Seymour Duncan SH-4 JB Jeff Beck Model Humbucker Tuba & Sousaphone Mouthpieces Vacuum tube triode signal path

Vacuum tube triode signal path

acoustic guitar

This device adds a preset amount of gain

5W and MIDI switching and a series effects loop make this the ultimate pro's combo

The added cost made them markedly more expensive at the time than the Neumann GmbH and AKG Acoustics GmbH products

Seymour Duncan SH-4 JB Jeff Beck Model Humbucker Tuba & Sousaphone Mouthpieces Vacuum tube triode signal pathThe Seymour Duncan SH 4 JB Humbucker uses a completely balanced coil configuration to produce great harmonics and a high output with just the right blend of sustain and distortion. With the Seymour Duncan Humbucker you get the best of both worlds: from sweet warm tones to raw rock and roll.