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Jon Johnson

Topic: Mini-Synthesizer EH-400

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The Mini Synthesizer EH-0400 manufactured by Electro Harmonix in 1980 has a 25 note membrane keyboard with a built-in speaker and output jack for external output. The instrument has 1 VCO with a pulse waveform, octave divider, and LFO for Pulse-Width-Modulation. It also has a filter and the filter can also be engaged as a phaser effect.The filter can be controlled with sliders for start and stop frequency. There are a total of 7 sliders and 6 switches for sound creation. the unit can be powered by batteries or ac adapter.

View full synthesizer

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