Professor Punch-Knuckles saturation plugin interface by Softube and Empirical Labs

Professor Punch-Knuckles: Saturation Plugin by Softube and Empirical Labs

Professor Punch-Knuckles is a distortion and saturation plugin from Softube and Empirical Labs, built on modeled circuits from the Mike-E and Distressor. It offers three saturation flavors, from warm vintage tones to forceful crunch.

VST3VST2AUAAXRTASWindowsmacOS64-bit

AVAILABLE ATPlugin Boutique

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01Overview

Professor Punch-Knuckles is an effects plugin in the distortion category, developed by Softube with Empirical Labs. It is designed to add warmth and punch to sources such as drums and vocals, ranging from gentle breakup to heavy, compressed distortion. The plugin draws on the character of the Empirical Labs ELI hardware lineup, combining elements of the Mike-E preamp and compressor with the Distressor circuit. It runs as a plugin in common DAW formats on Windows and macOS.

Best for

Drum saturation
Vocal distortion
Adding bus grit
Warm vintage tones
Compressed crunch effects

Developer: Softube
Category: Distortion
Store: Plugin Boutique

02Key features

What you get

Three classic Empirical Labs saturation flavors
Distortion sound modeled on the Distressor
Toasty, Crunchy and Distress saturation modes
Mode switch with emphasis filters for tone shaping
Transformer and tape-style smoothing options
Simple, fast-to-use interface
Console 1-ready
Available in Flow suites, Complete Collection 2 and standalone

03In depth

Saturation Flavors and Tone Shaping

The plugin offers three modeled saturation types: Toasty and Crunchy, which are based on the saturation and preamp distortion of the Mike-E, and Distress, which comes from the compressor circuit of the Distressor and Mike-E. Together they cover a range from warm vintage coloration to aggressive distortion.

A Mode switch applies Empirical Labs emphasis filters to the signal. According to Softube, this lets you add the sound of transformer and tape, smoothing the distortion so the effect feels more like a punch than a slap. Additional tone shaping options give further control over the final character of the sound.

Who It Is For and How It Is Used

Professor Punch-Knuckles suits producers who want a fast, hands-on way to add saturation and grit to individual tracks or buses. Its interface is built for quick results, moving from subtle warmth to the classic Distressor-style distortion without deep configuration.

Because the plugin is available in Softube's Flow Mixing and Complete suites, the Empirical Labs Complete Collection 2, and as a standalone plugin, it can be added to an existing toolkit in several ways. It is also listed as Console 1-ready.

04Specs

Will it run?

Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.

Developer	Softube
Type	Plugin
Category	Distortion
Formats	VST3, VST2, AU, AAX, RTAS
Operating systems	Windows, macOS
Architecture	64-bit

05FAQ

Questions, answered

What formats does Professor Punch-Knuckles support?

Professor Punch-Knuckles is available in VST3, VST2, AU, AAX and RTAS formats. It runs as a 64-bit plugin on both Windows and macOS.

What do I need to run Professor Punch-Knuckles?

You need a Softube account and an iLok account, along with a compatible AU, VST, VST3 or AAX host. Softube recommends the VST3 format and notes that its plugins are officially tested in Pro Tools, Logic Pro, Cubase, Ableton Live, Studio One and Reaper.