Frap Tools Cunsa

Frap Tools Cunsa

Cunsa is Frap Tools' quadruple analog pingable multimode resonant filter, saturator, mixer, and oscillator. The module consists of four multimode resonant filters with saturation and feedback control that you can use independently or in various combinations and roles thanks to a series of seminormalizations.

The four state-variable filters can be used independently or linked and mixed. Each filter provides three behaviors simultaneously: lowpass, bandpass, and highpass. Each behavior has a 12 dB/oct slope, except for the lowpass, which can be either 12 or 24 dB/oct.

Cunsa handles feedback and gain staging with extreme control and versatility. Besides the usual Q control that emphasizes the cutoff frequency, the Character circuit defines the amount of soft clipping when the filter overloads. High clipping guarantees a controlled behavior with fat tone and pure resonance, while low or no clipping lets the signal saturate the filter stages and make it scream.

Cunsa is ideal for percussive and organic tones. The Ping circuit offers a behavior similar to the Brenso but AC-coupled. Instead of shooting the frequency to the moon with any trig, Cunsa gently responds to different incoming gates with a selectable decay curve. The Ping circuit can thus create natural decay sounds when fed with trigs or smoother envelopes with any other voltage, like a linear integrator with a custom decay.

All CV inputs offer an dedicated attenuator and every filter output can be routed to an analog mix bus that sums the four filters and outputs them in three combinations. 


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