Try out the Pecanpi DAC for raspberry Pi

Building Discrete R2R DAC Hat - Part 2

Building Discrete R-2R DAC Hat - Part-1

Moode Audio VS Volumio VS Symphonic-Mpd J-test

3 hours of Burn-in tone/noise

MoOde audio version 3.8.4 VS 6.4 sound quality comparison

DIY R2R NOS AD1865 DAC for Raspberry Pi - NOSPi DAC

Repair Pathos Logos Amplifier

Building 832A tube amplifier Pt1. Casing, Transformers and sockets installation

Don't buy cheap power supply !

How to make a pair of high quality RCA interconnect cable @ $12

Fake interstage transformer ??!!

Hand winding custom output transformer

Measurement of my DIY 2A3 with hand wound output transformer

Vintage Sansui AU-101 amplifier re-cap

How's the sound quality? Vocal test 70's Akai SW35

How's the sound quality? 70's Akai SW35 test

DIY discrete R2R DAC

DIY 2A3 SE amplifier with 6E6P driver

DIY First Watt ACA class A amp with toroidal transformer

Yet another Raspberry Pi music player

Antique hand crank bench drill

Building my Raspberry pi Zero with Moode Audio Player