Posts filed under: DIY Audio

My second post of the weekend. This is my new source gear, Korg MR-2000S 1-Bit Studio Recorder. I have been looking for a very good source and I’m a believer in high resolution audio format (and proper DSP for re/upsampling...
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HP Agilent 3561A Dynamic Signal Analyzer. Finally I managed to secure this interesting device. But unfortunately, shit happens! The unit came ok from outer physical appearance, but inside, seemed like someone has smacked this unit down. I saw some cracks...
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I have some spare time during this Christmas and New Year. Before I continue, I think I should say Happy New Year 2015 to all of you. All the best for us in the upcoming year. More fun stuff to...
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Do you realize that your measurement device also need a battery replacement? Some might not aware about this. Not only your digital device, but also your analog “needle” based measurement device. They do need battery replacement. I bought this Sanwa...
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I’m not quite sure if the title above is correct, but I just can’t figure out something better. Basically, when you are doing DIY, then you will play a lot in breadboard or something that’s not in proper or neat...
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As a DIY, I think it’s important to have a dedicated power supply module. I have tried several design, but finally got tired if I have to finalized the build into something complete. Not to mention that space might be...
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My first impression was here which you can look around if you haven’t read that. Last time, I ordered 5 pcs of Burson Audio Discrete OpAmp for my ASUS Xonar Essence One. Unfortunately, I did a mistake. I needed 7...
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Last week, located at Hotel Menara Peninsula, Jakarta, Indonesia, Indonesia Hi-End Audio Club or IHEAC held a high end Audio Video show. This is the 3rd show held by IHEAC and frankly speaking, it has a lot improvement compared to...
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Due to shortage of some materials, my custom¬†transformers were delayed a bit. I haven’t got chance to arrange the pickup yet, so I ask Ken to give a quick test of the unloaded voltage. I know the best scenario is...
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OpAmp. Well, what’s inside your mind when reading word “OpAmp”? A tiny chip with several pins? Could be. Actually, there are several ways to get the job done. First, we go with easy ‘fast food’ or chip based OpAmp. You...
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I have spent quite a lot of time to find a good transformer maker who can build something “beyond ordinary”. That means something standard (or a bit above standard) is no longer interest me. I spend hundreds of emails to...
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I got this Tymphany driver from broken Bluetooth speaker. First, I don’t expect I would see anything special inside a broken Bluetooh speaker. But I’m wrong. The driver used is Tymphany (Peerless) P830985. I believe the name/numbering format is following...
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