Darkglass Electronics Microtubes B7K OD/Preamp (V2) Jack Spira Guitars By using longer Alnico 5

By using longer Alnico 5 pole pieces to obtain a stronger magnetic field

a vibration-suppressing cabinet design

and detailed settings are available via a wide range of parameters for each pad

6 pieces) Plastic case

Darkglass Electronics Microtubes B7K OD/Preamp (V2) Jack Spira Guitars By using longer Alnico 5The latest version of the B7K, "B7K V2," which allows you to select the mid frequency, is now available! An analog preamp for bass that produces a wide variety of sounds. It utilizes the powerful and dynamic saturation circuit of the B3K overdrive, adds a powerful 4 band equalizer, and is equipped with a balanced line driver output for unparalleled usability. It takes all your bass sounds to the next level, whether in the studio or live. control