VST3
CLAP
macOS · Windows

ACID·303

A TB-303-style acid bass synthesizer. Diode-ladder filter with accent and slide, a built-in step sequencer, and overdrive, delay and reverb built in.

Demo

Features

Diode-ladder filter

A zero-delay-feedback 4-pole ladder that self-oscillates at the cutoff frequency.

Accent & slide

Accent sweep and portamento slide, modelled on the original behaviour.

Step sequencer

16 steps, host-synced and bar-aligned. Gate, pitch, accent and slide per step.

Pattern randomizer

Generates scale-locked acid patterns; MUTATE varies the current one.

Overdrive · delay · reverb

Built-in overdrive, tempo-synced ping-pong delay and reverb.

Presets & MIDI

Eight presets. Play from MIDI, or run the sequencer — MIDI notes transpose it.

Pricing

$5 USD
  • VST3 + CLAP — macOS & Windows
  • 8 presets + pattern randomizer
  • Royalty-free in your projects
  • Free updates
Buy ACID·303

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Changelog

v0.1
  • 303 voice: diode-ladder filter, accent, slide, saw/square
  • Host-synced 16-step sequencer with pattern randomizer
  • Overdrive, ping-pong delay, reverb; 8 presets
  • VST3 + CLAP