Furthermore, its sounds could be changed quickly letting players easily recall different sounds in the age before stored presets.įinally, it is impossible to discuss the Minimoog without mentioning its wonderfully "fat" sound. It was the first keyboard to feature the now-familiar pitch and modulation wheels, giving players the ability to play the pitch bends and vibrato commonly heard in guitar and saxophone solos. This made it a viable, exciting option for gigging musicians with limited budgets.īeyond these primary factors, the Minimoog also became a commercial success because of its expressiveness in live performance. 14.5 kg it was considered lightweight for its time), it was non-modular and did not include a patchbay, and it cost only a fraction of existing large modular systems. The Minimoog was a radically new type of instrument that changed the way the world viewed synthesizers. They were beyond the reach of average musicians. This meant that synthesizers were usually confined to academic environments like universities or in the studios of record labels and advertising agencies. Before the introduction of the Minimoog, synthesizers were primarily modular systems that were very large and extraordinarily expensive. Produced by Moog Music from 1970 through 1981, the Minimoog Model D was the first synthesizer designed specifically for popular music.
#MULAB FRONT PANEL KNOB LFO MEANINGS PRO#
Synthesizer Build part-6: THE SEQUENTIAL PRO ONE L.Synthesizer Build part-7: THE MOOG LADDER FILTER.Synthesizer Build part-8: 8 STEP SEQUENCER.Synthesizer Build part-9: THE LFO or LOW FREQUENCY.Synthesizer Build part-10: THE VCA or VOLTAGE CONT.Synthesizer Build part-11: ECHO and SOUND FX UNIT.Synthesizer Build part-12: THE KORG MS20 FILTER.Synthesizer Build part-13: THE LFO (MusicFromOuter.Synthesizer Build part-14: AD/AR Envelope Generator.Remember these 0 to +10V signals are inverted, so the waveshape potmeter works the other way around for these waves. You can take a look at the 8 step sequencer V2.0 schematic which also has an offset feature of my own design and it's the same design as used here. I'm sorry there's no schematic for these additions, I did it from memory, but this feature is included in the stripboard layout.
There was room on the circuitboard to put a little TL082 on and make the two inverting buffers with DC offset potmeters. I even managed to add a little extra of my own design: normally this is a bi-polar LFO meaning all the outputs go from -5 to +5 volt but I added a uni-polar feature with two extra outputs for the saw-triangle-ramp wave and the sinewave that go from 0 to +10 volt.
It uses a TL084 quad opamp chip and a LM13700 OTA chip. So it can be a bit fiddly to calibrate.Ī very feature rich design and a design with very few components so not much can go wrong. It also influences the shape of the sinewave. The pulse width of the squarewave is set with the same potmeter that controls the shape of the other waves. Squarewave pulsewidth (or dutycycle) goes from 1% to 99%.
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