Hifisonix X-Altra HPA-1 Class A Headphone Amplifier PCB

This compact headphone amplifier operates in class A up to 180mA peak output current and will deliver 1.75W RMS into 32 Ohms in class A.  It remains in class A up to 13V pk-pk into 32 Ohms (which is 5.2W peak class A power) after which it will transition to class AB up to 34V […]

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