Hi ya; I just found this 550 in my storage and decided to give it life. First I open it up clean it with with a sponge with soap and water then dry it all up gave it a good tuner cleaner I then replace the original woofer that was super dryed to it cracking and breaking up paper so I replace it with a 10 inch Foster woofer and chrome capped the original midrange then put it back togethter and whalla: It sounds stuning like a shelf sytem, I also replaced the fuse to a crytal new one. I love it.


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I'm glad ya like it, It really nothing to it, I seen better mods then this one. The Foster gives it that extra bass sound this 550 really needed. I now have to see if I find another in my storage as I have so much stuff in there I don't know what I may bump into, Or maybe one will fall in my head take me take me
)