Hi! We all know that a lot of people plug a vocal mic into a guitar amp. I don't have a PA nor do I have the money or inclination to buy one anytime soon. There's always one available for the modest gigs I do play, I just wanna be able to practice with vocals using a guitar amp. Of course, the cable I have connecting my mic only plugs into the input things on PAs, which are much different from those on guitar amps. What is an affordable convertor type thing I can use to plug into a guitar amp for home practice? Is there such a thing?