MATRIXSYNTH: Frap Tools CUNSA in-depth tutorial | Eurorack quadruple multimode analog filter module

Tuesday, April 02, 2024

Frap Tools CUNSA in-depth tutorial | Eurorack quadruple multimode analog filter module

video upload by Frap Tools

"Time to dive deep into Cunsa's main features! In this first tutorial, we will explore how a single filter works and how to combine them together to get the signature "Cunsa sound." This should get you started with CUNSA and let you understand its basic functioning. In the next episodes, we will see more specific applications!

00:00 Intro & Cunsa overview
02:21 The 12 dB/oct lowpass filter
02:41 The Q parameter (resonance, emphasis)
03:42 How the Q affects the LPF cutoff point at 12 dB/oct
04:15 The Character parameter
05:15 Combining Q and Character
05:55 The 24 dB/oct lowpass filter
06:10 The Character behavior on the oscilloscope (12/24 dB/oct LPF)
08:00 How the Q affects the LPF cutoff point at 24 dB/oct
08:15 A comparison of the 12 and 24 lowpass curves with different Q settings
08:52 The 12 dB/oct bandpass and highpass filters
10:09 How Q and Character affect the bandpass and highpass curves
10:23 The Behavior switch (filter and combo mode)
11:50 CV inputs for cutoff, Q, and Character
12:31 Using CUNSA as an oscillator (self-resonating filters)
13:13 Oscilloscope views of the self-oscillating filters
13:37 Fine-tune cutoff frequency knob
13:46 BONUS TIP: double TZFM oscillator with Cunsa and Brenso
14:12 The Ping circuit: nonlinear integration
15:40 Ping circuit and combo mode
16:10 Ping v/s ring, a brief recap
17:03 Semi-normalled connections
17:19 The mixed outputs
18:19 The routing switches: complex filtering with four filters in parallel
19:45 Some examples of semi-normalled patching techniques
22:13 The Dry output and other complex patching examples
25:50 Outro"

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