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Cš-L

Complex Oscillator

The Instruō Cš-L is a dual analogue oscillator optimised for generation of complex waveforms. It features two contrasting discrete circuit oscillators that are normalled to one another, offering a variety of simultaneous modulation routings. The resulting harmonic timbres sit far beyond the realms of traditional subtractive synthesis.

It expands upon the classic complex oscillator paradigm prominent in the West-coast synthesis philosophy. Typical cross modulation is expanded upon with inclusion of signal multiplication/amplitude modulation, a wavefolder per oscillator, final waveform symmetry biasing, classic and contemporary PWM, a global modulation index bus, and a digitally-controlled routing scheme that can be configured on-the-fly.

The two separate oscillator cores, simultaneous access to all included waveforms (both classic and contemporary), and the ability for bi-directional modulation, the Cš-L truly allows the user to shape sound like never before.

Cš-L | siː-əz-ɛl | proverb (derivative) “complex sauce-later” (see Tš-L )

Description
Size
26HP
Depth: 35mm

Power
+12V: 150mA
–12V: 80mA

Specifications
Sawtooth core voltage controlled oscillator (Oscillator A – Top)
Waveforms: Sine, Triangle, Sawtooth, Pulse, wavefold final
Triangle core voltage controlled oscillator (Oscillator B – Bottom)
Waveforms: Sine, Triangle, Square/Sub, double pulse, wavefold final
1V/octave, Coarse and Fine pitch controls per oscillator
Frequency modulation input per oscillator, linear or exponential response, with attenuators
LFO range switch for oscillator A
Switchable link between 1V/octave inputs for parallel tracking
Multiply output with three modulator behaviour options
CV over each wavefolder with attenuverters
Symmetry offset control for each wavefolder with attenuverters
CV controllable modulation bus (INDEX) with versatile definable internal routing

Description
The Instruō Cš-L is a dual analogue oscillator optimised for generation of complex waveforms. It features two contrasting discrete circuit oscillators that are normalled to one another, offering a variety of simultaneous modulation routings. The resulting harmonic timbres sit far beyond the realms of traditional subtractive synthesis.

It expands upon the classic complex oscillator paradigm prominent in the West-coast synthesis philosophy. Typical cross modulation is expanded upon with inclusion of signal multiplication/amplitude modulation, a wavefolder per oscillator, final waveform symmetry biasing, classic and contemporary PWM, a global modulation index bus, and a digitally-controlled routing scheme that can be configured on-the-fly.

The two separate oscillator cores, simultaneous access to all included waveforms (both classic and contemporary), and the ability for bi-directional modulation, the Cš-L truly allows the user to shape sound like never before.

Cš-L | siː-əz-ɛl | proverb (derivative) “complex sauce-later” (see Tš-L )