Universal Audio UAFX Flow Vintage Tremolo Pedal

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Three flavors of authentic tube tremolo, at your feet.

Evolved from our flagship Astra Modulation Machine, Flow Vintage Tremolo gives you three flavors of tube-driven wiggle and shake — from old school to modern — in a dapper, compact package.

Get three stunning emulations of legendary tube amp tremolo effects, from opto to harmonic

Sync your trem with tap tempo and add boost effects with Volume control

Explore rich, authentic tones and effects with perfectly emulated tube preamp section

Rely on timeless UA craftsmanship, built for years of rock-solid performance

Authentic emulations of three tube-driven tremolo effects, captured in a compact stompbox

Perfectly captured tube preamp for fat, three-dimensional tremolo tones

Three tremolo modes: Dharma (harmonic tremolo), 65 (round, sine wave), and Square (choppier, square wave)

Onboard tap tempo for syncing trem effects

Volume control and true/buffered bypass

Timeless UA design and craftsmanship, built for decades of dependable performance