Portable Headphone Amplifier based on Meier Audio's Balanced Ground topology.
Meier Audio Concerto
Take the design of the SYMPHONY, remove the DAC section, add a few small improvements to the...
Single Ended Triode Class A1 operation headphone amp with a tube rectified high current power...
Balanced Headphone Amplifier 2 x single ended normal headphone outputs) Cross Feedback Balanced...
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