It’s time to replace battery on some of my measurement device. And surprisingly, it’s not easy to find good (and safe) replacement. For some of you who never (I hope...... Read More

Long time no post. Quite a busy months. Let’s start with a simple one. All photos were taken with my Nokia Lumia 1020. I was too lazy to use my...... Read More

This is quite common tube, 300B by Shuguang. Nothing really special, only white ceramic tube socket, gold plated pins, and carbonized nickel plate. Let’s see how interesting this tube when...... Read More

A bit tough later these days to find a good reclock module. Somehow, I was interested to try this one: TCXO Module from D/A Mental (a bit strange name, huh?)....... Read More

After first part here, I think it’s time to experiment more with this SPDIF Transformer. What could be worst than potting it into a custom enclosure? Nanana, I can’t even...... Read More

Scientific Conversion SPDIF Transformer is quite unique. The appearance is 8-pins SMD, but the footprint is nowhere on the 8-pins SMD one. I have tried BrownDog PCB to mount, but...... Read More

It has been quite some time since my last article on this blog. Quite a busy life (but that busy life pays this hobby, anyway). I tried to spend sometime...... Read More

I have used several good brands of potentiometer. But once upon a time, I decided to stick with stepped attenuator. My first was DACT which using SMD resistor and configured...... Read More

Living in such humid country, then corrosion is always around. I hate it, frankly speaking. But no choice 😉 I try to ignore such corrosion (and throw away my ‘perfectionist’...... Read More

I bought this Duelund VSF Cast Ag (Silver) around 3 years ago. I think Duelund was not as popular as now at that time, but still this Ag (Silver) version...... Read More

When the night comes, it’s a good time to listen some musics while summing up today’s work 😉 So here is the shoot of ASUS Xonar Essence One DAC section....... Read More

It’s been quite some time since I play with small soldering job. Time to practice a bit more. On the same time, I have to solder my LME 49720HA to...... Read More