What speakers for Advent 300


I'm concidering buying an Advent 300 for a second system and need help with a good speaker matchup.I plan on listening to vinyl through it if that helps any.
bcretty
Found a pair of klh-6's for $70. Still waiting to see if he still has them. Is ths a fair price if they are in good working condition? Thanks for your help.
My father used to have an Advent 300. He used it with the original Advent speakers and it was a good match.