DR Strings PB6-30 (Medium 6's) - PURE BLUES -Quantum-Nickel: 30, 45, 65, 85, 105, 125 steve-vai-signature Mackie Big Knob Studio+ delivers

Mackie Big Knob Studio+ delivers a modernized

Head shell (with cartridge)

45 and 78 RPM records

​Live or in the studio

32×32 USB audio interface

DR Strings PB6-30 (Medium 6's) - PURE BLUES -Quantum-Nickel: 30, 45, 65, 85, 105, 125 steve-vai-signature Mackie Big Knob Studio+ deliversDR Pure Blues bass strings combine the warm tone of pure nickel with the brightness and edge of stainless steel for a rich and tonally balanced string that is perfect for players who demand versatility. Whether you play fingerstyle, with a pick, or slap, your bass will come alive with a full bottom, colorful mids, and bright articulate highs.