[FREE] Void Filter Bob (Moog 4-ladder emulation)

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julienb
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[FREE] Void Filter Bob (Moog 4-ladder emulation)

Post by julienb » Sun Mar 15, 2026 4:23 pm

Hi everyone,

I wanted to share my latest Max for Live device: VOID FILTER BOB.

This isn't just another filter emulation. It is a hardcore C++ port of Miller Puckette’s iconic [bob~] object from Pure Data, re-engineered specifically for Max at first, then as a Max for Live for easier Ableton Live's users integration.

Image

The Tech under the hood:
The device runs on a custom external that acts as a mathematical solver, replicating the physical behavior of the classic 24dB/octave Moog ladder circuit. By modeling the actual electrical resistance, it delivers that legendary unstable, "creamy" resonance that digital filters often miss.

Why use it?
- Zero-Latency: High-performance C++ code ensures zero lag, making it perfect for live performance and critical tracking.
- Pure Data DNA: Directly based on the DSP architecture of Miller Puckette.
- Surgical & Stable: Optimized to be extremely light on the CPU while remaining rock-solid.
- Expressive Grit: From subtle warmth to extreme spectrum shaping and distortion.

Video : https://www.youtube.com/watch?v=du-PCchz8PA

Download for free : https://structurevoid.gumroad.com/l/void-filter-bob

And for those of you who want the related Max package for using it in Max...
Check the open-source repository: https://github.com/gluon/bob-for-max

If you are looking for a filter that breathes and reacts like hardware without the latency tax, this is for you.


Enjoy!
Julien Bayle
Art + Teaching/Consulting

Ableton Certified Trainer
Max Certified Trainer


Structure Void / Ableton Certified Training Center

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