Headphone Amplifier – DIY

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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!

 

 

 

 

 

 

 

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