lots of good suggestions above, but i'd likewise go with the polk sda or srs, which are generally available for cheap and outperformed my ads 1290 and pioneer hpm100. the original (early 90s) kef reference are also vg.
Recommendations for Vintage Speakers
I’m currently looking to put together a vintage system and am wondering what a good pair of full range, floor standing speakers would be. They would be powered by a Pioneer SX-1250. I listen to a very wide range of music, a lot of live Grateful Dead, Classic Rock, Metal, But also enjoy Jazz and even a little Big Band music once in a while. Thanks for your help!