From the course: Learning Modular Synthesis: Arturia Modular V

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The 2-pole multimode filter

The 2-pole multimode filter

(synthesizer music) - [Narrator] One of the attractions of using a modular synthesizer, is that you can mix and match different types of modules. And indeed, Arturia's Modular V, comes with two very different types of filters with different sounds. Now let's choose the templates of two oscillators mono, which has two sawtooth waves being mixed together, and initially going to our low bass filter. By clicking on the name low pass, I can switch to hi pass, coupler, and the multimode filter. There's a few interesting things about this filter. One, it has many different modes or shapes that we can switch it to. Two, it has a different slope than the other filters. The multimode filter has only a 12 dB per octave, or two pole response, which means as you get one octave away from its cutoff frequency, it only reduces harmonics by 12 dB rather than 24 dB. It's a gentler effect. Indeed if I play a note on this, (synthesizer music) observe the harmonics and listen, then switch to the normal…

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