Monthly Archives: October 2011

Beautiful EIMAC 8165/4-65A Thoriated Tungsten Tube

I always enjoy the beauty of vacuum tube, especially when the heater is glowing bright on thoriated tungsten tube and in a dimmed room. The photo below only taken for fun. I power up the EIMAC 8165/4-65A tube with 4x...
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Prototyping Power Supply Layout for My Preamp [2]

Still remember the first chapter here? I have transferred the paper mockup into digital format. It didn’t take long time to do that 😉 Just need to send (or print) this format and send to the manufacturer. I’m quite sure...
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Duelund CAST New Chassis Design

I ordered Duelund CAST Cu capacitor few months ago. I already have Duelund CAST Ag (Silver) on my Aikido Preamp. But I wanted Duelund CAST for my future amp (probably it’s gonna be another abandoned project?). As the CAST Ag...
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Alexander by Duelund

It’s interesting to hear how does this low end capacitor would sound. So I eventually try to obtain it. I just can’t stop my passion in this. Sigh… Priced at very low value (just a little bit more expensive than...
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Prototyping Power Supply Layout for My Preamp

As my chassis has done few days ago, now it’s time to design the placement of the parts. I have mentioned before that the dimension was quite tight, so I wasn’t sure that I could fit all the parts on...
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Wrong Calculation… (on New Aikido Preamp Chassis)

I did a stupid mistake. I ordered new chassis, but during the construction, I changed some parts and forgot if the new parts actually ‘lot’ bigger than the old one. Two most significant in terms of the size are Hashimoto...
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