panorama mixer - a four-channel mixer and balance control in one

panorama mixer elektor may 1985 J. Wallaert One of the most popular fields of electronics, certainly for hobbyists, has always been audio. This is one of the few areas in which you can actually hear the results of long hours spent designing or building a circuit, which could be anything from a single-chip radio receiver up to a polyphonic synthesizer with all the trimmings. A small part of this field, namely home recording, is becoming ever more popular in its own right. For all enthusiasts of this "hobby" we have now designed a simple mixer with an unusual feature — a facility for placing a sound anywhere you like in the stereo "spectrum". panorama mixer a four-channel mixer and balance control in one Figure 1. This circuit enables a number of signals to be mixed, with each being given a specific position in the stereo image. Each of the signals may come from a different source but must be "mono. In effect this mixer is an alternative for the more complex ver- sions in which a ...