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  • Boss Boss SD-1-4A 40th Anniversary Super Overdrive

Boss SD-1-4A 40th Anniversary Super Overdrive

Article number: SD-14A
$64.99
Excl. tax

Back in 1981, BOSS unveiled their workhorse SD-1 Super Overdrive, a core gain pedal that has been subsequently wielded by generations of players across genres.

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Back in 1981, BOSS unveiled their workhorse SD-1 Super Overdrive, a core gain pedal that has been subsequently wielded by generations of players across genres. The BOSS 40th Anniversary SD-1 Super Overdrive celebrates four decades of this classic stompbox, vaunting the same asymmetrical clipping circuit, along with a head-turning reverse color scheme that will stand out on even the most crowded pedalboard. The SD-1 has long been renowned for its mid-focused tone and natural tubelike overdrive characteristics. It's ideal for warming up or adding grit to a clean or edge-of-breakup tube amplifier, and it's a great way to add tightness and definition to a high-gain setup. It also makes a stellar lead boost and stacks well with other dirt pedals. If you're searching for a drive stomp with a rich, harmonic-infused tone, join the legions of satisfied guitarists who build their sound around the SD-1. Grab the BOSS 40th Anniversary SD-1 Super Overdrive today!

Asymmetrical clipping: the secret to the SD-1's one-of-a-kind sound

Unlike the symmetrical clipping employed by its green Japanese-made competitor, the BOSS SD-1 makes use of asymmetrical clipping. The difference is subtle yet significant. Symmetrical clipping generates odd harmonics for a round, compressed, smooth-sounding tone. Asymmetrical clipping produces both even and odd harmonics, yielding a deeper, clearer, more textured sound. Asymmetrical clipping tends to sound louder as well.

BOSS 40th Anniversary SD-1 Super Overdrive Pedal Features:

  • 40th-anniversary edition of BOSS's popular overdrive pedal
  • Asymmetrical clipping circuit provides a harmonic-rich sound with a tubelike feel
  • Ideal for warming up or adding grit to a clean or edge-of-breakup tube amplifier
  • A great way to add tightness and definition to a high-gain setup
  • Makes a stellar lead boost and stacks well with other dirt pedals
  • Straightforward 3-knob control layout
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