Description
The VCS3 has three oscillators (in reality, the first 2 oscillators are normal oscillators and the 3rd an LFO or Low Frequency Oscillator), a noise generator, two input amplifiers, a ring modulator, a 18dB/octave (pre-1974) or 24dB/octave (after 1974) voltage controlled low pass filter (VCF), a trapezoid envelope generator, joy-stick controller, voltage controlled spring reverb unit and 2 stereo output amplifiers. Unlike most modular synthesiser systems which use cables to link components together, the VCS3 uses a distinctive patch board matrix into which pins are inserted in order to connect its components together.
- Keyboards controller
Although the VCS3 is often used for generating sound effects due to lack of built-in keyboard, there were external keyboard controllers for melodic play. The DK1 in 1969 was a earliest velocity sensitive monophonic keyboard for VCS3 with a extra VCO and VCA. Later it was extended for duophonic play, as DK2, in 1972. Also in 1972, Synthi AKS was released, and its digital sequencer with a touch-sensitive flat keyboard, KS sequencer, and its mechanical keyboard version, DKS, were also released.
- Related models
The VCS3's basic design was reused by EMS in many other of their own products, most notably in the EMS Synthi 100 (1971), and the Synthi A (1971) and AKS (1972) (essentially a VCS3 housed in a plastic briefcase). The AKS also has a sequencer built into the keyboard in the lid.
Also an earlier agent of EMS in the United States, Ionic Industries in the Morristown, Tennessee, have released portable-keyboard version of VCS3 clone. The Ionic Performer in 1973 was designed based on VCS3's circuit, replaced patch board matrix with over hundred of push-buttons, and added built-in keyboard and effects units.
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EMS Synthi A (1971),
also called Portabella -
EMS Synthi AKS (1972)
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EMS Synthi 100 (1971),
formerly Digitana, also called The Delaware
Read more about this topic: EMS VCS 3
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