• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

aikido build thread-

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nate

Member
Joined 2004
Hi everyone,
This is my first post in the tube section.....
Thanks to JB and www.tubecad.com I am hopeful it will go well!!

I have a full tube cad line stage in the works consisting of:

The Janus Regulator with Hammond transformer
Nine pin Aikido board (probably 12au7/12au7 or 12au7/6h30)
TCJ attenuator kit (the old non-elma version)
and input selector switch.

I selected parts based on what I've used before and, at least to me, they represent a good value.

I got the boards from John very quickly and the quality is very good. The included instruction manuals are excelent and very helpful. I've built a few diy kits before and this one looks to represent a reasonable challenge.

I will do my best to add pictures as my project progresses!

Nate
 
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nate

Member
Joined 2004
So the preamp is up and running! I will add a couple pics this weekend-

I used a 6CG7 (input) and 6DJ8 (output)-

anyway, it sounds great. I am currently using a Rogue Magnum 66 line stage and while the Aikido is still settling in I am already pretty confident that the Aikido is clearly superior. It is super quiet and went together without a hitch.

Nate
 
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