Manufacturers

Guitar Pedals from Universal Audio

Welcome to your ultimate guide to Universal Audio's guitar pedals. This catalog serves as your starting point to explore and compare all pedals crafted by Universal Audio. Designed for easy navigation, we hope you can quickly find detailed information on each pedal, including specifications, user reviews, and demo videos. Whether you're searching for the latest releases, seeking to expand your pedal collection, or exploring options for a specific sound, hopefully Stompbx can assist you in finding exactly what you need.

Amp Modelers and Cab Sims

OX Stomp Dynamic Speaker Emulator

The OX Stomp Dynamic Speaker Emulator by Universal Audio is a powerful pedal that provides a comprehensive set of features for guitarists and musicians. Here are the technical specifications and details: \- Dynamic Speaker Modeling: The OX Stomp utilizes groundbreaking Dynamic Speaker Modeling to emulate speaker breakup, drive, and cone cry, providing harmonics and sonic complexity indistinguishable from a perfectly studio-miked speaker cabinet. \- Microphone Emulation: The pedal offers expertly placed close condenser, dynamic, and ribbon mics on guitar cabinets, along with a complete selection of room mics with Dynamic Room Modeling, delivering an authentic experience of pushing air while recording a cranked amp in a world-class tracking room. \- Studio-Quality Effects: Beyond mic and speaker cabinet modeling, the OX Stomp allows users to craft stunning guitar sounds with UA effects like genuine 1176 compression, plate reverb, chorus, flange, three delay types, and a four-band EQ with high and low-cut filters. \- Rig Setups: With over 100 curated RIG setups, the OX Stomp offers inspiring sounds for any amp type or genre, suitable for use with UAFX amp emulator pedals, other popular amp modelers, multi-effects, profilers, or even a favorite amp's preamp line out. \- UAFX Control App: Users can easily swap cabs and mics, fine-tune effects, assign RIG presets, and configure footswitches to instantly toggle sounds and/or effects using the UAFX Control app. \- Power Requirements: The OX Stomp requires isolated 9VDC, center-negative, with a minimum of 400 mA (power supply sold separately). \- Inputs and Outputs: The pedal features 2 x ¼” TS inputs and 2 x ¼” TS outputs, as well as a USB Type-C port for pedal registration and firmware updates. \- Footswitch Modes: The OX Stomp supports various footswitch modes, including A | B, Delay | Reverb, A / B | C / D, A / B | Delay, A / B | Reverb, and A / B | Effects, offering flexibility in toggling between different Rigs and effects.

Chorus and Vibrato

Brigade Chorus & Vibrato

The Brigade Chorus & Vibrato by Universal Audio is a compact stompbox that provides warm analog modulation effects. It is designed to emulate the Boss CE-1 Chorus Ensemble pedal from the 1970s, offering three-dimensional analog chorus effects and warbled vibrato sounds. The pedal features a vintage analog preamp, allowing users to fatten up their guitar tones and add volume and texture to their overall sound for more sustain and punch. Key Features: 1\. Emulation of Original Analog Bucket-Brigade Design: The pedal offers milkshake-thick chorus effects, capturing the original analog bucket-brigade design made famous by renowned artists. 2\. Vibrato Effects: Users can explore subtle detuned textures and warbled vibrato sounds, transforming guitar parts into ear-catching gems. 3\. Vintage Analog Preamp: The pedal perfectly captures the vintage CE-1's coveted analog preamp, providing fat analog boost tones and enhancing overall tone with more sustain and punch. 4\. Compact Design: Built for hassle-free performance, the pedal features true/buffer bypass and preamp off/on switches, encapsulating all the analog magic of the vintage effect in a compact form. Use Cases: \- Guitarists can use the Brigade Chorus & Vibrato to add rich analog chorus effects and chewy vibrato to their performances, capturing the iconic sounds of the 1970s. \- Musicians can explore a wide range of modulation effects, from subtle enhancements to transformative textures, across various musical genres. Functionality: \- The pedal is designed to provide users with a versatile range of chorus and vibrato effects, allowing for easy integration into pedalboards and studio setups. \- It is built with timeless UA design and esteemed craftsmanship, ensuring years of inspiration for musicians. Use of artist names does not constitute official endorsement of the product.

Astra Modulation Machine

The Astra Modulation Machine by Universal Audio is a versatile stereo modulation pedal designed to deliver authentic vintage modulation effects. It features three main modulation modes, each with three variations, providing a wide range of sonic possibilities. The modes include: 1\. Chorus Brigade: This mode emulates the iconic Japanese bucket-brigade chorus/vibrato from 1976, offering rich, luxuriant chorus and wavy vibrato effects. 2\. Flanger DBLR: Replicates tones found on rare rack units, delivering thickening tones and adding movement to the sound. 3\. Trem 65: Based on tube-driven optical tremolos found in vintage American amps, this mode provides authentic tremolo effects ranging from subtle shimmering ripples to choppy mayhem. The Astra Modulation Machine is built upon the powerful UAFX dual-engine processing, allowing separate stereo instances of each modulation effect. It also features studio-grade conversion, Live/Preset modes, true/buffered bypass, and silent switching for seamless integration into any rig. The pedal offers stereo inputs and outputs, USB-C input, and Bluetooth app connectivity for firmware updates and additional downloadable effects. The Astra Modulation Machine requires a modern 400 mA isolated power supply for operation. Overall, the Astra Modulation Machine is designed to provide musicians with a wide array of vintage modulation effects, robust craftsmanship, and the potential for future updates, making it a valuable addition to any pedalboard.

Compression/Sustain

1176 Studio Compressor

The Universal Audio 1176 Studio Compressor is a dynamic range compressor designed for studio and stage use. It features a field-effect transistor (FET) gain reduction circuit in a feedback configuration, providing a distinctive tone and a wide range of sounds. The 1176 Studio Compressor offers the following technical specifications: \- Power requirements: Isolated 9VDC, center-negative, 250mA minimum \- Inputs: 1 x 1/4” TS unbalanced \- Outputs: 1 x 1/4” TS unbalanced \- USB Type-C for updates \- Four different compression ratios: 4:1, 8:1, 12:1, and 20:1 \- Adjustable attack time: 20 μs to 800 μs (0.00002–0.0008 seconds) \- Adjustable release times: 50 ms to 1100 ms (0.05–1.1 seconds) \- True/buffered bypass switch \- Parallel compression capability \- All-button or British mode for unique compression characteristics \- Linkable for proper stereo operation The 1176 Studio Compressor is known for its fast attack and release times, program-dependent behavior, and the ability to achieve different compression ratios. It has been widely appreciated by engineers and producers and established as a studio standard due to its reliable performance and versatile sound-shaping capabilities.

Max Preamp & Dual Compressor

The Max Preamp & Dual Compressor by Universal Audio is a versatile pedal that integrates award-winning UAFX dual-engine processing to deliver the iconic sound of three legendary limiters and an iconic tube preamp. The pedal features the classic compression colors of a Teletronix LA-2A, UA 1176, and Dyna Comp, allowing users to explore a wide range of tones and textures. Additionally, it offers the warm tube compression of the Teletronix LA-2A and the gritty compression of the classic Dyna Comp, enabling users to achieve lo- fi compression and funky overdrive effects. Furthermore, the Max Preamp & Dual Compressor includes the legendary UA 610 tube preamp, providing warm detail and character with the perfect amount of harmonics and grit. Users can stack compressors in any combination for a diverse array of sounds and textures, allowing for personalized and unique compression and preamp effects. The pedal also offers the option to tweak EQ settings, utilize serial/parallel operation, and add a sidechain bass filter for fully customized compression and preamp effects through the UAFX Control app. The Max Preamp & Dual Compressor requires a modern 400 mA isolated power supply (sold separately) for operation. The pedal's dimensions are approximately 2.56" in height and 3.62" in width. It features 2 x ¼” TS inputs and 2 x ¼” TS outputs, with a USB Type-C port for updates via a computer.

Delay

Del-Verb Ambience Companion

The Del-Verb Ambience Companion by Universal Audio is a versatile delay and reverb pedal designed to provide a wide range of classic effects and modern functionality. It is built upon the award-winning UAFX dual-engine processing, offering authentic emulations of classic reverb and delay effects. Key Features: 1\. Reverbs: The pedal includes three classic reverb algorithms, including '60s tube amp spring, studio plate, and vintage digital hall, providing a diverse range of ambient soundscapes. 2\. Delays: It offers vintage tape, analog bucket-brigade, and studio-grade digital delays, allowing users to explore a variety of delay textures. 3\. Dual-Stereo Effect Engines: The powerful engine runs separate stereo instances of each reverb and delay, enabling creative combinations with stunning three-dimensional stereo depth. 4\. UAFX Control App: Users can personalize their pedal using the UAFX Control app, which allows for tap tempo control and downloading custom effect voicings for each effect. Specifications: \- Pedal Type: Delay, Reverb \- Analog/Digital: Digital \- Inputs: 2 x 1/4" unbalanced TS \- Outputs: 2 x 1/4" unbalanced TS \- Power Requirements: Isolated 9VDC, center-negative, 400 mA minimum (power supply sold separately) \- Dimensions: 6.45 x 4 x 3 inches \- Weight: 1.25 pounds \- Country of Origin: China Overall, the Del-Verb Ambience Companion offers a comprehensive set of features and high-quality effects, making it a valuable addition to any musician's pedalboard.

Galaxy '74 Tape Echo & Reverb

The Galaxy '74 Tape Echo & Reverb by Universal Audio is a stereo delay pedal that faithfully emulates the classic mid-'70s analog Japanese ambience device. It captures the warm, warped, and relentlessly analog effects of the iconic mid-'70s Roland Space Echo hardware. Key Features: \- Full modeling of the classic multi-head tape delay mechanism \- Exacting emulation of the original hardware's spring reverb \- Definitive capture of iconic analog preamp section \- Doubled delay times for effects that go beyond the original hardware \- UAFX Control app for tweaking footswitch functionality, adjusting real-time effects, and customizing unique oscillation sounds \- Silent switching, buffered bypass, analog dry through, spillover/trails, stereo/dual mono operation Specifications: \- Power requirements: Isolated 9VDC, center-negative, 400 mA minimum (power supply sold separately) \- Inputs: 2 x ¼” TS \- Outputs: 2 x ¼” TS \- USB Type-C for updates via computer \- Dimensions: Height 2.56” (6.5 cm), Width 3.62” (9.2 cm), Depth 5.55” (14.1 cm) \- Weight: 1.24 lbs (0.567 kg) The pedal offers organic multi-head tape delays with all the analog character of the vintage hardware, experimental textures with the ambient shimmer of genuine spring reverb, and a jaw-dropping emulation of the original Space Echo's coveted analog preamp. It also allows for personalization through the UAFX Control app.

Starlight Echo Station

The Starlight Echo Station by Universal Audio is a flagship delay pedal featuring powerful dual-processor UAFX engine. It offers emulations of classic tape echo, bucket-brigade, and digital delay units in a single, powerful stompbox. The pedal is built upon futuristic UAFX dual-engine processing and offers unflinching sonic accuracy. It sets a new benchmark in delay effects, beautifully crafted to travel the farthest reaches of your imagination for decades to come. Key Features: \- Dual Stereo Delay Engines: The UAFX engine powers separate stereo instances of each delay effect, providing a full stereo spread of complex spatial textures and seamless delay effect transitions with trails. \- Analog Dry-Through: The analog dry signal is always passed through to the outputs without digital conversion, except when set to 100% wet. When unpowered or bypassed, the signals are pure analog dry-through from input to output via mechanical relays. \- Silent Switching: The pedal is designed to switch on and off seamlessly and silently, using relays and advanced circuitry. \- Free Bonus Effect: Registering the pedal with UA Connect or UAFX Control software provides access to the free Cooper Time Cube bonus effect. Controls: \- Knobs: Delay, Feedback, Mix, Division, Color, Mod, Effect Type, Store, Variation A/B/C \- Footswitches: Left Footswitch for Live mode effect on/off, Right Footswitch for accessing the preset, providing tap tempo, or both Specifications: \- Inputs: 2 x ¼” unbalanced TS (input 2 for stereo connections) \- Outputs: 2 x ¼” unbalanced TS (output 2 for stereo connections) \- Power: 9VDC Center Negative 400mA Isolated Power Connection \- USB-C: For future firmware updates The specific control details for each effect (Tape EP-III, Analog DMM, Precision) are also provided, offering a unique sound and control set for each effect.

Flangers

Astra Modulation Machine

The Astra Modulation Machine by Universal Audio is a versatile stereo modulation pedal designed to deliver authentic vintage modulation effects. It features three main modulation modes, each with three variations, providing a wide range of sonic possibilities. The modes include: 1\. Chorus Brigade: This mode emulates the iconic Japanese bucket-brigade chorus/vibrato from 1976, offering rich, luxuriant chorus and wavy vibrato effects. 2\. Flanger DBLR: Replicates tones found on rare rack units, delivering thickening tones and adding movement to the sound. 3\. Trem 65: Based on tube-driven optical tremolos found in vintage American amps, this mode provides authentic tremolo effects ranging from subtle shimmering ripples to choppy mayhem. The Astra Modulation Machine is built upon the powerful UAFX dual-engine processing, allowing separate stereo instances of each modulation effect. It also features studio-grade conversion, Live/Preset modes, true/buffered bypass, and silent switching for seamless integration into any rig. The pedal offers stereo inputs and outputs, USB-C input, and Bluetooth app connectivity for firmware updates and additional downloadable effects. The Astra Modulation Machine requires a modern 400 mA isolated power supply for operation. Overall, the Astra Modulation Machine is designed to provide musicians with a wide array of vintage modulation effects, robust craftsmanship, and the potential for future updates, making it a valuable addition to any pedalboard.

Multi-Effect Pedals

Lion '68 Super Lead Amp

The Lion '68 Super Lead Amp by Universal Audio is a versatile amp-in-a-box pedal that faithfully captures the classic British amp sounds of the late '60s 100W plexi heads. It features three distinct 100-watt plexi amplifiers: Super Lead, Super Bass, and Brown, as well as six award-winning speaker cab emulations. The pedal allows for selectable boost modes, control of a 3-band EQ and volume for each of the two channels, room sound alteration, presence adjustment, and output volume control. It supports stereo 1/4" I/O for feeding stereo FX into the amp pedal and is compatible with the 4-cable method for easy integration into external FX setups. The Lion '68 Super Lead Amp is equipped with Bluetooth 5 support and can be wirelessly controlled using the UAFX Control app, which also allows for downloading custom tones and accessing unique features such as the onboard noise gate and custom mod functions. The pedal provides authentic tube amp tones suitable for both stage and studio use, offering inspiring, album-ready tones of three expertly miked "golden unit" 100W plexi amp heads. It accurately captures the bell-like cleans, aggressive breakup, and soaring distortion of a vintage hand-picked Super Lead head, as well as classic Super Bass tones and the hot-rodded "brown" sound associated with Van Halen. Additionally, the Lion '68 Super Lead Amp includes tried-and-true boost recipes, such as a Maestro EP-III preamp and Boss GE-10 ten-band EQ, for further tone customization. To capture classic plexi sounds, Universal Audio used prime specimens of a '68 Super Lead and '69 Super Bass, each bone stock with "laydown" transformers. For the "Brown" amp, a Variac was used to bring the wall power down to 90 volts and rebiased the amp extra hot, providing an authentic sound and feel of the most famous hot-rodded sound ever recorded. The Lion '68 Super Lead Amp requires a modern 400 mA isolated power supply (sold separately).

Preamps

Max Preamp & Dual Compressor

The Max Preamp & Dual Compressor by Universal Audio is a versatile pedal that integrates award-winning UAFX dual-engine processing to deliver the iconic sound of three legendary limiters and an iconic tube preamp. The pedal features the classic compression colors of a Teletronix LA-2A, UA 1176, and Dyna Comp, allowing users to explore a wide range of tones and textures. Additionally, it offers the warm tube compression of the Teletronix LA-2A and the gritty compression of the classic Dyna Comp, enabling users to achieve lo- fi compression and funky overdrive effects. Furthermore, the Max Preamp & Dual Compressor includes the legendary UA 610 tube preamp, providing warm detail and character with the perfect amount of harmonics and grit. Users can stack compressors in any combination for a diverse array of sounds and textures, allowing for personalized and unique compression and preamp effects. The pedal also offers the option to tweak EQ settings, utilize serial/parallel operation, and add a sidechain bass filter for fully customized compression and preamp effects through the UAFX Control app. The Max Preamp & Dual Compressor requires a modern 400 mA isolated power supply (sold separately) for operation. The pedal's dimensions are approximately 2.56" in height and 3.62" in width. It features 2 x ¼” TS inputs and 2 x ¼” TS outputs, with a USB Type-C port for updates via a computer.

Reverb

Del-Verb Ambience Companion

The Del-Verb Ambience Companion by Universal Audio is a versatile delay and reverb pedal designed to provide a wide range of classic effects and modern functionality. It is built upon the award-winning UAFX dual-engine processing, offering authentic emulations of classic reverb and delay effects. Key Features: 1\. Reverbs: The pedal includes three classic reverb algorithms, including '60s tube amp spring, studio plate, and vintage digital hall, providing a diverse range of ambient soundscapes. 2\. Delays: It offers vintage tape, analog bucket-brigade, and studio-grade digital delays, allowing users to explore a variety of delay textures. 3\. Dual-Stereo Effect Engines: The powerful engine runs separate stereo instances of each reverb and delay, enabling creative combinations with stunning three-dimensional stereo depth. 4\. UAFX Control App: Users can personalize their pedal using the UAFX Control app, which allows for tap tempo control and downloading custom effect voicings for each effect. Specifications: \- Pedal Type: Delay, Reverb \- Analog/Digital: Digital \- Inputs: 2 x 1/4" unbalanced TS \- Outputs: 2 x 1/4" unbalanced TS \- Power Requirements: Isolated 9VDC, center-negative, 400 mA minimum (power supply sold separately) \- Dimensions: 6.45 x 4 x 3 inches \- Weight: 1.25 pounds \- Country of Origin: China Overall, the Del-Verb Ambience Companion offers a comprehensive set of features and high-quality effects, making it a valuable addition to any musician's pedalboard.

Heavenly Plate Reverb

The Universal Audio UAFX Heavenly Plate Reverb pedal offers three accurate emulations of Vintage Bright, Vintage Dark, and Modern Full analog plates. It features controls for Decay, Pre-Delay, and Mod, allowing for precise adjustment of the reverb effect. The pedal also includes true/trails bypass and analog dry-through functionality. The power requirements for the pedal are an isolated 9VDC, center-negative, with a minimum of 250mA (sold separately). It has 1 x 1/4" TS unbalanced input and output, as well as a USB Type-C input. The pedal is designed to provide users with the haunting ambience of classic plate reverbs, making it suitable for a wide range of musical styles and applications.

Galaxy '74 Tape Echo & Reverb

The Galaxy '74 Tape Echo & Reverb by Universal Audio is a stereo delay pedal that faithfully emulates the classic mid-'70s analog Japanese ambience device. It captures the warm, warped, and relentlessly analog effects of the iconic mid-'70s Roland Space Echo hardware. Key Features: \- Full modeling of the classic multi-head tape delay mechanism \- Exacting emulation of the original hardware's spring reverb \- Definitive capture of iconic analog preamp section \- Doubled delay times for effects that go beyond the original hardware \- UAFX Control app for tweaking footswitch functionality, adjusting real-time effects, and customizing unique oscillation sounds \- Silent switching, buffered bypass, analog dry through, spillover/trails, stereo/dual mono operation Specifications: \- Power requirements: Isolated 9VDC, center-negative, 400 mA minimum (power supply sold separately) \- Inputs: 2 x ¼” TS \- Outputs: 2 x ¼” TS \- USB Type-C for updates via computer \- Dimensions: Height 2.56” (6.5 cm), Width 3.62” (9.2 cm), Depth 5.55” (14.1 cm) \- Weight: 1.24 lbs (0.567 kg) The pedal offers organic multi-head tape delays with all the analog character of the vintage hardware, experimental textures with the ambient shimmer of genuine spring reverb, and a jaw-dropping emulation of the original Space Echo's coveted analog preamp. It also allows for personalization through the UAFX Control app.

Evermore Studio Reverb

The Evermore Studio Reverb by Universal Audio is a compact reverb pedal that offers three studio-grade, Lexicon-style reverbs in a streamlined, pedalboard- friendly package. It is based on the classic Lexicon 224 and features three reverb types: Room, Small Hall, and Large Hall. The pedal allows for modulation control, mix control, and decay controls for Bass, Mid, and Treble frequencies, enabling users to tune the virtual reverberant space to their specific needs. Additionally, it offers optional predelay and selectable True or Trails Bypass modes for added flexibility. Specifications: \- Pedal Type: Reverb \- Analog/Digital: Digital \- Effects: Room, Small Hall, Large Hall \- Inputs: 1 x 1/4" \- Outputs: 1 x 1/4" \- Power requirements: Isolated 9VDC, center-negative, 250mA minimum (sold separately) \- Dimensions: 4.75 x 2.58 x 2.29" / 12.06 x 6.55 x 5.82 cm \- Weight: 0.65 lb / 295 g The Evermore Studio Reverb is designed to deliver the grainy ambient tails and mesmerizing modulations of the iconic late-’70s early-digital device, providing users with a lush ambient sound and vintage digital reverb algorithms. It is built for a lifetime of dependable service and offers a rugged, simple stompbox design with switchable true/trails bypass and short/long pre-delay switch for a safe and enjoyable user experience. Overall, the Evermore Studio Reverb is a versatile and compact pedal that brings vintage digital reverb effects to modern pedalboards, offering a range of classic reverb programs and intuitive controls for creating stunning soundscapes.

Golden Reverberator

The Golden Reverberator by Universal Audio is a flagship reverb emulation pedal with a powerful dual-processor UAFX engine. It offers three classic reverb sounds, including Spring 65, Plate 140, and Hall 224, with available modulation on each effect. The pedal features simple Live/Preset modes for instant recall of favorite sounds and additional downloadable effects by the UAD algorithm team. It also includes true or buffered bypass, spillover/tails, silent switching, analog dry through, and stereo/dual mono operation. The pedal requires an isolated 9VDC, center-negative, 400mA minimum power supply and has 2 x ¼” TS inputs and outputs for stereo connections. The Golden Reverberator is designed with classic UA analog craftsmanship and is built to last decades.

Tremolo

Flow Vintage Tremolo

The Flow Vintage Tremolo by Universal Audio is a compact stompbox pedal that offers three flavors of tube-driven tremolo effects, tap tempo, and volume boost. The pedal provides three stunning emulations of legendary tube amp tremolo effects, including Dharma for thick harmonic tremolo, 65 for perfect tube amp tremolo, and Square for modern, choppy textures. It also features a tube preamp section for warm, complex sounds and switchable true/trails bypass, tap tempo, and "make up gain" Volume control for versatile use. Specifications: \- Power requirements: Isolated 9VDC, center-negative, 250mA minimum (power supply sold separately) \- Inputs: 1 x 1/4” TS unbalanced \- Outputs: 1 x 1/4” TS \- True Bypass/Buffer: Both, Selectable \- Ins - Outs: Mono In/Out \- Stereo/Mono: Mono \- Expression Out: N/A \- Dimensions: 2.29" x 2.58" x 4.75" / 5.81 x 6.55 x 12.07 cm \- Weight: 299 g The pedal is designed for years of rock-solid performance and is suitable for various music genres, from vintage soul and surf to modern pop and indie rock.