Hybrid Compressor with Harmonic Color Control Download it for free

Unleash Pure Harmonic Gravity.

Amalgatone seamlessly unifies FET, Opto, and Tube circuit morphing with a dedicated analog coloration engine and surgical split-band dynamics. Engineered for mixing engineers, producers, and musicians who demand effortless control and unforgettable analog character.

VST3
Windows 10 / 11 (64-bit)
Amalgatone Audio Plugin Interface by Otonami DSP
Visual Control and Frequency Filtering Monitor compression and coloration in real time, and isolate processing to your chosen frequency band
Coloration Control Enhance your signal with customizable analog warmth and bite
Blend Compression Styles Find the perfect compression blend for your sound
Classic Controls with Modern Touch Fine-tune every dynamic parameter with surgical accuracy and effortless level-matched auto-gain
Precision Metering Monitor input, gain reduction, and output levels with peak-accurate visual feedback

Hear the Transformation in Real Time

Hear Amalgatone in action right in your browser. Compare the unprocessed mix against our compression and coloration stages, or check out the video walkthrough.

Sound Sample

Experience Amalgatone sound impact
COLOR ENGAGED
Processing State:
FFT: 512-PT DSP Mode: COLOR ENGAGED Oversampling: 4x
Acustic Drum
Studio Acoustic Drum Kit
Real Audio Samples
Cyberpunk Synth Lead Bloom
EDM & Synthwave Overdrive
Flux Exciter
808 Sub Bass Squeeze
Hip-Hop / Trap Sub Saturation
Tube + Heavy Drive
Neo-Soul Electric Guitar
Warm Triode Harmonics
Subtle Tube Color
Video Walkthrough - Available Soon

Amalgatone in Action: Full Plugin Overview

Discover what Amalgatone can do for your mixes. Watch the full walkthrough to see the circuit morpher, split-band filters, real-time visualizer, and coloration engine in action.

00:00 - Introduction to the Amalgatone Interface 00:00
01:15 - Non-linear Tube vs Tape Saturation Topologies 01:15
02:40 - Sculpting Bass & Kicks with Dynamic Flux 02:40
04:10 - Full Mix Bus Harmonic Glue & Master Output 04:10

The Inspiration Behind Amalgatone

Classic analog compression models come with a specific sonic identity, dictated by the designer's choice of physical circuit components. For decades, mixing engineers and producers have had to juggle separate units for every mixing task.

Amalgatone breaks down these boundaries, putting continuous topology morphing directly into your hands and unlocking infinite sonic possibilities.

Customized Dynamic Response

Morph from fast FET punch to silky Opto or Tube character with a single control. Sculpt your ballistics and compression curve to fit your sound perfectly.
 

  • Smart auto-gain for effortless gain staging
  • Seamless compression style morphing

Harmonic Coloration & Warmth

Enrich your sound with topology-aware harmonic saturation. Shape your tone with dedicated Drive, Warmth, and Tone controls, or engage Color Delta to monitor added harmonics in real time.

  • Real-Time Spectrum Visualizer
  • Tone sculpting at your fingertips

From Instant Presets to Custom Flavors

Explore configurations, save your own, or export them to share with friends and collaborators. Use the visualizer to fine-tune your sound, then disable it when you're done to save CPU for the rest of your mix.

  • Built with JUCE framework
  • Phase-Coherent Linkwitz-Riley Split-Band Processing

Three Dedicated Analog Topologies

Whether you need blistering FET transient punch, silky Opto vocal leveling, or warm Tube mix glue, Amalgatone adapts in a single move. Lock strictly to classic hardware responses, or morph continuously between them to create custom hybrid dynamics.

FET Symmetrical 3rd-order harmonics. Ultra-fast transient clamping and aggressive percussive bite.
OPTO Asymmetrical 2nd-order warmth. Musical optical leveling with transparent dual-stage release.
TUBE Dense 2nd & 3rd harmonic saturation. Expansive soft-knee compression and cohesive master glue.
Amalgatone Plugin Modes

Presets Included

Versatile, production-ready starting points tailored for any source—from transparent leveling to aggressive harmonic drive.

✦ Few Examples ✦
BASS

Warm Tube Bass

Low-end weight and body: Tube 2.0, 85% warmth (2nd-order harmonics), high-cut @ 8 kHz to roll off fizzy top-end.

MASTER BUS

Master Glue (Hybrid)

Musical mix cohesion: Hybrid 1.5 (Opto/Tube blend), gentle 2:1 ratio, 30ms attack, 200ms release, subtle warmth.

VOCALS

Opto Vocal Leveler

Smooth, transparent vocal leveling: Opto 1.0, 3:1 ratio, Auto-Gain active, low-cut @ 80 Hz to preserve warmth without rumble.

DRUMS

Punchy Drum Bus

Aggressive snap and glue: fast FET 0.0, 1.5ms attack, 65ms release, 85% parallel mix, 55% saturation drive.

Shaping Waves. Inspiring Sound.

oTonami is inspired by the Japanese words 音 (Oto), meaning sound, and 波 (Nami), meaning wave. The core vision is to build audio tools that break conventional boundaries, spark creativity, and open up fresh sonic possibilities for modern music makers.

This is an independent, experimental project in its early stages, developed as a passion project by Giuliano Bonapace in his spare time. The goal is to craft powerful, accessible tools for bedroom producers and mixing engineers alike—especially those dreaming of one day holding a Grammy.

You can support oTonami simply by testing the plugins and sharing your thoughts, bug reports, and feature ideas. And if oTonami Plugins inspires your productions, you can always buy me a coffee to fuel future updates!

"Sound has meaning only because of the space that surrounds it."

間
The Philosophy of 間 (Ma) The art of space, dynamics, and resonance

Download Amalgatone for Free

No signup required. No credit card. Download and start producing in minutes.

Windows 64-bit

Windows 10 & Windows 11 (64-bit)
Intel & AMD CPUs with AVX/SSE2 support

Download for Windows (.zip)
Formats: VST3 (64-bit) | 4.3 MB

macOS Universal

To be added in the near future

Apple Silicon & Intel 64-bit support in development

Formats: VST3 • AU | In Development

Includes complete user manual, DSP technical documentation, and factory presets.

Frequently Asked Questions

Yes, Amalgatone is 100% free with no time limits, no noise bursts, no feature locks, and no credit card required. You can use it in commercial releases, film scores, sound design, and streaming music without any royalties or fees. If you enjoy it, a coffee is always appreciated. buy me a coffee
On Windows, copy the .vst3 file to C:\Program Files\Common Files\VST3\.
On macOS, copy the .vst3 file to /Library/Audio/Plug-Ins/VST3/ and the .component file to /Library/Audio/Plug-Ins/Components/.
Then rescan plugins in your DAW settings.
Amalgatone is currently released for Windows (64-bit VST3), with the macOS version coming very soon! It is actively in development and will support both native Apple Silicon (M1/M2/M3/M4) and Intel Macs as a Universal Binary (VST3 and AU). (Stay tuned or sign up for updates to be notified the moment the Mac build drops!)

Traditional compressors are locked to static hardware circuits and full-spectrum processing, often causing low-end pumping and harshness.

Amalgatone unifies FET, Opto, and Tube topologies into a single morphable engine, adds split-band frequency filtering to protect your sub-bass and transients, and includes a dedicated analog coloration engine—giving you surgical control alongside rich analog warmth.