BPB Saturator Plus: Free Tube, Tape and Diode Saturation in One Plugin
Three analog-style saturation modes, parallel Mix control, HP/LP filters and a lightweight resizable interface for Windows and macOS.
BPB Saturator Plus is the expanded free saturation plugin from Bedroom Producers Blog. It combines three different drive characters inside one lightweight processor: Tube, Tape and a newer Diode mode. The plugin is designed to add anything from subtle harmonic density to obvious distortion while keeping the workflow fast enough for drums, synths, bass, vocals and buses.
Three Saturation Characters in One Plugin
The main attraction is the choice between Tube, Tape and Diode saturation. Tube mode provides a familiar driven analog character, Tape emphasizes rounded saturation and coloration, while Diode offers a smoother and softer response with a different transient feel.
Having all three modes in one small processor makes it easier to audition character without stacking several separate plugins.
Diode Saturation Adds a Softer Third Flavor
The Plus version introduces the Diode circuit as its headline addition. BPB describes it as warmer and rounder than the Tube option, with a gentler effect on transients.
That makes it particularly useful when a synth, bass or bus needs harmonic weight without the harder edge that aggressive saturation can introduce.
Parallel Saturation With the Mix Control
A dedicated Mix control allows clean and saturated signals to be blended directly inside the plugin. This makes parallel processing immediate and helps preserve low-end definition or transient impact while still driving the saturation circuit hard.
It is especially practical on drum buses and full mixes where 100% wet distortion may be too much.
High-Pass and Low-Pass Filters Built In
Transparent high-pass and low-pass filters cover approximately 20 Hz to 20 kHz. They can trim unnecessary lows or tame bright distortion before the processor is balanced against the dry signal.
Input and output gain controls make level matching straightforward when comparing different drive amounts.
Optimized for Lightweight Everyday Use
BPB reworked internal code and removed heavier interface elements in the Plus version. The goal is a faster-loading, lower-memory plugin that can be used across multiple tracks without turning a simple saturation task into a large CPU commitment.
The interface remains resizable and includes instant 4K scaling for high-resolution displays.
Where BPB Saturator Plus Works Best
The plugin is flexible enough for subtle color or obvious drive and its three models make it easy to match the character to the source.
- Drum bus parallel saturation
- Bass harmonic enhancement
- Synth warmth and density
- Vocal coloration
- Mix-bus glue and tone
- Creative overdrive effects
At a Glance
Developer: Bedroom Producers Blog
Type: Analog-style saturation effect
Modes: Tube, Tape and Diode
Parallel processing: Mix control
Filters: High-pass and low-pass, 20 Hz to 20 kHz
Gain: Input and output controls
Interface: Resizable with 4K scaling
Formats: VST3 and AU
Platforms: Windows and macOS, 64-bit
Price: Free
Download BPB Saturator Plus for Free
Get the current free version directly from the official developer page.
Final Thoughts
BPB Saturator Plus is a practical free saturation tool rather than a novelty effect. Tube, Tape and Diode modes cover meaningfully different colors, while the Mix control and built-in filters make it easy to use those colors in a real mix. The low CPU focus is another advantage when the same type of processing is needed across several tracks.
