@AWOL theyre old USSR faders (Linear potentiometers?). Cant tell the marking on it, all i can tell is that it goes like on this image: http://www.rmnt.ru/pub/docs_details/25769/25769_html_m2ee9212f.gif
I would need it to straight, from 0 to Max. Not as it goes right now.
@Grumpy_Mike Well, im not really much into electronics, if there would be concrete instructions where and what to buy and how to connect it, it would really help me :