Powering Legacy Audio Speaker System


I have 15-20 year old Legacy Audio speakers that were passed down to me.  I'm going to hook them up as a 5.1 system with the following configuration:. All speakers are 4 ohm, and I've listed the sensitivity next to the model.

Front towers: Classic series- 92db at 2.83 V/1m
Center: Silverscreen 2 - 98db
Rear bookshelf: Studio series- 90.5db
Subwoofer: Powered Impact 

I'm looking for a receiver that can adequately drive this system.  I don't have the budget to do separates even if that is the best way to go.

Any recommendations would be greatly appreciated
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I would stay away from a receiver.  Are there any multi channel integrated amps you could look at?  Maybe a used Anthem? 
Those speakers are fairly efficient, but they're going to work best with a lot of power.  A receiver could work and it would be OK for home theater and casual music listening.  You say you don't have the budget for separates.  What is your budget?