Since its release in 1981, the workhorse SD-1 Super Overdrive has been the core gain pedal for generations of players across every musical genre. Based around the revolutionary asymmetrical clipping circuit from the OD-1 Overdriveone of the three original BOSS compact pedals from 1977the SD-1 delivers rich, smooth, and highly musical overdrive tones that continue to inspire guitarists everywhere.
The Clipping Circuit That Defined Overdrive
In 1977, BOSS created an entirely new stompbox category with the OD-1, bringing natural overdrive in pedal form to guitarists for the very first time. Producing a signal rich in even-order harmonics, its unique asymmetric clipping circuit replicated the pleasing sound and feel of a driven tube ampbut at controllable volume levels. Four years later, this breakthrough design evolved into the more versatile SD-1, which added an active tone control for shaping the treble response and subtle enhancements for more low-end body.
The SD-1 allows players from beginner to pro to get inspiring sounds right away, thanks to its natural behavior and the subtle mid boost that’s part of its design. It gives your tone a push where it matters most, ensuring your guitar always sits perfectly in the mix with warmth, clarity, and rich presence. Lower drive settings are great for rhythm parts, while higher settings are ideal for fat, singing leads. The SD-1 is also very sensitive to input gain, letting you dial in different shades of overdrive simply by adjusting your guitar’s volume control.
The One Pedal Every Player Needs
With its organic character and responsive drive and tone controls, the SD-1 delivers the right sound for just about any style of music. Kick on the pedal with your favorite clean or slightly driven amp for mild-to-moderate overdrive thats ideal for everything from classic rock and gritty blues to pop, country, jazz, and beyond. The SD-1 also shines as a booster for high-gain amps and other drive pedals, providing mid focus, tight bass, and smooth top end that’s perfectly suited for heavier sounds and solo playing.
Limited Edition 40th Anniversary SD-1 Super Overdrive
To celebrate 40 years of continuous SD-1 production, we’ve created a limited edition version that’s available throughout 2021. This commemorative pedal features a black body with yellow lettering, gold-capped knobs, and a vintage silver thumbscrew for the battery compartment and comes in a box with a special 40th Anniversary logo.
- Genre-defining BOSS overdrive sound
- Unique asymmetrical clipping circuit produces tube-like overdrive characteristics
- Mild-to-moderate drive tones with focused midrange and tight low end
- Ideal for use with clean and slightly driven amps
- Also works great for bringing tightness and definition to high-gain amp tones
- Stacks well with boost, overdrive, and distortion pedals
- BOSS five-year warranty
Willis Music Company has been serving the local community since 1899 and the online community since 2010. With our rich history, we have always had a focus on music education. From our internationally known educational piano catalog to one of the top retail music chains in America the focus on education has always remained. In 2005, Willis partnered with the Hal Leonard Corporation who now handles product development, production, and distribution for the Willis catalog in the America’s and beyond. With the 2013 acquisition of Moeller Music, Willis strengthened its commitment and dedication to school music programs in all markets. At the same time, Willis began representing the renowned Yamaha Band and Orchestra line of instruments. As a family-run company, all of us at Willis are tremendously proud of the legacy that began with Charles H. Willis so many years ago and continues through the Cranley Family today and we are committed to continuing with the same dedication for years to come. Our mission is to be the epitome of forte in your musical life. We strive to focus on people, offer the highest value in quality products and services, reach potential through empowerment, tradition of integrity, and enrich lives by encouraging music participation. Thank you for your trust in Willis Music Company and we will always strive to be your trusted music company.