Yes, you definitely need to say what you are looking for sound wise, size of speaker, room size, and there's probably more. Here is the specs in this link for the Op's 250 watt per channel amp.
[http://www.mcintoshlabs.com/us/Products/pages/ProductDetails.aspx?CatId=Amplifiers&ProductId=MC252]
[http://www.mcintoshlabs.com/us/Products/pages/ProductDetails.aspx?CatId=Amplifiers&ProductId=MC252]