The ATC-X replaces the ATC-1 Tone Chameleon, the first synthesizer made by Studio Electronics and at the same time the first synth with exchangeable filters. It is monophonic and has a ring modulator, a distortion, noise as well as an external input for a large variety of sonic experiences. Of course you can save your sounds in the internal memory and like its big brothers it understands lots of MIDI-controllers.
> tech specs
Voices: one.
Audio outputs: one.
External Inputs: two. Filter and Ringmod.
Ringmod Input: one.
Display: 3 digit green LED.
Memory: 512 patches in RAM.
Interface: 1 digital rotary encoder and 50 membrane switches.
Weight: 10 lb..
Dimensions: 2 rack spaces, 10 inches deep.
Power: 90 - 250 volts AC auto switching.
VOICE ARCHITECTURE
Two voltage controlled discrete analog oscillators
Waveforms: triangle; sawtooth; variable width square. All waveforms output simultaneously. Osc 2 to syncs to Osc 1.
Dedicated Mini and Quad discrete filter systems
Streamlined internally mounted integrated filter board designs: Option #1: Mini filter. Option #2: Mini; S.E.M.; 303; 2600.
Discrete analog Ring Modulator
External carrier input for external signal processing (bypasses Oscillator 2 function).
Discrete analog Distortion Circuit
Per patch programmable level control.
Three multiple stage envelope generators
Attack; decay; sustain; release with inverting and multiple triggering. Envelope 1 fixed to filter frequency. Envelope 2 fixed to amplifier level. Envelope 3 is assignable. Oscillator 2 audio frequency modulation (cross-mod). Destinations: Osc 1 frequency; filter frequency.
Two low frequency oscillators
Waveforms: triangle; sawtooth; reverse sawtooth; square; noise; random. Parameters: destination; depth; key trigger; phase; midi sync.
Additional features
White noise generator. External input processor. Exponential glide. Parameters: time; autoglide interval; destination.
MIDI specifications
In and out. Receives: program change; bank select; glide on/off; glide time; volume; sysex. Controllers: dynamics; modwheel; bender; pressure (each with one destination and amount). Fixed continuous controller assignments for all key functions.
Modulation destinations
LFOs 1&2 and envelope 3: VCO 1&2 frequency; pulse width and mix level; VCF frequency and resonance; noise level; Xmod mod amount; LFOs 1&2 rate and depth; VCA level.
MIDI controllers
Modwheel and pressure: all LFO1&2 and envelope 3 destinations including envelopes 1&3 amount. Dynamics: envelopes 1,2&3 amount. Bender: pitch; filter frequency.
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