BBM Hardware

Hardware for a guitar amp based off a classic that was all about the bass, man!

Topology

• single channel
• 2-triode preamp with bass/treble/volume
• 6L6-based power amp
• solid-state rectifier

Build Overview

• PCB build
• hard-wired heaters for tubes
• headers from PCB to chassis-mounted components
• carbon comp signal resistors
• metal-film power resistors
• front and rear panels made of PCB ala synth modules
  • symbols instead of labels ala Orange (treble clef, bass clef, etc.)

Tonestack Curves

The following images were created using Duncan’s Tonestack Calculator.