Posts tagged with: tube

Sneak Peek from My Latest Elekit TU-8900 Upgrades

Quite a busy week with a lot of daily work. So this hobby will be pushed to next priority for sure. But I managed to get myself consistent in spending...... Read More

Takatsuki TA-2A3 Vacuum Tube

After trying Takatsuki TA-300B quite some time ago, now I got chance to try their new production of 2A3… Welcome Takatsuki TA-2A3. 2A3 is popular as Mother-of-Triode (or Mother-of-AudioTubes). Compared...... Read More

Elekit TU-8900 (300B/2A3 Amplifier) Upgrade – Part 2

As usual, very busy with work. So quite slow in the progress. But I managed to finish the headphone output section (Unit-4). Hope you enjoy it!      ... Read More

Ultimate “Cost No Object” Elekit TU-8900 Upgrade

This will be my ultimate Elekit TU-8900 “cost no object” upgrade project. I have collected the parts for quite some time. Some are new, some perhaps have been there for...... Read More

Ultimate Transformer for Elekit TU-8900: The One and Only?

My new Ultimate Transformers have just arrived. Power Transformer: HiB Double C-Core & OCC Cu/Copper Wire Output Transformer: NanoCrystalline/Finemet Double C-Core & OCC Ag/Silver Wire You can see more detail...... Read More

Construction of Elekit TU-8900: 300B/2A3 Amplifier

Here is the construction video of Elekit TU-8900. There are 3 videos: Two are the construction and one is the testing session. Enjoy!  ... Read More

Elekit TU-8500 Tube Pre-Amplifier

I just purchased an tube pre-amplifier kit, Elekit TU-8500.  This is quite small and compact tube pre-amplifier. Considered very reasonable in cost and eventually good sounding one. Here is the...... Read More

Korg Nutube: Similar but Not the Same with Tube

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...... Read More

Indonesia DIY Audio Gathering at Bintaro

It’s been quite some time since last gathering at Bintaro (although I have to admit that I missed some of the gathering due to schedule conflict issue), so finally we...... Read More

Manley Labs Headphone Amplifier

CES 2016 seems like the returning of vintage audio gear. After several turntables, next is we will see tube headphone amplifier from Manley Labs. Okay, Manley Labs is not common...... Read More

Testing J&K Power Transformer

I have some spare time during this Christmas and New Year. Before I continue, I think I should say Happy New Year 2015 to all of you. All the best...... Read More

Universal Tube Power Supply Unit Design Plan

As a DIY, I think it’s important to have a dedicated power supply module. I have tried several design, but finally got tired if I have to finalized the build...... Read More