good integrated amp for around $500

I'm looking to pair a receiver with a pair of Zu Omen Dirty Weekends and a ProJect Debut Carbon. I'm new to the whole audio game and I don't really know what I'm looking for. There's a chance that I've got a Marantz 2245 that I'll be able to use, but it's somewhere in my old man's attic and I need to a.) locate it, and b.) see if it works. If the Marantz isn't a go, I'm looking for another receiver that's not too expensive that'll do well with that setup. Trying to stay around $500. Could you guys give me some advice?