mini mixer

1-22 — elektor january 1981 mini mixer a good mixer can be simple There are all kinds of mixing desks. Little ones, like in tape recorders: two knobs, one for the mike input and one for "line". At the other end of the scale are the big professional mixing consoles, as used in professional recording studios. More than two knobs are usually required in that sort of application. For amateur use — both for tape recording and for use in sound installations -- a number of channels may be required, but the total cost must remain within the available budget. There is no need for highly sophisticated electronics, the only requirement is that it works well and reliably, and that it provides all necessary controls. A simple mixing desk, therefore, but a good one. Reliable, easy to build, no "peculiar" components and relatively easy to extend as required. In a nutshell, these are the design requirements for the "mini mixer". What do you need? Obviously, if you are aiming at a minimum-cost...