Ableton Feedback Verb v.2.0 | Self Oscillating Reverb
Max for Live Device (.amxd file)
Stereo Feedback Reverb for Moving Tails and Self Exciting Noise in Ableton Live
A percussion hit ends almost as soon as it begins. In the pause after it, however, a reverb can keep the musical gesture alive. The reflections may remain smooth and distant, or their movement may become distinct enough to draw attention away from the original hit. That is an especially useful moment in electronic music: the instrument has stopped playing, but the sound has not finished becoming something.
Feedback Verb 2.0 is a stereo Max for Live audio effect that lets a reverberant tail move toward resonance, noise and internal excitation. It works as a conventional reverb when a track needs depth, yet it also gives producers a way to work with the changing sound left behind by a note. The aim is to make the tail an expressive part of the arrangement, with enough control to move between a recognizable source and a texture that has begun to take on a life of its own.
Turn a Single Percussion Hit into a Moving Reverb Tail
Try leaving a bar empty after a short metallic strike. A restrained setting gives the hit a space in which to decay. As you extend Decay, its reflections can occupy more of the silence, and changing Size alters the timing relationships that organize those returns. The gap no longer feels empty; it contains the continuation of an event that has already ended at the source.
Now the question changes. How much movement can that continuation carry before it obscures the rhythm that introduced it? Speed and Depth change the motion within the delay network, so a held tail can drift, fluctuate or acquire a more unsettled quality. The balance of diffusion and high frequency loss influences whether details remain exposed or gather into a darker field. These are useful choices to make by ear as the sound evolves, because the same movement that is compelling in isolation can become excessive when the next beat arrives.
This is why a long reverb need not mean a permanently blurred track. Pre Delay can put a little distance between the attack and the arrival of the reverberation. The hit stays legible while its aftermath develops, allowing a sparse rhythm to establish both a sharp foreground and a continuously changing background.
Push the Tail Toward Self Exciting Noise
At the end of that passage, imagine removing the percussion entirely. There is still energy circulating in the reverb. Feedback Verb allows you to follow it into a more extreme region: when Decay rises above 95, internal noise excitation progressively enters the feedback path. Resonant activity may then develop without a continuous external sound, making the transition from reverberation to noise itself a performance decision.
It is not a preset drone with a fixed pitch, and continued oscillation is not guaranteed. That uncertainty is part of the musical use. A resonance might grow rougher, a metallic color might become prominent, or the sound may gradually fall away. Adjusting Decay and the modulation while listening gives the passage a direction without predetermining every detail. Because resonant feedback can become unexpectedly loud, begin experiments in this region with a low monitoring level.
A producer could record this passage as it changes, then keep the few seconds when the sound crosses from recognizable reverb into an unfamiliar texture. Those seconds can become a transition, a layer behind the next section or a separate sound to edit in Ableton Live. The instrument that produced the original hit does not need to be playing throughout that transformation.
Record the Feedback and Keep the Drums Clear
A texture discovered on its own will be heard differently when the full arrangement returns. If its resonance masks the kick, removing all of the reverb would also remove the quality worth keeping. Before recording the version you want to use, Feedback Verb lets the Low Cut, High Cut and adjustable midrange EQ shape the processed signal separately from the dry path. That way, the sound you capture can leave a different frequency space for the instruments around it.
This provides a practical way to move between two roles for the same device. During the breakdown, the tail may be the focus of attention; when the groove returns, Dry/Wet can place it behind the instruments and Level can set the final output. The musical idea survives the transition because the reverberant sound is still present, but it no longer has to dominate the entire spectrum.
Feedback Verb turns the afterlife of a sound into material you can shape, perform and record. It belongs in sessions where reverb must sometimes behave like a familiar space and sometimes become the event that carries the music forward.
License & Free Lifetime Updates
Your purchase grants a license to use the software, not ownership of its program code. Unauthorized copying, sharing, resale, sublicensing or redistribution of the device, its source code or bundled software assets is prohibited, except where permitted by applicable law or for authorized installation and backup.
The software, source code, algorithms and bundled software assets may not be used to create training datasets or to train or fine tune machine learning or AI models without prior written permission. These restrictions do not prohibit the creation or commercial use of original music made with Feedback Verb.
Your purchase includes free lifetime updates. Any future published updates to this product are included at no additional cost. Existing Sellfy customers can obtain the latest published files through the Sellfy account used for their original purchase, without purchasing Feedback Verb again.
v.2.0 ... Includes modulated feedback reverb, self oscillation, post EQ, and wireframe display. (2026/10/31)
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