GMA Europa owners, what amps do you use?

When I went with Europas, my amp was a Pass x-250, sound was awesome. I wanted to downsize and take a bit of equity out of my system, so, I went with a Manley Labs Stingray (50w tube). Most won't believe me, but bass improved, soundstage opened up huge, I lost a little of the high frequencies, but the trade of was worth it. I can't imagine needing more.

Great thread! I was just about to open it up myself. I have had my Europas for almost a year now and I have decided to take the upgrade path suggested by Roy. That would be because I am in Hi Fi Nowhereland here.
I have gone with Audio magic IC's and they were a big step up from Signal cable. Then, last April 15th I overspent (oops, darn!) and picked up a Birdland Odeon Ag W/upgrade. Finally we get to my amp-----still the Nad C370. However now I run on the main only by using the Birdland's volume control. Big, big difference! I switched back to the pre-in and it sounded wooden and woolen. Could't take it for a minute---no way.
Anyway, I think Stingray and Mccormack Gold rev A--just don't know yet. For now, the Nad main amp is okay.
Hope we get more responses. That would help.
Scott

There's this guy using the gaincard.

http://sakurasystems.com/show/dave.html

I also use the Panasonic XR45 with Europas in a 2 channel HT setup. It sounds wonderful.

I use a Musical Fidelity A308 integrated. I haven't tried different amps with the Europas, but I love the MF, and I would guess it mates pretty well. It has plenty power. It also has very detailed, extended highs, which go very well the the Europas detailed, yet slightly soft sound. (soft to my ears maybe because I've justed switched from Thiel 1.6's)