| Trying to modify a Yamaha jx50b
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I have a Yamaha jx50b bass amp that I got for free. It's in great condition, but I want to use it for my keyboard. Obviously when I use it now, the high notes sound all muddy because the amp was designed for a bass. The amp is in perfect condition, though, and I have a limited budget, so I was trying to figure out a way to install a tweeter in the cabinet and run it off a circuit from the head unit. Anyone have any suggestions? | 
