All posts by: Auw Jimmy

QLS QA-660 Basic Power Supply Modification Plan

QLS QA-660 comes with a standard PCB mount multi-secondaries transformer. This is probably not a bad transformer, but most of the time I would be more comfortable with a separate...... Read More

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...... Read More

QLS QA-660 First Listening Test

I’m still waiting for a ‘proper’ DAC, but I think it’s quite interesting to see how this new QLS QA-660 performs against its elder brother, the QLS QA-550. So I...... Read More

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...... Read More

Sony 2SK82 for SIT Amplifier

After a session on Bintaro, I decided to purchase this Sony 2SK82 for SIT Amplifier project. Don’t know when I will (ever) build this amplifier, but surely it’s nice to...... Read More

QLS QA-660

It’s been a while since I bought my QLS QA-550. Although I haven’t played much with it, but in overall, I like the quality of the player. Now, the new...... Read More

Another DIY Audio Gathering at Bintaro, Indonesia

As usual, every certain period, the local DIY audio group in Indonesia will have a small gathering in Bintaro. This is one of the favorite place (there are some other...... Read More

Raspberry Pi

This could be related with audio. Probably. A Raspberry Pi, a credit size computer with Broadcom BCM2835 SoC. This contains an ARM1176JZFS, with floating point, running at 700Mhz, 256 MB...... Read More

QLS QA-550 with Terratec Aureon FireWire

It’s been a long time since I bought this QLS QA-550 – a year or two. Unfortunately, I haven’t had enough time to try this. During this lazy Sunday, and...... Read More

Indonesia High End Audio Club (IHEAC) Solid State Amplifier Blind Test Session

Today, 1st of September 2012, located on ACA Matraman, Indonesia High End Audio Club (IHEAC) hold a Solid State Amplifier Blind Test session. So here is the audience and (some)...... Read More

6N6P Tube with Gold Grid

A picture is worth a thousand words…... Read More

E-MU 1820M PCI Sound Card Revisited

This is actually an old card, but I think I can have a use if I can get an adequate mainboard with PCI slot. This card was quite famous at...... Read More