fixing amp

[Jnoble 10+ year member]

My PPI amp cut out and was making a rattling sound, I took it apart and two capcitors where completely blown off the board. I went to radio shack but they didn't have the same caps. They did however have a bigger cap, just wondering if I could replace the original caps with bigger ones the originals where 3300uf 35v and the bigger ones are 4700uf 35v. Also how would I know which way to hook it up on the board (pos/neg).

thanks!

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[Topcat 10+ year member]

Shouldn't be a problem but I personally repair all kinds of amplifiers and would suggest you check out Digikey or Mouser and replace with the same cap.