Posts filed under: Measurement

Tracing Asus Xonar Essence One PCB [Deeper and Deeper]

As I have informed on previous post here, the best way to trace the PCB is to remove as much component as possible. This to make sure some of your tracing process are accurate. Although not mandatory, but seeing I...
Continue Reading →

Tracing Asus Xonar Essence One PCB

The first thing that we have to do before doing some mods activity is to find out who is where, why, and doing what. We can easily exclude when and how 😉 First, we need a AVO Meter. Any brand...
Continue Reading →

DIY Battery Power Supply for Sencore LC102

If you have read my previous article regarding the Sencore LC102, definitely you will notice that I have no power supply for this unit. After searching around, it seems quite impossible to get the original power supply (especially I’m living...
Continue Reading →

Bennic XPP Capacitor Orientation Check

During a lazy Saturday afternoon, there was a person asked on one of the mailing list about the orientation of the Bennic FPP capacitor. Unfortunately, I couldn’t find any Bennic FPP on my shelves. Only XPP was available. So here...
Continue Reading →

Sencore LC102 Capacitor-Inductor Analyzer

I have been addicted with (vintage) measurement device for quite some time, maybe 5-6 years ago. This is not because of no reason. Vintage measurement device (mostly) uses high quality parts, because they were on ‘idealistic’ world. They were not...
Continue Reading →

Tube Burner Platform

If you have a lot of old tubes, then this idea could be useful. I have planned to make this small device, but somehow quite lazy (ugh!). I think because I have Knight 600 and Hickok 539B which are quite...
Continue Reading →

Picking the Right Soldering Iron

Finding a good soldering iron is not an easy job. But once you find it, it will simplify the rest of your life – I mean, the rest of your soldering life 🙂 One of my preference brand is Goot...
Continue Reading →

Measuring Cathode Current and Resistor Rating

Some people send me an email asking about how to measure cathode current and resistor rating. I will show you how to do it and actually this way is not only applicable for cathode resistor (but commonly used for that...
Continue Reading →

Testing Tube Temperature

Sometime I’m curious how hot your tube is? Well, this short experiment will give you some idea. Different tube may have different thermal characteristic (simple logic: the higher current on the filament, expect higher temperature). Off course we can use...
Continue Reading →

DIY “Oscilloscope-like” Multitester Probe

I used to like “hook-type” probe used in oscilloscope , as this type is very convenient in testing small parts. You just hook the test clip and see the result in the display. But why most multitester (Digital or Analog)...
Continue Reading →

Midnight Tube Rectifier Shootout

In the middle of the night, after finishing my tube rectifier dual socket modification, I prepare some tube rectifier to test the new socket. I think it’s gonna be nice to evaluate the sonic of some rectifiers to 😉 Actually,...
Continue Reading →

Tiny Amplifier

I’m thinking to create a first gift for my newborn (ooopsss… he is not yet here, just about to). A small MP3 Player with tiny amplifier to drive a small speaker should be a nice idea. I will introduce him...
Continue Reading →