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Old 26th June 2007, 02:38 AM   #1
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Default WTB: Aikido PSU

Looking to purchase a suitable power supply for my aikido pre that i'm building. Seems like there's so many options it's a little overwhelming, so i'd like to have a working one first, then branch off later with my own. I also have a monica 2 dac for trade if anyone's interested.

Thanks!

Dave
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Old 26th June 2007, 04:23 AM   #2
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I'm thinking of using the 6s7n's, but if someone has a different supply for different tubes i would also be interested!

Thanks

Dave
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Old 26th June 2007, 11:53 AM   #3
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Check this thread for Peter Daniel's 'generic' or 'versatile' PS board. It would get you part of the way there. The universe of topologies and variations would be reduced to a few part values. - Jeffrey Hill

WTB: F4 PCB boards
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Old 26th June 2007, 02:16 PM   #4
sbrtoy is offline sbrtoy  United States
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Default PS Board

I am also in the process of building an Aikido with 6SN7's, and I have a PS kit on order from Welborne labs. Their PS8 provides both high voltage and filament voltage and can provide the 300V recommended for the 6SN7's.

This is my first tube project and honestly I didn't want to fry something (or myself) so I went with this kit. I am not expert enough to create my own unfortunately

If you want to share progress just PM me, at this point I have my resistors (Kiwame and Caddock), Coupling Caps (Auricap and Obbligato), and most other parts, but haven't begun assembly yet.

My plan is for a balanced linestage with remote volume and display.
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Old 27th June 2007, 12:04 AM   #5
jarthel is offline jarthel  Australia
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the power supply for the aikido can be simply made using a perf board.
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Old 27th June 2007, 12:42 AM   #6
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Do you have an easy to build schematic that i could just go ahead and build? there are so many choices i just want to pick one and go for it. but i don't know which one would be a good cost/performance/ease of build compromise.

Thanks!


Dave
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Old 27th June 2007, 03:15 AM   #7
jarthel is offline jarthel  Australia
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the aikido PDF comes with a very simple PSU. just follow it and away you go
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Old 27th June 2007, 06:20 AM   #8
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Is there any transformers you would recommend (hammond, ect?) that i could order from digikey, and is running the heater off 6v ac really that bad?

Thanks!


Dave
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Old 27th June 2007, 08:09 AM   #9
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Here is a psu
http://www.diyaudio.com/forums/showt...013#post715013

Quote:
and is running the heater off 6v ac really that bad?
Not at all bad. I built the above psu with 6,3v ac and it is dead quiet. 6V ac is essentially the same...not worth worrying about.
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Old 27th June 2007, 01:10 PM   #10
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Bas,
Not meaning to hijack the thread, but in the link that shows your power supply, you provide a link to a autoformer volume control. Were you joking, or would an autoformer or TVC make a good volume control for an Aikido? Expensive yes, but desirable? This was an idea I asked about on the Moskido thread and got no response. Again, sorry I'm off topic.
-Jeffrey Hill (marsupialx)
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