Universal Audio UAFX Flow Vintage Tremolo
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Universal Audio
https://www.uaudio.com
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A Vintage Tremolo Reimagined in the UAFX Line
The Universal Audio UAFX Flow Vintage Tremolo is a direct evolution of the Astra Modulation Machine: same manufacturing standards, same "amp-first" approach, and an obsession with detail in playing feel. Rather than offering a generic tremolo, Flow captures the spirit of tube tremolos that marked the history of American combos, with three complementary interpretations: the rich undulation of harmonic tremolo, the bright 1965-style optical "vibrato," and a more modern take with square wave. All this is enhanced by a modeled tube preamp designed to add body and three-dimensionality, as if the effect were an integral part of the amp.
Who It's For and Styles Where the Flow Truly Shines
The Flow Vintage Tremolo is aimed at guitarists seeking an expressive and musical tremolo without navigating endless menus or settings. It is ideal from intermediate to professional levels but is immediately rewarding for beginners looking for a "record-ready" effect. In soul and surf, the Dharma mode delivers a deep, moving pulse that fills the space without masking the attack. In blues and rock, the 65 mode gives the thrill of a classic amp tremolo, perfect on open chords or nervous picking. For modern pop, R&B, and indie, the Square mode offers sharp rhythmic cuts that put the guitar front and center. On a pedalboard, it naturally sits after overdrives (overdrive, fuzz, distortion) and before delay/reverb to maintain a clear and steady movement.
Technical specifications
| Effects | Tremolo | Type | sector |
| Technology | Digital | Use | electric guitar |
| Format | Pedal | Color | Orange |
Questions frequently asked
What tremolo sounds does the UAFX Flow Vintage Tremolo offer?
Three modes are available: Dharma for a harmonic tremolo, 65 for a sine wave, and Square for a square wave. The modeled tube preamp adds grit and depth to the signal.
Does the Flow pedal have a tap tempo?
An integrated tap tempo allows adjusting the modulation speed by foot according to the played tempo.
How to connect the Flow Vintage Tremolo on a pedalboard?
The connectivity includes a 6.35 mm TS unbalanced input and output. The recommended placement is after overdrive pedals and before a delay or reverb. A true bypass or buffer can be selected depending on cable length and the effects chain.
What power supply is required for this Universal Audio tremolo pedal?
A mains power supply is required and is not included; it is sold separately.
What are the dimensions of the UAFX Flow?
With 6.55 cm width, 12.07 cm depth, and 5.81 cm height, this format weighs 299 g. A USB-C port allows updates from a computer.
