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PL-33

A monophonic bass synthesizer with an acid-style front panel, pattern editor and expanded sound controls.

audio-plugins · instruments · in-development

Development preview · Windows VST3

PL-33 explores the sound and workflow of a monophonic acid bass instrument. Its front panel brings tuning, filter cutoff, resonance, envelope modulation, decay and accent together with a native pattern editor.

PL-33 native editor

Native editor screenshot. View full-size screenshot

What it does

  • Shape bass lines with the filter, envelope, accent and slide controls.
  • Work from the front panel, edit patterns or explore the expansion page.
  • Choose sine, square, triangle and sawtooth waveforms.
  • Switch between Modern, Hardware and Modern Midnight interfaces; note LEDs respond to MIDI input.

Using the plugin

Play a MIDI bass line or build a pattern, then adjust the filter and envelope while the phrase repeats. Accent and slide provide the movement that makes short monophonic sequences expressive.

Project status

The circuit reconstruction and expansion features remain under development. This preview does not claim calibration against an individual vintage instrument.

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