BOSS DD-20 Manual: Article Plan
This detailed plan outlines a comprehensive guide for the BOSS DD-20 digital delay pedal, covering everything from initial setup to advanced features and troubleshooting.
It will delve into the pedal’s history, specifications, and its place within the broader BOSS product line, offering users a complete resource for mastering this versatile effect.
The manual’s structure will systematically explore each aspect of the DD-20, ensuring clarity and ease of understanding for both novice and experienced guitarists.
Welcome to the definitive guide for the BOSS DD-20 Giga Delay pedal! This manual aims to empower you with the knowledge to fully unlock the potential of this incredibly versatile and powerful effects unit. The DD-20 represents a significant leap forward in digital delay technology, offering an expansive palette of sounds, from pristine digital repeats to warm, characterful analog and tape emulations.
Whether you’re a seasoned professional or just beginning your exploration of delay effects, this resource will provide clear, concise instructions and insightful explanations. We’ll navigate through the pedal’s intuitive interface, explore its diverse delay modes, and delve into the nuances of its extensive parameter controls.
This guide draws upon official documentation, user feedback, and practical experience to deliver a comprehensive understanding of the DD-20. Prepare to embark on a journey of sonic discovery!
What is the BOSS DD-20?
The BOSS DD-20 Giga Delay is a professional-grade digital delay pedal renowned for its exceptional sound quality and extensive feature set. Released as a flagship delay offering, it builds upon BOSS’s decades-long legacy of innovative effects pedals. It’s designed to cater to a wide range of musicians, from guitarists and bassists to keyboardists and vocalists, seeking studio-quality delay effects in a compact, road-ready format.
At its core, the DD-20 boasts a 24-bit A/D and D/A conversion, ensuring pristine audio fidelity and a wide dynamic range. It offers twelve distinct delay modes, encompassing everything from standard digital delays to emulations of classic analog and tape echo units.
Furthermore, the DD-20 provides extensive control over delay parameters, allowing for precise shaping of your sound, alongside robust preset management and external control capabilities via the optional FS-5U footswitch.
Key Features of the DD-20
The BOSS DD-20 distinguishes itself through a remarkable array of features designed for sonic versatility and creative expression. Its twelve delay modes – Standard, Tape, Analog, Reverse, and more – provide a vast palette of delay textures. A key highlight is its extended delay time, capable of up to 800 milliseconds, offering spacious and atmospheric soundscapes.
The pedal also incorporates advanced features like modulation control, allowing users to add subtle or dramatic movement to their delays. Its 24-bit A/D/D/A conversion ensures high-fidelity audio, while the intuitive interface facilitates easy parameter adjustments.
Furthermore, the DD-20 offers 99 user-writable presets, enabling quick recall of customized delay settings. External control via the FS-5U footswitch expands its functionality, and it supports firmware updates for continued enhancements.

Understanding the Control Panel
The BOSS DD-20’s control panel is logically laid out, offering intuitive access to its extensive features. Dominating the top panel are the Time, Feedback, and Level knobs, essential for shaping the core delay parameters. A Manual button allows for hands-on delay time control, while the Tap Tempo footswitch enables rhythmic synchronization.
Mode and Sub-mode selectors grant access to the twelve distinct delay algorithms, each offering unique sonic characteristics. Dedicated buttons for Preset selection, Memory storage, and Undo/Redo streamline workflow. An Input Level control optimizes signal gain, and an Output Level adjusts the overall volume.
The rear panel houses input and output jacks, an AC adapter input, and connections for the optional FS-5U footswitch. Understanding these controls is crucial for unlocking the DD-20’s full potential.
Powering Up and Basic Connections

To begin, connect the BOSS DD-20 to a power source using the recommended PSA-100 AC adapter. Avoid using other adapters, as they may cause malfunction. Plug the adapter into the DC IN jack on the rear panel. Ensure the voltage matches your local power supply.
Next, connect your instrument (guitar or bass) to the INPUT jack using a standard ¼-inch instrument cable. Connect the OUTPUT jack to your amplifier or the next pedal in your signal chain. For optimal signal flow, use high-quality cables.
Press the power switch to turn the DD-20 on. The pedal will initialize, and the display will illuminate. Basic operation is now ready; experiment with the Time, Feedback, and Level knobs to create your first delay sounds.
Delay Modes Explained
The BOSS DD-20 boasts a diverse range of delay modes, each offering unique sonic characteristics. These modes cater to various musical styles and creative needs. The Standard mode provides clean, digital delays, ideal for precise repeats and rhythmic textures.
Tape Delay emulates the warm, saturated sound of vintage tape echo units, introducing subtle imperfections and modulation for a more organic feel. Analog mode recreates the rich, dark tones of classic analog delay pedals, offering a darker, more lo-fi sound;
Beyond these core modes, the DD-20 includes specialized algorithms like Reverse, Modulation, and Complex delays, expanding its sonic palette. Experimenting with each mode is key to unlocking the full potential of this versatile pedal.
Standard Delay Mode
The Standard Delay mode on the BOSS DD-20 is the foundation for pristine, digital echoes. It delivers clear and precise repeats, making it exceptionally versatile for a wide range of musical applications. This mode excels in situations where a clean, unaltered delay sound is desired, such as rhythmic patterns or subtle ambient textures.
Within Standard mode, the Time, Feedback, and Level controls allow for extensive shaping of the delay effect. Users can adjust the delay time from short slapback echoes to long, cascading repeats. The Feedback control determines the number of repeats, while Level adjusts the overall volume of the delayed signal.
It’s an excellent starting point for exploring the DD-20’s capabilities, offering a transparent and reliable delay sound that can be further customized with other parameters and effects.
Tape Delay Mode
The Tape Delay mode on the BOSS DD-20 authentically emulates the warm, saturated character of vintage tape echo units. It introduces subtle imperfections and fluctuations, replicating the unique sonic qualities of analog tape recording. This mode is ideal for adding a vintage vibe to your sound, creating organic and evolving delay textures.
Unlike the pristine clarity of Standard mode, Tape Delay introduces a degree of noise and modulation, simulating the inherent limitations of tape technology. Parameters like Wow & Flutter can be adjusted to control the amount of tape-like instability, adding character and movement to the repeats.
This mode excels at creating atmospheric soundscapes and adding a touch of nostalgia to your playing, offering a distinctly different delay experience compared to digital precision.
Analog Delay Mode
The Analog Delay mode on the BOSS DD-20 meticulously recreates the rich, warm tones of classic analog delay pedals. It utilizes advanced modeling to capture the subtle nuances and organic character of bucket-brigade device (BBD) delays, offering a distinctly vintage sound.
This mode introduces a natural warmth and slight degradation of the signal with each repeat, unlike the clean, pristine repeats of digital delays. The DD-20’s Analog mode allows you to dial in everything from subtle slapback echoes to long, cascading repeats with a distinctly analog feel.
Parameters within this mode allow for control over the modulation and tone, further shaping the analog character. It’s perfect for adding depth, warmth, and a touch of vintage grit to your guitar signal.

Parameter Adjustments
The BOSS DD-20 offers extensive control over its delay effects through a series of intuitive parameters. Precise adjustments allow users to sculpt sounds ranging from subtle ambience to dramatic, textured repeats. Understanding these controls is crucial for unlocking the pedal’s full potential.
Key parameters include Time, Feedback, and Level, each influencing the delay’s character significantly. The Time knob dictates the delay duration, while Feedback controls the number of repeats. Level adjusts the volume of the delayed signal relative to the dry signal.

Further shaping is possible via the Tone control, influencing the brightness or darkness of the repeats. Modulation parameters add movement and depth, and the Manual control offers precise delay time adjustments. Experimentation with these parameters is encouraged to discover unique sonic textures.
Time Knob and Range
The Time knob on the BOSS DD-20 is central to defining the delay’s rhythmic feel and overall character. It governs the interval between the original signal and its subsequent repeats, effectively setting the delay time.
The DD-20 boasts an exceptionally wide delay time range, spanning from 10 milliseconds to a substantial 800 milliseconds. This versatility accommodates everything from short, slapback echoes to long, atmospheric delays. The range is clearly indicated on the pedal’s panel.
Precise adjustments are possible, allowing for subtle rhythmic nuances or dramatic, spacious effects. The Manual mode further enhances control, enabling fine-tuning of the delay time beyond the knob’s physical range. Experimentation with the Time knob is key to discovering the DD-20’s sonic breadth.
Feedback Control
The Feedback control on the BOSS DD-20 dictates the number of repeats generated after the initial delayed signal. It essentially determines how many times the delayed sound is recirculated through the delay circuit, influencing the decay and intensity of the effect.
Turning the Feedback knob clockwise increases the number of repeats, creating a more pronounced and sustained delay. At lower settings, the repeats are subtle and quickly fade away, while higher settings produce cascading, self-oscillating effects.
Careful adjustment of the Feedback control is crucial for achieving the desired level of ambience or rhythmic complexity. Excessive feedback can lead to runaway oscillations, while insufficient feedback may result in a weak or indistinct delay. Experimentation is encouraged to explore the full range of sonic possibilities.
Level Adjustment
The Level knob on the BOSS DD-20 controls the output volume of the delayed signal, independent of the direct (unaffected) signal. This allows for precise blending of the dry and wet sounds, shaping the overall tonal balance and presence of the effect.
Increasing the Level clockwise raises the volume of the delayed repeats, making them more prominent in the mix. Lower settings result in a more subtle delay, blending seamlessly with the original signal. Careful adjustment prevents the delay from overpowering the dry signal.
Proper Level adjustment is essential for achieving a natural and balanced sound. It’s crucial to consider the input signal strength and the desired intensity of the delay effect. Experimentation will reveal the optimal setting for various playing styles and musical contexts.
Using the Manual Mode
The BOSS DD-20’s Manual mode provides direct, hands-on control over the delay time, bypassing the tap tempo functionality and allowing for real-time adjustments via the Time knob. This is ideal for creating dynamic delay effects during performance, subtly shifting the delay time for expressive textures.
In Manual mode, the Time knob becomes the primary tool for shaping the delay, offering a wide range of settings from short slapback echoes to long, ambient repeats. The responsiveness of the knob allows for precise and nuanced control.
This mode is particularly useful for players who prefer a tactile approach to delay manipulation, or for situations where tap tempo isn’t practical. It offers a direct connection between the player’s hand and the sound, fostering creativity and improvisation.
Tap Tempo Functionality

The BOSS DD-20 features a highly responsive tap tempo function, enabling users to quickly and accurately set the delay time to match the tempo of a song. This is achieved by pressing the TAP button in time with the desired beat, instantly synchronizing the delay to the music.
The tap tempo can be used in conjunction with the Manual mode, allowing for dynamic tempo changes during performance. Tapping the button while adjusting the Time knob creates evolving delay patterns that respond to the music in real-time.

Furthermore, the DD-20 retains the last tapped tempo even after power cycling, ensuring that your preferred delay settings are readily available. This feature streamlines live performance and simplifies setup for consistent sound.
Memory and Preset Management
The BOSS DD-20 boasts extensive memory capabilities, allowing users to store up to 99 custom presets. These presets capture all delay settings, including delay mode, time, feedback, level, and any other parameter adjustments, for instant recall.
Preset storage and recall are managed through a straightforward interface, utilizing the PANEL button and number keys. Users can easily save their favorite delay sounds and access them quickly during live performances or studio sessions.
The DD-20 also supports preset naming, enabling users to label their presets for easy identification. This feature is particularly useful for complex setups or when managing a large library of delay sounds. Seamless preset switching enhances workflow and creative expression.
External Control (FS-5U)
The BOSS DD-20 offers expanded control options through the optional FS-5U footswitch. This allows for hands-free preset switching, tap tempo functionality, and even control over additional parameters, enhancing performance versatility.
Connecting the FS-5U to the DD-20 is simple, utilizing a standard 1/4-inch cable. Once connected, the FS-5U can be configured to perform various functions, such as switching between presets, toggling the delay effect on/off, or controlling feedback levels.
Customization of FS-5U assignments is done through the DD-20’s menu system, providing users with a tailored control experience. The FS-5U significantly streamlines live performance, allowing guitarists to focus on playing without interrupting their flow.

Firmware Updates and Software
BOSS regularly releases firmware updates for the DD-20, enhancing its functionality, addressing bugs, and potentially adding new features. Keeping your DD-20 updated ensures optimal performance and access to the latest improvements.
Firmware updates are typically applied via a USB connection to a computer, utilizing the BOSS Librarian software. This software, available for download from the BOSS website, facilitates the update process and allows for preset backup and management.
Before initiating an update, it’s crucial to carefully follow the instructions provided by BOSS, ensuring a stable connection and preventing potential issues. Regularly checking the BOSS support website for updates is recommended to maintain your DD-20’s peak operational condition.

Troubleshooting Common Issues
Encountering issues with your DD-20? Here’s a guide to resolving common problems; No sound output often stems from incorrect cable connections, low output volume settings, or a faulty power supply – verify each element. Unexpected delay behavior, like erratic repeats or distorted sounds, could indicate excessive feedback, improper time settings, or a software glitch.
Try resetting the pedal to factory defaults as a first step. If problems persist, ensure the DD-20 is receiving adequate power from a reliable source (PSA-100 adapter recommended). Consult the BOSS support website for detailed troubleshooting guides and FAQs.
For more complex issues, consider contacting BOSS customer support for assistance. A service manual is available, but repairs should ideally be performed by qualified technicians.
No Sound Output
Experiencing silence from your DD-20? Several factors could be at play. First, meticulously check all cable connections – input, output, and power. Ensure they are securely plugged in and undamaged. Next, verify the output volume knob on the DD-20 isn’t set to minimum. Confirm your amplifier’s input channel is active and the volume is appropriately adjusted.
A faulty power supply is another common culprit. Try a different, known-good power adapter (PSA-100 recommended by BOSS). Inspect the DC-in jack for any physical damage. If using batteries, ensure they are fresh and correctly installed. Finally, test the DD-20 with a different instrument cable to rule out a cable issue.
Unexpected Delay Behavior

Is your DD-20 producing strange echoes or glitches? Begin by examining the ‘Feedback’ control; excessive feedback can cause self-oscillation and unpredictable sounds. Reduce the feedback level to a more moderate setting. Next, investigate the ‘Time’ knob – ensure it’s within the intended range and not set to extreme values.
Check for unwanted modulation if using a modulated delay mode. Experiment with the ‘Manual’ mode to isolate the delay effect and identify if the issue persists; Consider a factory reset (refer to the manual for instructions) to restore default settings. If the problem continues, a firmware update might resolve potential software bugs.
Understanding the Specifications
The BOSS DD-20 boasts a 24-bit A/D and D/A conversion, delivering a wide dynamic range and pristine audio quality. Its frequency response spans 20Hz – 20kHz, ensuring faithful reproduction of your guitar’s signal. The input impedance is 1MΩ, and the output impedance is 1kΩ, providing compatibility with most instruments and amplifiers.
The DD-20 supports a maximum delay time of 800 milliseconds, offering versatile delay options. It operates on 6V DC (AC adapter recommended – PSA-100) with a current draw of 85mA. The pedal’s dimensions are 73mm x 129mm x 59mm and it weighs approximately 360g. Understanding these specifications aids in optimizing the DD-20 within your rig.
Power Supply and Adapter Information (PSA-100)
The BOSS DD-20 is designed to operate with a 6V DC power supply. While it can function with batteries, consistent performance and reliability are best achieved using the BOSS PSA-100 AC adapter. This adapter provides a stable and regulated power source, preventing unwanted noise or operational issues.
The PSA-100 features a standard 2.1mm DC plug with a center-negative polarity, crucial for proper operation. Using an incompatible adapter could damage the pedal. The adapter’s input voltage range is AC 100V – 240V, making it suitable for worldwide use. Always ensure the adapter is securely connected to both the DD-20 and a grounded power outlet for safe and optimal performance.
Service Manual Availability
Obtaining a service manual for the BOSS DD-20 can be challenging, as BOSS typically restricts access to these documents to authorized service technicians. However, resources exist online where users may locate a DD-20 service manual, often in PDF format. These sources may include dedicated music equipment repair forums and archive websites.
It’s important to exercise caution when downloading files from unofficial sources, ensuring they are free from malware. The service manual contains detailed schematics, component layouts, and troubleshooting procedures intended for qualified technicians. Attempting complex repairs without proper training and tools can void the warranty and potentially cause further damage. If you require professional repair, contact BOSS customer support or an authorized service center.
Historical Context: BOSS and Hugo Boss
The connection between BOSS and Hugo Boss is often a source of confusion, stemming from the shared “BOSS” name. However, the two companies have distinct origins and operate in separate industries. Hugo Boss, founded in 1924, is a German fashion house renowned for its high-end clothing and tailoring, initially producing uniforms. BOSS, as a musical instrument brand, emerged much later, as part of Roland Corporation.
Roland, established in 1973, created the BOSS division to offer affordable and robust effects pedals. The name “BOSS” was chosen to convey a sense of leadership and quality within the music gear market. While Hugo Boss’s early work involved uniform production, emphasizing precision, BOSS focused on innovative and durable effects for musicians. The similarity in names is purely coincidental, despite both brands representing quality and style in their respective fields.
BOSS DD-20 in the Broader BOSS Product Line
The BOSS DD-20 Giga Delay occupies a significant position within BOSS’s extensive range of delay pedals, representing a premium offering with advanced features and expanded capabilities. It builds upon the legacy of iconic BOSS delays like the DD-3 and DD-7, but introduces a wider palette of sounds and greater control. BOSS consistently delivers reliable and innovative effects, and the DD-20 exemplifies this commitment.
Compared to simpler BOSS delays, the DD-20 provides more delay modes, extensive parameter adjustments, and memory for storing custom presets. It caters to professional musicians seeking versatility and sonic depth; BOSS’s product line spans from basic, single-function pedals to complex multi-effects units, with the DD-20 positioned as a flagship delay option, showcasing the brand’s technological prowess and dedication to quality sound.
Comparison with Other Delay Pedals
The BOSS DD-20 distinguishes itself from competitors like Strymon, Eventide, and MXR through its unique blend of digital fidelity and intuitive BOSS controls. While Strymon offers extensive modeling and complex algorithms, the DD-20 prioritizes ease of use alongside its powerful features. Eventide pedals often excel in modulation and experimental effects, but the DD-20 focuses specifically on delivering a diverse range of high-quality delay sounds.
Compared to MXR’s Carbon Copy analog delay, the DD-20 provides a broader sonic palette, including tape and standard digital modes. The DD-20’s memory and preset capabilities surpass many competing pedals, offering greater flexibility for live performance and studio recording. Ultimately, the DD-20 strikes a balance between sonic versatility, user-friendliness, and BOSS’s renowned build quality, making it a compelling choice for discerning guitarists.
Where to Find Additional Support and Resources
For comprehensive support, begin with the official BOSS website (www.boss.info), which hosts downloadable manuals, firmware updates, and a detailed FAQ section specifically for the DD-20. The BOSS support team can be contacted directly through the website for personalized assistance with any technical issues.
Numerous online forums and communities, such as those on Reddit (r/guitarpedals) and Gearspace, offer valuable user experiences and troubleshooting tips. YouTube is a rich source of video tutorials and demonstrations, showcasing the DD-20’s capabilities and providing practical guidance. ManualsLib (www.manualslib.com) also provides access to the DD-20’s service manual and owner’s manual in PDF format. Finally, authorized BOSS dealers can offer expert advice and support, ensuring you get the most out of your pedal.
The BOSS DD-20 stands as a testament to BOSS’s enduring commitment to quality and innovation in the realm of guitar effects. This manual has aimed to provide a thorough understanding of its features, functionality, and potential. From its versatile delay modes to its intuitive control panel and robust build quality, the DD-20 offers a powerful and inspiring tool for guitarists of all levels.
Whether you’re crafting subtle ambient textures or creating dramatic, rhythmic echoes, the DD-20’s capabilities are extensive. Regularly checking for firmware updates and utilizing the available online resources will ensure you continue to unlock its full potential. Ultimately, the DD-20 is more than just a delay pedal; it’s a creative partner, ready to elevate your sound and inspire your musical journey.