Up for sale - one of the absolute best amps made for the HE-6. Hand made to order by SAC Thailand, the Minute EL-34 SE has 5 selectable inputs in addition to a headphone SE jack. It runs pure class A, with 10 watts per channel. It has enough 'swing' to really wake up the HE-6, but is quiet enough to drive most headphones and some IEM's. Really - there's too much to say about this amp, so I'll just provide a link to the product page.
The Minute comes with a separate PS and a safety cage. I'll also include my Coke Bottles and RCA Clear Tops.