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An introduction to Soundtoys Tremolator, based on information from the maker and distributors: what it does, how to use it and who it may suit. It is not scored.
What is Tremolator?
Tremolator is a tremolo and auto-gate plug-in for analog-style guitar tremolo and beat-synced rhythmic chopping, referencing hardware such as the Fender Vibrolux amp and Wurlitzer electric piano.
Waveforms are modelled from measured vintage hardware and can be edited with a custom LFO waveshape editor.
MIDI sync locks it to tempo, and a square waveshape turns it into an auto-gate. A programmable Rhythm Editor, groove library, swing and accents are included.
Dynamic control lets playing dynamics drive speed and depth.
Measured waveforms
Waveforms come from measured vintage gear and can be edited in the waveshape editor.
Analog mode
Emulates a signal passing through analog hardware.
Dynamic control
Input level can drive speed and depth, with presets in a Dynamics folder.
MIDI sync and auto-gate
Choose note values such as 1/8 or 1/16 and use a square wave for rhythmic gating.
Rhythm Editor
Program custom patterns with a groove library, swing and accents.
Specifications
| Item | Details |
|---|---|
| Version | 5.5 |
| Formats | AAX Native, AAX AudioSuite, VST 2, VST 3, AU (64-bit only) |
| Sample rates | 44.1 to 192 kHz |
| macOS | 10.15 or later |
| Windows | Windows 10 or later (not ARM Windows) |
| Apple Silicon | Supported |
What is included and system requirements
- Tremolator license
- Also included in the Soundtoys 5 bundle
- Hosts include Pro Tools, Live, Cubase, Nuendo, Logic, Studio One, Reaper, Bitwig
How to use it
- Insert on a guitar, keys or vocal track.
- Pick a preset.
- Adjust speed and depth.
- Turn on MIDI sync and pick a note value.
- Edit the waveshape.
- Use square wave for gating.
- Use dynamic control to follow playing.
Guitar tremolo
It may suit adding vintage-amp style pulsing to clean guitar.
Electric piano
It may add gentle movement to keys.
Rhythmic gating
It may chop pads or synths in time with the tempo.
Who it may suit
- People wanting amp-style tremolo
- Those making tempo-synced gating
- Those wanting playing-responsive effects
Good to know before you buy
- An internet connection is needed at activation.
- Also available in the Soundtoys 5 bundle.
Price
$99 (Soundtoys official site, checked 2026-10-27). Prices can vary by region and promotion, so check the official page before buying.
See Tremolator on the product page
Sources: soundtoys.com (checked 2026-10-27)
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