I just received my HA-160 today and it seems a little underpowered for my HD 650's and HD 800's. I tried both jacks and obviously the left one is louder, but not THAT much louder. Even cranked all the way up, it's less then what I would have expected from an amp of this caliber. It seems like it...

I'm looking for a new headphone amp and I'm torn between the Darkvoice 332 or the Little Dot MKIV. I have a pair of Sennheiser HD650's and MB Quart 95X's. The source is a Sony E900ES DVD/CD/SACD player. I'm currently using a Hi-Fi RT-6P13 tube amp and a CMOY clone. The tube amp sounds good in...