Dimension Chorus

An effect developed by Roland and used in the Roland Dimension D chorus, in 1979, and later, in 1985, the effect was made available in the compact BOSS DC-2 Dimension C chorus pedal. Dimension chorus is a unique, lush, “three-dimensional” sounding chorus effect. It used the same bucket brigade device circuits that were popular, but it used two delay lines that were modulated 180-degrees out of phase with each other, which created a “motionless” chorus, opposed to the feeling of motion common among the ensemble chorus effects of the day. It also used a pair of companders to keep the BBDs extremely quiet and noise free. The dimension chorus effect is one of the most emulated modulation effects today.