Instruo Cs-L

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$ 659.00 Total

Dual Voltage Controlled Oscillator

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Product number:
CV3437

Dual Voltage Controlled Oscillator

Cš-L is a dual voltage controlled oscillator. It takes the modern approach of dual primary oscillators and expands upon them. Complex oscillators traditionally comprise of two VCOs configured in ways to generate complex waveforms. The classic configuration uses an arrangement of modulator -> carrier. Use of wavefolders enhance the timbre complexity to a ‘final’ output. The Cš-L takes this tried and tested configuration, but blurs the lines of which voice is the carrier and which is the modulator. They can be either or both simultaneously!

Each Oscillator has it’s own unique characteristics and perks, down their core circuits. There is a wavefolder per oscillator, giving the Cš-L two entirely separate ‘final’ outputs.

Oscillator A (Top) is a sawtooth core voltage controlled oscillator which produces sine, triangle, sawtooth and pulse outputs. The pulse is a classic variable duty cycle waveform. The LFO button will insert a negative DC offset to the oscillator’s frequency control. This reduces the range into LFO territories. The SYNC input hard syncs the oscillator’s waveforms which allows for classic hard sync tones when running at audio rate. In LFO mode the sync input can be used to force waveform resets. Very useful when clocking LFO shapes.
Oscillator B (Bottom) is a triangle core VCO. It has a slightly different set of waveforms to A: sine, triangle, square/sub and a double pulse with variable pulse width. The SUB output can generate a square wave at the oscillator’s fundamental frequency, 1 octave below, or 2 octaves below. The button switches the octave and illuminates to identify the current sub state. The SYNC input for Oscillator B is a soft sync control which inverts the triangle core’s charge direction on an impulse. This allows to tuning to unisons with other voices with frequency locking precision.

Features
• 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
• 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 behavior 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

In the Box
• The module itself
• Eurorack Power Cable

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