I plan to compare some capacitors from Jensen and one from Audio Note. The two from Jensen are Jensen Copper Foil Paper-in-Oil (Paper Tube) and Jensen Copper Foil Paper-in-Oil (Copper...... Read More
After reading my article about finding out capacitor inner-outer foil, some of my readers asked me to do the similar test on the resistor. Well, technically speaker, resistor shouldn’t have...... Read More
I just got my Oscilloscope, so I can play more fun with my DIY stuff. Ok, let’s start with some basic “game”, to find the inner and outer foil of...... Read More
Straight to the point. Just backed home tonight from a crazy traffic, then it was a great moment to payback! Let’s solder the new Duelund CAST Resistor. You can see...... Read More
Finally, I change my main transformer orientation, from horizontal to vertical. Not really easy to mount this giant transformer vertically. But here is the result. I’m quite sure I love...... Read More
Before, my main transformer was designed to be mounted in vertical position. As you can see, the L-Shape was designed to be bolted on the main chassis vertically. Due to...... Read More
Now it’s time to try the Duelund CAST Ag (CAST Silver) on my Aikido Preamp. You might be interested to read the installation process. Short words, here is the final...... Read More
My Sanwa PC510 multimeter has the capability to measure the temperature via small probe. So, I’m curious to measure my tube glass/surface temperature. I test the 6N1P, 6N6P, and 5U4G...... Read More
Few months ago, my Aikido transformer was burned due to my stupidity plugging in 100R bleeder resistor, instead of 100K one. Well, I have ordered another replacement few months ago,...... Read More
A pair of Duelund CAST is enough to rob your wallet. How about two pairs? Well, sometime money is not an object – when you are pursuing the ultimate sound....... Read More
I have a short free time at the afternoon, and it’s time to test my Power Supply for my Gainclone. Powered by Talema dual secondaries, each rated at 18VAC/6.3A... Read More
I will not use “Ultimate” or “Premium” project since no one knows (even me) the result of this Gainclone project. I would say… “Ridiculous Gainclone”. Is that OK? 😉 To...... Read More