The L94 headphone amp: a green circuit board in an open aluminium case, held in a hand
EAGLE PCB layout of the amplifier board
L94 Headphone Amp
2021

Low noise, high current opamp based headphone amplifier.
Powered by a true split supply. Custom PCB.

EAGLE board layout, schematic, and libraries available for creative commons use.
The pcb layout features "star grounding" to reduce noise caused by ground loops.