Posts tagged with: Aikido

Removing the Old Tube Socket

During the upgrading process, the old Ceramic tube socket also got new replacement to the Teflon one. The problem is, the process to remove the old tube socket will not...... Read More

Aikido Preamp Make Over

As I’m about to move my Aikido Preamp to a new ‘home’ (I mean, new chassis), then it’s time to fix all the components used there. Before, I have tested...... Read More

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)...... Read More

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....... Read More

Aikido PreAmp Upgrade: Sowter Custom Choke Input 30H / 75mA

This is the final choke upgrade that I’ve been waiting for quite long time. After some discussion on the phone with Brian (1 day before his birthday), finally I finalized...... Read More

Aikido PreAmp Upgrade: Chassis

Not yet finished chassis. Quite huge for a preamp, around 42×42 cm in size. Some copper sheet shown on the picture for some section on the top plate.... Read More

Aikido PreAmp Upgrade: IEC, Resistor, RCA, Hook-Up Wiring

The upgrade not yet ended. I still have something to finalize my Aikido PreAmp. I go to upgrade some section in order to make it firms before fitting it on...... Read More

Duelund Interconnect 2.0 Rev2 vs 1.0 Rev1

After completing the construction of my Duelund Interconnect 2.0 Rev2 here, I decided to do some short comparison. My friend has Duelund Interconnect 1.0 Rev1. I think this gonna be...... Read More

Tube Rectifier Filament Supply Selector

I this world, there are lot of tubes, with different filament supply. In most of my tube rectification application, I stand with two choice of rectifier, the one with 5...... Read More

Burn-in Rig Before Battle

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

Duelund CAST Ag (CAST Silver) Early Hours Impression

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 Aikido with Duelund CAST Silver Installed

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