Posted on Saturday, 4th October 2008 by Jimmy Auw

Well, I have one week holiday and I’m almost dead because of doing nothing. Since I have a pair of Aikido 9-pin Preamp PCB, why don’t I build one?

The main concern of this project is simplicity and cheap price. I don’t want to spend too much money for this project (just to kill my boring days).

So here is the PCB. Nice, sweet, well build by John Broskie.

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Tags: Aikido, Amplifier, headamp, headphone amplifier, preamp, tube
Posted in DIY Audio, Personal | Comments (22)

Posted on Thursday, 2nd October 2008 by Jimmy Auw

Well, I have been involved in a discussion in a local forum and surprisingly, many people don’t understand about grounding. It will take a long paper to discuss about grounding and you can find on Google. I just will write short article about how to test whether you have ground or not on your wall outlet.

Check picture below.

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Tags: ground, hot, neutral
Posted in Personal | Comments (0)

Posted on Thursday, 2nd October 2008 by Jimmy Auw

I manage to collect some old “not common” tubes as below

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Posted in Collectible Stuff | Comments (0)

Posted on Wednesday, 1st October 2008 by Jimmy Auw

Just take a shoot of my Aikido Preamp (6N1P, 6N6P, and 5U4C/5Z4 rectifier). Will upload the details later. Enjoy this cute pics. Beautiful, isn’t it?

Tags: Aikido, DIY-Audio, preamp, preamplifier, tube
Posted in DIY Audio, Personal | Comments (13)