CJ Retro, spruce top, mahogany f/e, mahogany neck, Graphtech frets, Fishman VTB EQ, Fishman Neo-D pickup, matte black The wide jumbo body of the CJ series offers a huge sound, unmatched dynamics and volume, but also a classic look drawn by its graceful curves. The CJ Series also features a cut-out panel for easy access to the treble and Fishman electronics that perfectly amplify its open sound character.