Hi all. I have a pair of these old Sony speakers which I haven't used in years (10+ I'm guessing). I just hooked them up and one is not working (totally silent) and I can't find a fuse. Should I toss them or repair them, I can't find any info on the web about these particular speakers including their quality (I bought them when I was quite naive). I don't really need them as I have 4 other pairs.