PMC twenty 22, what receiver and sub to buy

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Hello sound fans. I just bought PMC twenty 22 speakers, and going to choose an amplifier and sub. Gonna use it for everything, music, music videos films.
what would fit my speakers? Not sure how much is it reasonable to spend on those things.
Thanks!

 

[liav.teichner]

Mine are amplified using Naim 5si, and I'm very pleased. I also tried the Rega Brio-R, but using it the bass was weak.