Gamechanger Audio Plasma Eurorack

A Baltic Collaboration That Has Become Iconic in the World of Atypical Saturations

The PLASMA Drive Eurorack was born from the collaboration between Gamechanger Audio and Erica Synths. It carries the founding idea of the PLASMA series: instead of using diodes, transistors, or tubes for clipping, the module converts your audio into electrical discharges inside a tube filled with xenon, then reconverts it into an analog signal. The result: a distortion with a unique behavior, as visual as it is sonic, clearly standing apart from classic drive circuits.

Integrated in Eurorack format, this PLASMA Drive goes beyond the original pedal thanks to natural CV interaction and octave options designed for sound design and modular performances.

For Which Musicians and Uses?

The PLASMA Drive Eurorack is aimed at modular synth users, electronic music producers, and sound designers who want a distortion with character, capable of transforming a bassline, an acid lead, a pad, or a drum machine into raw and edgy material.

It excels in industrial, noise, techno, EBM, metal aesthetics, and all productions seeking a dense, very present saturation with a natural "gate" feel when pushing the distortion. In the studio, it becomes a formidable modular reamping tool; live, its CV and trigger control make it especially performative.

Controls, Modulation, and Creative Functions

The interface is straightforward: IN LVL adjusts the input level (crucial for dosing the circuit's response), VOLTAGE sets the distortion intensity, and DRY/WET mixes the original signal with the saturated signal to preserve attack and clarity. The two key parameters, VOLTAGE and DRY/WET, each have a CV input to automate drive increases, blend variations, or synchronized pumping effects.

The equalization section offers BASS and TREBLE to adjust the module's response, with an EQ ON/OFF switch that makes the EQ assignable : it can apply to the standard path and, depending on the setting, also operate upstream of the distortion to shape how the PLASMA saturates (sharper attack, tighter lows, etc.).

On the harmonic side, the module integrates tracking oscillators with an octave selector (+1, -1, or combination) and access to deeper sub octaves. The oscillators can be activated manually but especially controlled via TRIG inputs : ideal for making octaves appear/disappear on certain sequence steps and creating rhythmic, lively distortion perfectly locked to your patch.

The Sound

The PLASMA Drive Eurorack delivers a fast, responsive, and very "tactile" distortion: the input dynamics strongly influence the saturation density and grain, giving an impression of instant response to playing and modulations. The spectrum is wide, making it particularly effective on basses and harmonically rich sounds, without collapsing in the low end when pushing the drive.

Its character is decidedly distinctive : it produces an electric, granular texture, sometimes crackling depending on level and mix, with raw energy that easily cuts through a mix. In parallel blend (DRY/WET), it remains clear; at 100% wet, it becomes a texture machine for drones, extreme leads, and saturated percussion.

Technical specifications

Effects	Distortion, Effects	Use	electric guitar
Technology	Analog	Color	Black
EQ	Yes

Format	Eurorack	CV input level	-10V to +10V
Width	16HP	CV VOLTAGE input	distortion intensity modulation
Depth	45 mm (allow about 50 mm depending on installation and shielding)	CV DRY/WET input	blend modulation
Audio input level	up to 20V peak-to-peak	Tracking oscillators	Octave Up and Sub Octave (including additional octaves down)
Processing path	high-voltage xenon tube distortion, reconversion to analog audio signal	TRIG inputs for Octave and Sub	oscillator activation/deactivation via triggers for rhythmic patterns
Mix	DRY/WET control (mix of direct and saturated signals)	Power supply	Eurorack +/-12V DC (via ribbon cable)
Bass EQ	boost/cut 9 dB, transition frequency 600 Hz	Consumption	135 mA on +12V and 87 mA on -12V (about 250 mA total)
Treble EQ	boost/cut 10 dB, transition frequency 1.5 kHz	External power supply included	no
EQ ON/OFF switch	assignable equalization (pre and/or post distortion depending on setting)