Roland BC TC-EJ Eric Johnson Tone capsule From Roland

Eric Johnson modification circuit for the Roland Blues Cube amplifier

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Manufacturer's Description from Roland

The Tone Capsule is a modification circuit unit that changes the tube circuit characteristic of the original Blues Cube and attaches under the amp chassis. Once connected, the circuit modification on the Tone Capsule changes the tuning of the amp giving you Eric Johnson's remarkable tones and responses.

About Manufacturer

Roland Corporation is a leading manufacturer and distributor of electronic musical instruments, including keyboards and synthesizers, guitar products, electronic percussion, digital recording equipment, amplifiers, and audio processing devices. With over 40 years of innovation that continues to shape the sound of modern music, Roland sets the standards in music technology for the world to follow.