Korg Nutube was introduced first time more than 2 years ago. But yeah, due to quite busy life, I was not really tempted to try this stuff until I got chance to see myself and decide to grab one of...

Few weeks ago, I got introduced by my good friend about this new fuse product. He got some samples for me to play with. Well, I’m not a believer in fuse. For me, no fuse is simply better. Why I should...

Finally, high quality Schumann Resonator made in Indonesia. This kit is made by my colleague in Bandung, Indonesia. For you who don’t know about Schumann related information, allow me to quote below from NASA. What is a Schumann Resonance? Believe...

During local DIY audio gathering few weeks back, we also got chance to audition the Spatium Audio Clavis Power Filter Module. I think this kind of event is absolutely a best way to test a device or equipment. Not because...

I got email from Anton Mehl, owner of Spatium Audio few weeks back. He told me he used to be a regular long time reader of my blog. He has been specialized himself in improving sound of instruments and human voice....

Many know Yamamoto for its Teflon tube socket. But maybe not many know about Yamamoto Teflon Female RCA socket. The center and external conductor are shaved out from phosphorus bronze and chromium copper, then plated by thick Gold. The insulator...

Yamamoto is well known for its Teflon tube socket. Yamamoto has a very wide range of Teflon tube socket, from standar Noval/Octal to very unique like UX5 or UX6 or even 10 pin type. I have ever discussed some here....

It’s always interesting to try something new – especially vacuum tube. Sometime you can get something from unknown thing. I’m quite sure we are familiar with 6SN7 vacuum tube, which is commonly used in pre amplifier and even a lot...

After a long time waiting, finally I got this transformer on hand – myself. This is the Ultimate Level 4 Power Transformer from J&K Audio Design. You can read some detail here and here. My first impression was: Heavy! Each...

Ken sent me more pictures. It would be interesting as the production is entering the final stage. I will not write much about this transformer as I have done that in my first post here. Feel free to check the...

I’m quite sure most people will know this name ‘Jupiter Condenser Co.’ and its famous brand, Jupiter Beeswax Capacitor. I don’t really remember if there is any other brand using ‘beeswax’, but I can say that Beeswax capacitor is Jupiter.’...

This is a giant tube. With around 500 grams of weight, definitely this is a heavy weight class. It’s a Pentode with shadow grid to reduce the screen current – so we should call it a Hexode. Its filament rated...