Monthly Archives: May 2014

Jupiter Capacitor HT Copper Foil, Paper, and Wax

I’m quite sure most people will know this name ‘Jupiter Condenser Co.’ and its famous brand, Jupiter Beeswax Capacitor. I don’t really remember if there is any other brand using...... Read More

HP (Agilent) 8903B: Audio Analyzer / Distortion Meter

This is one of the measurement device that has been on my list for a while, it’s HP/Agilent 8903B distortion meter (well, Tektronix AA501 is also on my list). It’s...... Read More

HP (Agilent) 5328A: Universal (Frequency) Counter

In order to have better view (and better understanding) of how stuff works, especially in audio, I need to have more testing equipments. Unfortunately, those are quite expensive for a...... Read More

Safe Battery for Your Measurement Device

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

Salvaging Some Parts from Old Marantz PM400AVK

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