I'm starting this blog with a report on a new line stage I built according to John Broskie's "Aikido" design. I chose to use 6SN7 tubes; their gain works out to be just right in my system.
I've been listening for a day now, and the sound is excellent, and I hope it will just get better when I replace the awful coupling caps with some good ones (I used whatever parts I had on hand to build this at first.) I used this schematic:
It was very simple to build and the parts were all available at Radio Shack other than the tube sockets.
-j
2 Comments:
Hey, Jeremy!
I have been playing around with the Aikido circuit for a while. Currently using 12FQ7 into ECC99. I find that it is damn nice sounding, without going crazy in regulation or other tweeks. Just built a decent passive supply for it. Very clean, dynamic, and controlled.
I still want to try a shunt reg power supply on mine, though it is debatable whether it needs it.
David
I wouldn't bother, based on my experience. Of course, who knows - maybe there is room to the upside.
Thanks for checking in, David! I miss you DC guys - say hi for me.
-j
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