sanded off).