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New Hi-end headphone amplifier

23:01 | 12/01/2018

INTRODUCTION In these years there was many interest about my SESS Tube Headphone Amplifier published...

HQ reference DAC ES9018S - USB PCM / DSD DAC - version 2

14:01 | 12/01/2018

August 2013 - now > new group open to buy kit or assembled

R2R Shunt Volume with 3 selectable sources

14:01 | 12/01/2018

INTRODUCTION There are many methods to implement a volume control on audio system:

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