All posts by: Auw Jimmy

News: Audio Note New Electrolytic Capacitor

Year 2014 could be an interesting year for DIY audio. I just came across Audio Note website and found that Audio Note planned to launch a new electrolytic capacitor. More...... Read More

Another Comment of ‘No Name Capacitor’ from DHTRob.com

First, I need to say sorry because I haven’t updated this blog for quite some time. Crazy busy with my daily office life. I have some good stuff on hand,...... Read More

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

Telefunken ‘Hexode’ YL1260

This is a giant tube. With around 500 grams of weight, definitely this is a heavy weight class. It’s a Pentode with shadow grid to reduce the screen current –...... Read More

Shuguang 300BS-B Ceramic Tube Socket

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

The Beauty of EIMAC Tube: EIMAC 8165/4-65A and EIMAC VT-129/304TL

EIMAC tube is well known as high power (we are talking ‘K’ in Volts). The current requirement also quite heavy. But the best thing from them is they are beautiful...... Read More

‘No Name’ Capacitor Reviewed on DHTRob.com

I used to review a lot of stuff, including capacitor. But it comes upon a time when I have to be reviewed – I mean, my stuff. If you haven’t...... Read More

F5T (F5 Turbo) PCB

This is indeed a nice F5T (F5 Turbo) PCB. Well designed one, good option and flexibility, and surely good quality fabrication. Time to shop for the parts? 😉... Read More