Am 09.08.2009 um 19:25 schrieb thx1138: > When we built our Dac's back in the early 1970's for Synth design A digital-to-analog converter in a 1970 synthesizer? That's interesting. What was it used for? How many bits did it have? I built my first "digital" sequencer around 1980, using a homebrew 4- bit-DAC (or was it even 5?). Ingo