Universal Audio UAFX Flow Vintage Tremolo – Classic Tube Tremolo in Three Flavors
The Universal Audio UAFX Flow Vintage Tremolo packs the warm, musical movement of classic tube-driven tremolo circuits into a compact, rugged pedal. Borrowing its algorithms from UA’s top-tier Astra Modulation Machine, Flow delivers three beautifully modeled tremolo styles — each infused with the rich tone of a vintage tube preamp — available at Soundium.
Key Features
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Three iconic tremolo voices: DHARMA for lush harmonic tremolo, 65 for smooth optical sway, and SQUARE for bold, choppy pulses.
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Authentic tube feel: Includes emulated tube preamp coloration for added warmth, grit, and musical depth.
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Easy tempo control: Tap tempo for syncing tremolo speed to your playing in real time.
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Flexible signal path: Switchable true or buffered bypass for optimal integration on any pedalboard.
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Intuitive performance layout: Speed, Depth, and Volume controls with an LED that flashes at the tremolo rate.
Why Musicians Love It
Flow Vintage Tremolo delivers everything players love about vintage tube tremolo — warmth, movement, and musical character — without the unpredictability of aging hardware. Its trio of tremolo modes makes it extremely versatile, offering everything from subtle shimmer to stuttering rhythmic motion. With reliable construction and a compact footprint, it’s a stage-ready modulation tool built to inspire — available at Soundium.
Quick Specs
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Modes: DHARMA (harmonic), 65 (opto), SQUARE (square wave)
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Controls: Speed, Depth, Volume, Tap Tempo
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Bypass: Selectable true or buffered
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Power: 9 VDC (not included)
What’s in the Box
- Universal Audio UAFX Flow Vintage Tremolo Pedal
- Documentation
Ideal For
Guitarists, keyboardists, and vintage-tone lovers seeking warm, expressive tremolo with tube-like richness and flexible sonic character.
Pros & Cons
✅ Pros:
- Three distinct tremolo styles in one pedal
- Tube-style coloration adds warmth and realism
- Tap tempo for live timing accuracy
⚠️ Cons:
- Mono operation only
- Requires external power supply
Universal Audio’s Flow Vintage Tremolo brings classic, tube-driven tremolo effects into a modern, reliable format — a timeless modulation pedal for expressive players — available at Soundium.
