Cornerstone Colosseum Black LTD

Introducing the groundbreaking Colosseum, Cornerstone’s very first Community pedal. This dual-overdrive pedal was carefully designed in collaboration with their loyal fans and the Cornerstone community, combining the best elements of the Blues Breaker and Klon circuits. The Colosseum features an improved Blues Breaker side without clipping diodes, a signature Clean control, and excellent touch sensitivity. On the Klon side, discover the legendary sound with a twist: germanium diodes, hand-selected silicon diodes, and the innovative “clip blender.” With versatile connectivity options and a toggle switch for seamless channel switching, the Colosseum is a must-have for any discerning guitarist. Rediscover classic overdrive pedals and explore new sonic possibilities with the Colosseum.

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So what exactly is it?

It’s a dual overdrive pedal, based on my interpretation of the Blues Breaker and Klon circuits. Although I used the original pedals to have an accurate tonal reference (even an original Klon), the end result of the Colosseum is a unique pedal.

Blues Breaker taken to the next level

On the BB side, there are no clipping diodes: forget the usual “problems” that plague a classic BB, such as low volume and a dark tone. By removing the clipping diodes, these issues have been resolved. I’ve also added our “signature” Clean control from the Gladio, to layer the clean sound over the overdrive signal for greater tonal versatility.

The Klon side has remained virtually the same, except for one important detail: the clip blender. We all know that the Klon has built quite a reputation thanks to two “mythical” 1N34A germanium diodes. We still use them, measure each one individually, and select those with the correct forward voltage—but… with the addition of a few hand-selected silicon diodes. This blend function gives you a wide range of sonic flexibility, putting an entirely new version of the Klon at your fingertips, while still allowing you to take advantage of the original’s sound.

A small toggle switch lets you easily swap the order of the two channels, resulting in countless sound variations! On the back, you’ll find 4 jacks to connect each side of the pedal to your favorite looper. You can use the sides separately or place another pedal between them.