adcom gfp 555


I just bought my first audio gear the adcom gfp 555 mark 2 for 110 baks i know this preamp is not the best but i could not resist, and now I would like to pair it with some power amp under 600 $ to have as much perfomance as i can get . Your advide please
128x128djovanny
Post removed 
i like jazz classic rock I have no speacers yet and my room is not to big 12 by 18
speakers thinking about paradigm studio 100 v 1,2,3 (dont know which is better) martin logan sc3 or magnepan 1.6
Post removed