take an walkman, tape player, and go inside and rip out the magnetic reader head, and connect a 1/4 instereo jack instead for the guitar. red and white are left/ right, but jsut tie them together. for gain control, add a potentiometer between 5-10k, between ground and signal (i think? ill hafto rip apart mine to see for sure). right there is a small, battery powered pre-amp. headphone out can go to yuor ehadphones, or you can make another connection with a sterio plug for output to ur amp or whatever. i used this and it works fine, though you get a little overdrive at higher volumes/ gain. if you use a better tape player, the better soudn you will get. a nice sony one will proly work better than my cheap0-chineese one. the good thign is you can still get radio too! hehe have fun!