Mars FX GlueTube
VISCOUS BUS COMPRESSION & TUBE SATURATION
GlueTube combines the musical cohesion of a vintage VCA bus compressor with the rich, harmonic warmth of a triode vacuum tube stage. Designed for drum busses, mix busses, and synth stacks, GlueTube glues track elements together while adding weight and liquid harmonic glue.
100% Free • VST3 & AU Supported
Why It's Different
Unlike traditional VCA compressors (like the SSL G-Master Bus Compressor or Ableton Glue Compressor) which use static compression ratios and require external saturation plugins, GlueTube integrates non-linear triode tube saturation directly inside the dynamic gain reduction feedback loop. As gain reduction increases, it automatically generates dynamic 2nd and 3rd order harmonics that warm up transient peaks instead of chopping them off, delivering instant glue and saturation in a single plugin.
Key Features & DSP Engine
VCA Bus Dynamics
Smooth, musical compressor architecture with program-dependent attack and release curves.
Triode Thermal Saturation
Adds subtle odd and even harmonics that swell as signal energy rises.
Physical Tube Deformation
The glass tube graphics physically squeeze inward as compression ratio and squeeze parameter increase.
Boiling Bubble Physics
Particle physics engine generating rising slime bubbles modulated by flow and heat controls.
Control Specifications
| Parameter | Range / Value | Function & DSP Impact |
|---|---|---|
| SQUEEZE | 1:1 to 10:1 | Compressor threshold and ratio parameter. |
| THICKNESS | 0.0 to 1.0 | Adds low-end harmonic weight and slime density. |
| FLOW | Slow to Fast | Controls compressor release timing and bubble particle speed. |
| HEAT | 0.0 to 1.0 | Drives vacuum tube thermal distortion stage. |
| MAKEUP | 0dB to +24dB | Clean output gain compensation. |
Audio Examples
Listen to GlueTube in action across various mix elements.