ModulTone

Vocal Preamp

Vocal preamp plugin for macOS and Windows

Five preamp characters, and a switch for stacked takes.

VST3 · AU

No audio demo for Vocal Preamp.

The Vocal Preamp interface — vocal preamp plugin for macOS and Windows
Vocal PreampModulTone

Lead mode is a preamp on one voice: pick a character, set the drive, and the lowcut runs from 50 to 300 Hz to take the proximity bump off a close mic. Choir mode is for the eight stacked doubles that came back as near-identical mono takes. It builds a stereo image out of them with mismatched allpass decorrelation, the same technique MS Widener uses, and watches the correlation while it does. A stack of mono takes pushes correlation negative faster than a real stereo source does, so the spread pulls itself back before the take stops surviving a mono fold.

Preamp characters

Clean

Gain with almost nothing added. The reference point for hearing what the other four are doing.

Tube

Even-order. The second harmonic grows as you drive, since the asymmetry ahead of the curve is level-dependent.

Transformer

A gentle bend that stays close to linear for a long way, with a low-end lift and a softened top.

Ribbon

Dark and rounded. Takes the edge off a bright condenser more than it adds anything of its own.

FET

Fast and forward. The most aggressive of the five, and the one that flatters a quiet double-track.

What it does

  • Five preamp characters, each with its own waveshaping curve and its own frequency response
  • Lead and Choir modes. In Lead the spread engine is switched out of the signal path rather than left running at zero
  • Drive up to 4x, with Gain Comp on by default so the level stays put while the character changes
  • Lowcut from 50 to 300 Hz, sitting first in the chain, ahead of the drive
  • Stereo Spread in Choir mode, with a correlation-driven safety limiter that reins the width in as the stack approaches mono-incompatibility
  • Equal-power dry/wet mix, and a DC blocker after the waveshaper
  • Per-channel processing with no left/right coupling in Lead mode
  • The drive curve drawn in the interface is read from the same shaper the audio runs through, so the picture can't drift away from the sound

Specs

Formats
VST3, AU
Requirements
macOS 11 or later (Apple Silicon & Intel), VST3 or AU host · Windows 10 or later (64-bit), VST3 host

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