It took quite a while but here it is: The headphone amplifier circuit for almost every need.
These are available:
- HiFi headphone amplifier with stereo simulation.
- Miniature headphone extension board (add a headphone out to an existing design)
- The mini headphone board that fits into a 1590A enclosure INCLUDING battery !
HiFi headphone amp with stereo simulation.
Demo of the Stereo Simulation:
Mini extension board for existing circuits.
Super Mini board that fits a 1590 A enclosure inc. battery!