Guitar Pedals from Seymour Duncan

Welcome to your ultimate guide to Seymour Duncan's guitar pedals. This catalog serves as your starting point to explore and compare all pedals crafted by Seymour Duncan. 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.

Bass Effects

Chorus and Vibrato


The Seymour Duncan Catalina Dynamic Chorus Guitar Effects Pedal is a versatile and feature-packed pedal designed to provide a wide range of tonalities and effects. It is hand-crafted and assembled at Seymour Duncan’s Santa Barbara, California factory. Specifications: \- Type of circuitry: Analog Bucket Brigade Devices (BBDs) supported by modern low-noise analog electronics. \- Delay: Sets time delay from 6 to 60 milliseconds. \- Tone: Sets cutoff of passive low pass filter from 0.5kHz to 6kHz. \- Depth: Sets the modulation of the delay time from off to 50%. \- Rate: Sets modulation rate from 0.33 – 10 cycles/second. \- Expression: Engages the envelope follower. \- Input Impedance: 1 Megohm. \- Output Impedance: 500 Ohms. \- Dry Gain: 0dB. \- Wet Gain: Off to +3dB above the dry signal. Additional Features: \- Dynamic Expression feature: Allows real-time control of the amount of chorus effect by varying the dynamics of playing. It offers "Hard" mode for more pronounced chorus with increased playing intensity and "Soft" mode for intensified effect with relaxed playing. \- Tone control: Allows the roll-off of high-end frequencies. \- Stereo outputs: Enables lush stereo effects when using a dual amp rig. \- Lighted Threshold knob: Changes color to indicate the engagement of the chorus effect when using the Dynamic Expression feature and the selected expression mode. Physical Specifications: \- Dimensions: 3.5” x 4.7” x 1.6”. \- Weight: 0.9 lb without battery. The Catalina Chorus pedal is highly adjustable, offering a lush and dynamic chorus effect suitable for various musical styles and applications. It is designed to meet the needs of guitarists seeking a versatile and high-quality chorus pedal for their performances and recordings.


Vise Grip

The Vise Grip by Seymour Duncan is a studio-grade compressor pedal designed to provide exceptional control over dynamics and sustain for guitarists. It features a unique blend knob and a 3-way mini-toggle switch, allowing users to adjust the compression ratio from 1:1 to over 20:1. The pedal offers a maximum compressor gain of +50dB and adjustable attack speed ranging from 2.0ms to 50ms. The input impedance is 1 Megohm, and the output impedance is a maximum of 2.75K ohms. The maximum input level is 3 Vrms, with distortion of less than 0.3% at 300mV RMS output at 1 kHz. The compressor type is a Voltage Controlled Amplifier (VCA). The Vise Grip can be powered by a 9V battery or a 9V to 18V DC regulated adapter with center pin negative polarity. It has a current consumption of 21mA during operation and 19mA in bypass mode. The pedal is true-bypass and is assembled at the Seymour Duncan Factory in Santa Barbara, California. The Vise Grip is suitable for a wide range of use-cases, from subtle dynamic adjustments to extreme compression effects. It allows users to control the blend of the original signal with the compressed sound and offers options to adjust the character of the blended signal. The sustain knob determines the duration of notes, while the attack control regulates the speed at which the compressor reacts to the initial pick attack. Additionally, the volume control can be used as a boost while taking advantage of the blend and character controls. Overall, the Vise Grip by Seymour Duncan provides guitarists with precise control over their sound dynamics, making it suitable for various musical styles and performance settings.

Studio Bass

The Studio Bass by Seymour Duncan is a studio-grade bass compressor pedal designed to provide ultimate dynamic control for bass players. It features a 3-position mini-toggle and blend knob, allowing for near limitless control over the tone by mixing uncompressed tones alongside the affected sound. Users can blend in their unadulterated clean signal, a mid boost for cutting through busy mixes, or a fat low-end growl. The pedal offers a wide range of tones from subtle to super-squashed, catering to various playing styles including punk rock, funk, and fingerstyle. Technical Specifications: \- Pedal Type: Compressor \- Inputs: 1 x 1/4" \- Outputs: 1 x 1/4" \- True Bypass: Yes \- Power Source: 9-18V DC power supply (sold separately) \- Dimensions: 2.60" wide x 5.0" long x 1.45" high \- Weight: 0.67 lbs \- Compression Ratio: Soft-knee, adjustable from 1:1 to > 20:1 \- Maximum Compressor Gain: +33dB \- Attack Speed: Adjustable The Studio Bass compressor pedal is suitable for a wide range of use-cases, from subtle adjustment of the dynamic range to intensive compression of the sound. It can also be used as a clean boost for solos and as an 'always-on' pedal to form the core of a player's sound.


Vapor Trail

The Seymour Duncan Vapor Trail is an analog delay pedal designed to deliver warm, authentic vintage tones, lush modulation, and additional creative possibilities. The pedal features a 100% analog tone with modern low-noise analog electronics, supported by Analog Bucket Brigade Devices (BBDs), without the use of microprocessors or digital signal processors. The Vapor Trail offers a delay range from 15ms to 600ms, with the actual delay time indicated by the flash rate of the illuminated delay time knob. Key specifications include: \- Bypass: True bypass \- Dry Gain: 1dB fixed \- Wet Gain: Adjustable from muted to +3dB \- Repeat Control Range: One repeat to runaway repeats \- Modulation Rate Range: 0.2Hz to 4Hz \- Modulation Depth Range: Zero to "over the top" \- Auxiliary Functions: Wet channel insert loop, allowing external effects to be applied to only the wet signal, and serving as a wet-only output for wet/dry stereo or studio use \- Dry Frequency Response: < -1dB @ 10Hz and 100kHz \- Dry Distortion: 0.002% at 250Hz, 1V RMS output \- Dry Noise Floor: -100dBv at output, 400Hz to 20kHz with input unplugged \- Wet Noise Floor: -90dBV at output, 400Hz to 20kHz \- Input Impedance: 1 Meg (active); open (bypassed) \- Output Impedance: 1K ohm \- Power: Internal 9V battery or external 9V-18V regulated power supply (not included) \- Current Consumption: 11mA typical \- Dimensions: Chassis size 2.61" x 4.90" x 1.45" (W x L x H) \- Weight: 0.8lb without battery The Vapor Trail also features modulation controls to add shimmer and movement to the echoed signal, as well as a flashing LED in the Delay knob for visual tempo readout. Additionally, it offers the ability to process the repeats through additional effects via a TRS insert jack, allowing for enhanced creativity and sonic exploration.

Dark Sun

The Seymour Duncan Dark Sun is a digital delay and reverb pedal designed based on Mark Holcomb's favorite sounds from the Silver Lake Dynamic Reverb and the Andromeda Dynamic Delay. It features a clean, warm digital delay algorithm and a rich Hall reverb, with the ability to route both in virtually any configuration desired. The pedal offers the following technical specifications: \- Input Impedance: 1M Ohm \- Output Impedance: 100 Ohms \- Gain: Unity \- Noise: < -105dBV \- Frequency Response: 20 Hz to 20 KHz +/-0.5dB \- Power: External 9V \- Fully MIDI capable \- Micro-USB port for firmware updates and preset management \- Dimensions: 5.6" x 5.13" x 2.15" \- Weight: 1.35 lbs The Dark Sun pedal also provides the ability to sculpt the effect’s EQ, add saturation, rich choral modulation, and utilize Dynamic Expression to adjust the effect’s mix with playing. Additionally, it includes highpass and lowpass filters, saturation, modulation, and blend controls.

Vapor Trail Analog Delay

The Seymour Duncan Vapor Trail Analog Delay pedal is a studio-quality analog delay pedal with specific technical specifications and features. Here are the details: \- Type of Circuitry: The pedal utilizes analog Bucket Brigade Devices (BBDs) supported by modern low-noise analog electronics, with no microprocessors or digital signal processors. \- Bypass: True bypass functionality. \- Delay Range: The delay time ranges from 15ms to 600ms, with the actual delay time indicated by the flash rate of the illuminated delay time knob. \- Dry Gain: Fixed at 1dB. \- Wet Gain: Adjustable from muted to +3dB. At the highest blend settings, the first echo is actually louder than the dry signal. \- Repeat Control Range: From one repeat to runaway repeats. \- Modulation Rate Range: 0.2Hz to 4Hz. \- Modulation Depth Range: Ranges from zero to "over the top." \- Auxiliary Functions: The pedal features a wet channel insert loop, allowing external effects to be applied to only the wet signal. It also serves as a wet-only output for wet/dry stereo or studio use. \- Dry Frequency Response: Less than -1dB @ 10Hz and 100kHz. \- Dry Distortion: 0.002% at 250Hz, 1V RMS output. \- Dry Noise Floor: -100dBv at output, 400Hz to 20kHz with input unplugged. \- Wet Noise Floor: -90dBV at output, 400Hz to 20kHz. \- Input Impedance: 1 Meg (active); open (bypassed). \- Output Impedance: 1K ohm. \- Power: The pedal can be powered by an internal 9V battery or an external 9V-18V regulated power supply (not included). \- Current Consumption: Typical consumption is 11mA. \- Dimensions: The chassis size is 2.61" x 4.90" x 1.45" (W x L x H), and the weight is 0.8lb without a battery. These technical specifications highlight the capabilities and functionality of the Seymour Duncan Vapor Trail Analog Delay pedal, making it suitable for a wide range of musical applications.


The Seymour Duncan Andromeda Dynamic Digital Delay Pedal is a fully programmable digital delay pedal designed to provide classic sounds with unique dynamic control for an interactive, all-in-one delay machine. It features warm, hypnotic repeats with an unparalleled level of control and musical, dynamic interaction. The pedal offers eight delay types including Normal, Ping Pong, Reverse, and Reverse Pong. Key Features: \- Delay Types: Normal, Ping Pong, Reverse, Reverse Pong \- Tone Knob: Modifies the delay with brightness or darkness \- Saturation Control: Adds grit and grind similar to classic tape machines \- Modulation Knob: Provides chorus or vibrato on the echoed signal \- Tap Tempo: Offers four rhythmic subdivisions \- Selectable Trails Feature: Allows echoes to decay naturally when the pedal is bypassed \- Dynamic Expression™ Feature: Enables real-time control of Mix, Modulation, or Saturation based on picking attack \- Fully Programmable: Capable of saving and recalling unique delay patches with 128 presets and MIDI compatibility \- Stereo Ins and Outs: Compatible with a wide array of live and studio applications, facilitating expansive stereo imaging \- 24-bit/48kHz Digital Engine: Ensures high-quality sound processing \- Micro-USB Port: Allows connection to the Updater/Librarian software for updates, preset management, and more \- Bright Alpha-Numeric Readout: Provides easy visibility of loaded patches Technical Specifications: \- Input Impedance: 1M Ohm \- Output Impedance: 100 Ohms \- Gain: Unity \- Noise: < -105dBV \- Frequency Response: [No specific range available] Dimensions and Weight: \- Dimensions: 5.60'' x 5.13'' x 2.15'' \- Weight: 1.35 lbs The Andromeda pedal is designed to offer a wide range of tonal options and interactive, intuitive control, making it an indispensable tool for creative guitarists in both live and studio settings.


The Seymour Duncan VAPOR TRAIL DELUXE is an analog delay pedal that combines 100% analog tone with extensive digital control. It builds on the legacy of the original Vapor Trail analog delay pedal, offering warm Bucket Brigade repeats and 3-dimensional modulation. The pedal features four of the largest Bucket Brigade chips in production, delivering enhanced tone and increased delay times of up to 1.2 seconds. Key Features: \- 100% Analog, Bucket Brigade Tone: The pedal offers analog warmth and character, with the four Bucket Brigade chips enhancing tone and providing increased delay times. \- Total Control: It is equipped with tap tempo with subdivisions, expression pedal control, and delay tails on/off options. Additionally, it allows for storing presets in three preset locations for on-the-fly recall. \- Limitless Ambient Inspiration: The Vapor Trail Deluxe serves as a platform for ambient sonic exploration, featuring a Wet Insert for adding outboard effects to the repeated signal. It also includes four new modes: \- Micro Delay: Provides extremely fast repeats for replicating double-track, slapback, and Leslie speaker-like effects. \- Pitch Sequence: Introduces up and down octaves in eight customizable, rhythmic sequences. \- Pitch Bender: Offers dive-bomb and glissando control at the tap of your toe. \- Runaway: Allows for endless repeats and building energy of runaway delay with effortless control. Technical Specifications: \- Delay Times: Range from 6ms up to 1.2 seconds \- Modulation: Subtle shimmer to rotary speaker-like warble \- Preset Locations: Three preset locations for storing settings \- Wet Insert: Allows for adding outboard effects to the repeated signal \- Modes: Micro Delay, Pitch Sequence, Pitch Bender, Runaway Dimensions: \- Dimensions (L x W x H): 121.9 x 90.7 x 40.6 mm / 4.8" x 3.57" x 1.6" \- Weight: Not available The Vapor Trail Deluxe offers musicians a versatile and inspiring analog delay pedal with advanced digital control, making it suitable for a wide range of musical styles and applications.


Dirty Deed

The Seymour Duncan Dirty Deed is an analog distortion pedal designed to provide a wide range of edgy distortion tones with a hint of fuzz. It is particularly voiced for hard rock, stoner rock, and classic metal genres. The pedal features a pair of MOSFET transistors that evoke tube-like harmonics and lush sustain, replicating the sound of dangerously pushed amplifiers. The pedal's design includes a small footprint with a dual MOSFET circuit housed in a durable metal case. It offers a simple yet effective interface with controls for level, drive, bass, and treble. The active EQ provides +/-12dB boost or cut for both treble and bass, allowing users to dial in their ideal sound. The Dirty Deed pedal operates on standard 9V to 18V DC power supplies, with the option to use 18 volts for increased saturation and compression. It is designed and assembled in Santa Barbara, California, and features 100% true bypass circuitry for transparent signal when bypassed. The pedal's tone is described as organic and natural, capturing the character and responsiveness of a classic overdriven tube amplifier while incorporating elements of distortion, fuzz, and overdrive into a single wide-range pedal. It is suitable for a variety of playing styles, from classic rock to heavy metal, and offers versatility in shaping the desired distortion and overdrive tones. The Dirty Deed pedal has received positive reviews for its simplicity, tonefulness, and ability to function as both a clean boost and a distortion pedal. It has been praised for its responsive EQ controls and its ability to deliver a range of tones from sparkling overdrive to rich, powerful hard rock distortion. Overall, the Seymour Duncan Dirty Deed is a versatile distortion pedal designed to meet the needs of guitarists seeking a wide range of gritty and dynamic tones for various musical styles.


La Super Rica

The Seymour Duncan La Super Rica Fuzz pedal is a highly adjustable, silicon- based fuzz pedal designed for players who appreciate classic fuzz tones but require versatility in sculpting their own sound. The pedal features a semi- parametric EQ for controlling the midrange and a three-position voicing switch for sculpting the low-end. The following technical specifications have been gathered: \- Type: Distortion/Fuzz effects pedal \- Classic silicon fuzz sounds \- 3 voicing modes (Flat, Lean, Fat) \- Sweepable mid-range \- Low noise circuit \- True bypass \- Controls for Volume, Fuzz, Mid Lvl, and Mid Freq \- 3-way toggle switch for selecting the voicing mode \- Bypass footswitch \- Status LED \- Metal housing \- 6.3 mm mono IN/OUT jacks \- Power supply via 9V battery or optional 9 – 18V DC adapter, 2.1 x 5.5 mm barrel plug, polarity (-) center \- Current draw: 7 mA \- Dimensions: 124 x 66 x 37 mm \- Weight: 360 g


The Fooz by Seymour Duncan is an analog fuzz synthesizer pedal designed to bring the spirit of synth creativity to guitar. It utilizes a heavily saturated square-wave fuzz to transform the guitar into an 'oscillator', ready to be sculpted by other 'blocks', and it also functions as a standalone fuzz tone generator. Key Technical Specifications: \- Input Impedance: 1M Ohms \- Output Impedance: 1K Ohms \- Gain Range: 4dB to 72dB, plus tremolo and filter gain changes \- Noise Referred to Input: <-118dBV, 400Hz to 20kHz \- Power: External 9V regulated DC adapter \- Dimensions: 143 x 127 x 57.2mm \- Weight: 21 oz Features and Functionality: \- Analog fuzz synthesizer pedal for electric guitar \- Synth-like control layout with sections for fuzz, filter, LFO, and envelope \- Offers low pass and band pass filter modes with frequency cutoff and resonance controls \- Tremolo mode with various wave shapes for rhythmic effects \- Tap tempo switch for LFO synchronization \- Expression pedal jack for parameter control \- Deep tone tailoring possibilities with dip switches \- External 9V DC power supply Use Cases: \- Guitarists seeking to explore synth-like creativity and tones \- Musicians looking to expand their sonic palette with unique fuzz and synth- inspired sounds The Fooz pedal offers a wide range of tonal possibilities, making it suitable for creative guitarists and those interested in exploring analog synth- inspired effects.

Overdrive and Boost

Palladium Gain Stage

The Palladium Gain Stage by Seymour Duncan is a versatile effects pedal designed to capture the feel and responsiveness of a high-gain tube amp. It features three gain stages, including an overall saturation control, a resonance control for low-frequency gain shaping, and a boost control that adds overdrive to the beginning of the signal path. This allows for a wide range of tones, from classic rock at lower settings to modern metal at higher gain settings. Technical Specifications: \- Input Impedance: 500k ohms \- Output Impedance: 2.8k ohms \- Gain Range: 42.5db to 71db \- Resonance Gain Range: 41.5db to 66db \- Boost Gain: 25db \- Noise Referred to Input: < -124 dbv, 400 Hz to 20 kHz \- Control Functionality: Bass, Mid Level, Mid Freq, Treble, Presence, Level, Gain, Resonance, Boost Knob, Boost Footswitch \- Tone Control Response: Bass (100Hz center, +/-15db boost/cut), Mid (255Hz to 1100Hz, +/-12db boost/cut), Treble (2.7kHz center, +/-13db boost/cut), Presence (5.2kHz center, +/-11db boost/cut) \- Power: External 9 volt to 18 volt regulated DC adapter (center pin negative) drives internal 24v supply \- Current Consumption: 180mA \- Dimensions: 5.6” x 4.63” x 2.2” tall \- Weight: 16 ounces The Palladium Gain Stage is suitable for use with a power amp or a clean guitar amp to create a high-gain signature sound, or in front of a distorted amp to tighten up the attack for rhythms or increase sustain and saturation for solos. It offers comprehensive EQ control, making it adaptable to various amp setups.

Killing Floor

The Killing Floor by Seymour Duncan is a high gain boost pedal designed to provide up to 34dB of boost, capable of driving any amp into overdrive. The pedal features a hybrid J-FET/Op-Amp circuitry optimized for low order harmonics. It offers a true hard-wire bypass and a single control knob for adjusting the amount of gain. Additionally, the pedal includes a three-way mini toggle switch for boosting treble at 10kHz, cutting upper mids at 4.8kHz, or maintaining a flat tone. The dimensions of the Killing Floor pedal are approximately 2.61” x 4.90” x 1.40”, and it weighs around 0.8lb. The pedal is designed to enhance the natural dynamics and responsiveness of a guitar rig while improving the most musical frequencies and harmonics. It is suitable for providing a significant improvement in a guitar's tone and can be used to create dazzling solo tones that cut through a mix and sound rich and full.

805 Overdrive

The Seymour Duncan 805 Overdrive is a versatile pedal designed to provide a subtle boost, fat crunch, or a searing tone to guitar solos. Its 3-band active EQ allows for precise tone shaping, making it suitable for various music genres including blues, country, rock, and metal. Technical Specifications: \- Dimensions: 2.61" x 4.90" x 1.45" \- Weight: 0.6 lb without battery \- Distortion Circuitry: Glass diode, back-to-back stack \- Bypass: True bypass \- Gain Control Range: 8dB to 36dB \- EQ Center Frequencies: Bass, Mid, Treble Power Requirements: \- Power Source: 9-18V DC power supply (sold separately) \- Batteries: 1 x 9V The 805 Overdrive is designed to push the front end of an already distorted amp, providing ample output and tone-shaping capability. It can also be used to give a controlled boost to clean tones, tighten hard rock/metal tones, or provide a searing boost for solos. This pedal is suitable for use in mono setups and is a true-bypass pedal, making it compatible with various pedalboards.

SFX-04 Twin Tube Mayhem

The Seymour Duncan SFX-04 Twin Tube Mayhem is a high-quality guitar preamp with a built-in boost, designed to deliver a wide range of tones suitable for various musical styles, with a focus on metal. The pedal features a pair of premium, mil-spec, subminiature, USA-made Phillips-Sylvania 62051 pentode tubes, allowing the tubes to operate at their full potential and provide maximum tonal flexibility. Specifications: \- Gain: Before Level Compensation - 97 dB, After Level Compensation - 71 dB (measured at 1 KHz) \- Nominal Output Level: 0.25 Vrms (-10dBu) (measured with 100mV 1 KHz input signal and all controls set to 12 o'clock) \- Max. Output Level before clipping: 5 Vrms (16dBu) (measured with gain set at 50% and all other controls set full up and boost footswitch set to 8dB) \- Input Impedance: 100K ohms \- THD @ 100mV RMS output: 0.5% \- Noise @ Output: 4mV (< 3dB hum content) \- Boost Footswitch Gain: Two selectable boosts, 4dB and 8dB, with no effect on tone, just increased level \- Active Equalization Section: \- Bass Control: 126 Hz, Q = 1.5, Gain = ±12dB \- Midrange Control: 596 Hz / 1389 Hz, Q = 1.5, Gain = ±12dB \- Treble Control: 2.93 KHz, Q = 1.4, Gain = ±12dB \- Power Consumption: 11W The SFX-04 Twin Tube Mayhem is suitable for guitarists seeking a versatile preamp with a powerful distortion and a built-in boost, offering a wide range of tonal shaping capabilities for various musical applications, especially in high-gain and metal genres.

Pickup Booster

The Seymour Duncan Pickup Booster is a true-bypass pedal with a class A, low- noise circuit design, offering a gain range of 0 to 25 dB. It utilizes a fully discrete, Class A type of circuitry and a discrete push-pull output stage for increased drive capability. The pedal is designed to emphasize the natural tone of the guitar while adding muscle and fatness to the sound. The Pickup Booster features a single gain knob that allows for easy adjustment from 6dB to 25dB, providing control over the output and gain without altering the fundamental character of the guitar. Additionally, it includes a three-way resonance switch that interacts directly with the pickups, enabling single coils to emulate either a chunky humbucker sound suitable for classic rock or blues, or a high-output tone for intense solos. When used with humbuckers, the resonance switch offers options for a more aggressive sound or a 'cocked-wah' tone filter vibe ideal for leads. The pedal is also noted for its ability to maintain a clean signal chain, even with the gain knob set to 0dB, effectively acting as a buffer on the pedalboard and ensuring clarity, especially with long cable runs. The Pickup Booster is hand-crafted and assembled at the Seymour Duncan factory in Santa Barbara, California, by the same team responsible for their legendary pickups. It is designed to provide guitarists with the flexibility to dial in the desired tone for various playing situations while preserving the natural character of their instrument.


The Forza by Seymour Duncan is a full-range, highly adjustable, and transparent overdrive pedal designed for players seeking increased gain without sacrificing the natural voice of their guitar. The pedal utilizes a glass diode, back-to-back stack overdrive circuit and features true hard-wire bypass switching. Its control functionality includes a gain control range of 11dB to 37dB, bass adjustment at 90 Hz +/- 11dB, mid adjustment at 750 Hz +/- 11dB, and treble adjustment at 2.1 kHz +/- 12dB. The Forza offers up to 37dB of gain and a three-band EQ for controlling lows, mids, and high-end frequencies. It can also function as a clean boost, with the level control providing ample range. The pedal has an input impedance of 470k Ohms, an output impedance of 1K Ohms, and a maximum output before saturation of 0.6Vrms. It can be powered by a 9V battery or an external 9V to 18V regulated DC adapter (center negative), with a current consumption of 4.5mA. The dimensions of the Forza pedal are 2.61” x 4.90” x 1.45”, and it weighs 0.8lb without a battery. The pedal is hand-crafted in the USA and is designed to deliver a tonally transparent overdrive, suitable for use with a clean channel or an already-overdriven amp.