Posts filed under: DIY Audio

Yes, I’m kind a lazy guy when it comes to realization (or finalization) of my DIY project. But I think I’m gonna (or I have to) be serious to finalize this… Well, at least I have finished the component layout....
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I was digging my component box to see if I can find some other opamp to be used in Xonar Essence One. Luckily I still have some obsolete (but my favorite) AD825. I also bought a couple of new one...
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Just to kill the curiosity, I hooked up ASUS Xonar Essence One to my QLS QA-660. Seemed the process didn’t click that easy. Xonar Essence One failed to capture the S/PDIF signal above 44.1 kHz sent by QLS QA-660. I...
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ASUS seems so serious to jump into sound card industry. Since the first Xonar sound card launched several years back, ASUS keeps doing a lot of innovative things. I think, ASUS tries to change the game play on this industry....
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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...
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Indonesia High End Audio Club holds an audio show from 7-9th of December 2012. Located in Hotel Sultan (used to be Hilton Hotel), Jakarta, Indonesia. There are total of 4 floors + 1 ground floor used for this show. Here...
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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 transformer for some application. We need 12V and 17V. The...
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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...
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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 power up my old Terratec Aureon FireWire 7.1 in DAC...
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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...
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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 version has come, the QA-660. One thing to be noted,...
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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 smaller places, but usually the biggest gathering always held here)....
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