The Well Lit Headphone Amplifier

Vacuum tube headphone amplifier

The TWLHA is a vacuum tube amplifier suitable to drive headphones with impedance between 32 and 600 ohm.


Amplifier type: common cathode triode with output transformer

Output impedance: 32/150/600 ohm

Board size: 254mm x 197mm

Power supply: vacuum tube rectifier and LC filter

Board options: bare board only

Schematic and download

TWHLA full schematic