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22nd July 2009, 01:41 AM
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#1 |
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diyAudio Member
Join Date: Feb 2005
Location: NJ
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Aikido pre
I just wanted to share my enthusiasm with my recently built Aikido pre. This is an absolutely amazing design. It transformed my system. And I thought I had a pretty good system...
I'm speechless. It's so revealing that I had to reconfigure my subwoofer settings. I've used all of John's boards for this pre. The cap switching is brilliant. And the RTI caps are excellent. Today I was listening to the last movement of Beethoven's 9th by Karajan (Karajan Gold - DG) and I never heard so much information from that recording before. I love the performance but I never felt that recording to be great. Well, it doesn't mater anymore because it sounded wonderful. I'm so addicted that I ordered an octal kit to use with some 12SN7's I've been collecting from e-bay. I'm having the front panel printed. Nobody understand the 5 knobs in the front. Anyway, here are some pictures of a very happy builder. |
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22nd July 2009, 02:14 PM
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#3 |
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diyAudio Member
Join Date: Feb 2005
Location: NJ
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here's one:
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22nd July 2009, 02:16 PM
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#4 |
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diyAudio Member
Join Date: Feb 2005
Location: NJ
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and another...
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22nd July 2009, 02:21 PM
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#5 |
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diyAudio Member
Join Date: Feb 2005
Location: NJ
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one more
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24th July 2009, 12:13 AM
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#8 |
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diyAudio Member
Join Date: Jan 2007
Location: Sacramento
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Welcome to the extended family.
Aikido club of the world. Ron
__________________
"If it doesn't work properly, hope it catches on fire"- Nelson Pass @ BA3 "I fired up the prototype. Literally." The Prophet Pass. |
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31st July 2009, 01:38 AM
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#9 | |
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diyAudio Member
Join Date: Feb 2005
Location: NJ
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Quote:
Hi, The box below s my DAC. My amp is a class-D UcD400 from Hypex. Good stuff! I just finished an octal board a few days, B+ is 300V and current is whatever John recommends for the 6/12SN7. I'm using 12SN7's I collected from e-ebay. This circuit doesn't seem supper sensitive to tube differences. It always sounds good. I know have RCA 12SN7. But I have a bunch of others to try... The previous board was the 5687 with 6CG7. B+ was 240V. In my enthusiasm last week I managed to blow one of my ribbon tweeters. Already replaced. Here's a picture of the new board. |
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