Well, I need a big-capacitance high-quality capacitor to drive my headphone amplifier (we are talking 200-500uF capacitance and at least 400VDC working voltage). I don’t have too many choices (or...... Read More

After Elna, BlackGate, and M-Lytic, now it’s time for the Obbligato. My order just arrived yesterday. I bought three types of Obbligato available on the market. The picture above is...... Read More

Yesterday, another component arrived. This is one of the most important component for my B+ power supply. Welcome the Mundorf M-Lytic High Voltage “Special Custom Edition” 560uF/400V. This special capacitor...... Read More

After here and here, well seems not enough, I have ordered some more components for my next DIY project. Just arrive today. The target is clear. This could be my...... Read More

My custom power transformers have just arrived. Like on my previous post, I plan to use 4 power transformer for my next Aikido project (two Heaters and two High Voltage)....... Read More

Well, this is a surprise news for me (at first). A “Made in America” PCB? Seriously? Few months ago, my friend introduced me to TubeCAD (and finally led me to...... Read More

After a quite long searching period, finally I got my tube, the Brimar CV4024 and GE 12B4A. Actually, I was looking for RCA 12B4A or Tungsol. But got no luck...... Read More