Posts filed under: DIY Audio

I2S to AD1865 LSBJ Converter

Finally, I finish assembling my AD1865 PCB which converts standard I2S to AD1865 LSBJ format. This idea comes from pavouk, which provides the schematic then later I follow to design...... Read More

Human-Based Winding Machine

I need to build small chokes for my AD1865 DAC. After some calculation, it comes to specific wire length, turns, and layers. In order to maintain the stiffness of the...... Read More

Measuring DIY Choke with L/C Meter

My cheap L/C Meter has arrived. With this new tool, I can play and explore more, especially things related with inductance, like Choke or Inductor. Although this is not the...... Read More

[Video] High Power Triode Tube Amplifier Competition

Enjoy this! 🙂 Available in a “quite high res”, 640×480 pixels. HD will take too long for me to process and upload 😉... Read More

High Power Triode Tube Amplifier Competition

Last week, we have a nice blind test (or better we call as blind scoring) for high power triode Single Ended amplifier. The high power triode means a high voltage...... Read More

DIY Power Inductor

I need some small inductor for my DAC power supply section, but finding appropriate one is not an easy job. I have found several ready to use inductor, but whether...... Read More

AD1865 I2S Input PCB

There are not many options to go with NOS DAC. One is TDA 1541, and the other is AD1865. Some says, the TDA is better (at least the S1), meanwhile...... Read More

AZ1 Comparison: Philips vs Valvo vs Telefunken

I dig some of my collection and find some AZ1 tubes. Basically, I have several tubes, but short word, they are separated into 3 brands, Philips Miniwatt AZ1, Valvo AZ1,...... Read More

G2504 / RGN2504 Black Mesh

I would rather call this as “beauty in the dark”… No longer perfect in terms of construction, slightly off-center for the mesh and triangle, since probably over 70 years old...... Read More

P-Socket to Octal Socket Converter

When I clean up some of my collections today, I accidentally find some tubes which I rarely (or probably never) use. Actually I have some bad habits, collecting “junks”. Not...... Read More

IHEAC Tube Pre-Amp Blind Test Session

Indonesia High End Audio Club or in short, IHEAC, held an blind test (or maybe I would prefer to call them as blind scoring) for tube pre-amp. The session was ...... Read More

DAC Supply Decoupling

We’ll see between those two, who can serve the best supply for the DAC.... Read More