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 be an easy job, as removing other parts. Why? Because...
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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 several components on different section and later then I got...
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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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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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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 the order. Custom made from Sowter UK, a Choke specified...
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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....
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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 the new chassis. Here we go. First, we will install...
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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 a nice comparison! Direct to the stage, we have some...
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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 Volt filament (most Octal and UX type) and the others...
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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 Tube). From Audio Note, I have Copper Foil Mylar-in-Oil (I...
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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 installation photo. For the break-in purpose, I don’t use expensive...
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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, but just now I have time (and motivation) to install...
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