The Universal Audio Flow Vintage Tremolo Pedal features three flavors of tube-driven tremolo effects, tap tempo, perfectly emulated preamp circuit, volume boost, and true/buffered bypass, all in a compact stompbox.
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.
Dharma: Experience Thick Harmonic Tremolo
Immerse yourself in the chewy throb of early '60s American "brown" amps, and add a syrupy mix of volume fluctuation and phase shifting — far beyond the original circuit — that's perfect for vintage soul, surf, and even Uni-Vibe textures.*
65: Indulge in Perfect Tube Amp Tremolo
Play through an exhaustive end-to-end emulation of a classic 1965 American tube amp's optical tremolo circuit, and get the pulsating shimmer of the most famous "vibrato" ever created. Sounds just like your favorite old record.
Square: Add Modern, Choppy Textures
Built from the ground up using our own virtual optical photocell, get the rippling beauty of square waveforms and dive into rhythmic trem effects that enhance any genre, from modern pop and R&B to blues and indie rock.
Get the Authentic Tone of a Tube Preamp
Flow gives you the warm, complex sounds of a tube preamp — in this case from early and mid-'60s American combos — so your tremolo effects are more present, three-dimensional, and musical.
Paint the Town with a Rugged, Compact Stompbox
Built for years of trustworthy performance, Flow Vintage Tremolo gives you switchable true/trails bypass, tap tempo, and "make up gain" Volume control to ensure your tremolo effects are heard loud and proud for years to come.
Personalize your Pedal with a Mobile App
With the UAFX Control app, you can tweak footswitch settings, adjust realtime effects, and customize unique oscillation sounds to blast your tones into the stratosphere.
Power Requirements
All UAFX Pedals require an external power supply (sold separately). The Universal Audio UAFX Power Supply is a 9v DC/400mA wall-wart style isolated power supply. It is a universal power supply and includes multiple plug adapters (for the US, UK, EU, and AUS/NZ), so you are good to go with your UAFX Pedal, around the globe!
Universal Audio Flow Vintage Tremolo Pedal Features
- 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
Universal Audio Flow Vintage Tremolo Pedal Specifications
- Power requirements: Isolated 9VDC, center-negative, 250mA minimum (sold separately)
- Inputs: 1 x 1/4” TS unbalanced
- Outputs: 1 x 1/4” TS unbalanced
- USB: Type-C for updates via computer
- Height: 5.81 cm, 2.29 inches
- Width: 6.55 cm, 2.58 inches
- Depth: 12.07 cm, 4.75 inches
- Weight: 0.659 lbs (0.299 kg)
Universal Audio Flow Vintage Tremolo Pedal Includes
- Universal Audio Flow Vintage Tremolo Pedal
- Manual
- Manufacturer Warranty
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