WTB: Aikido PSU

habsrock93 · 26th June 2007, 02:38 AM

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

habsrock93 · 26th June 2007, 04:23 AM

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

marsupialx · 26th June 2007, 11:53 AM

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

sbrtoy · 26th June 2007, 02:16 PM

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.

jarthel · 27th June 2007, 12:04 AM

the power supply for the aikido can be simply made using a perf board.

habsrock93 · 27th June 2007, 12:42 AM

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

jarthel · 27th June 2007, 03:15 AM

the aikido PDF comes with a very simple PSU. just follow it and away you go

habsrock93 · 27th June 2007, 06:20 AM

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

Bas Horneman · 27th June 2007, 08:09 AM

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.

marsupialx · 27th June 2007, 01:10 PM

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)

26th June 2007, 02:38 AM	#1
habsrock93 diyAudio Member Join Date: Oct 2006	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

26th June 2007, 02:16 PM	#4
sbrtoy diyAudio Member Join Date: Apr 2003 Location: colorado	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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26th June 2007, 04:23 AM	#2
habsrock93 diyAudio Member Join Date: Oct 2006	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

26th June 2007, 11:53 AM	#3
marsupialx diyAudio Member Join Date: Mar 2004 Location: Kansas City	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

27th June 2007, 12:04 AM	#5
jarthel diyAudio Member Join Date: Jan 2002 Location: somewhere in Australia	the power supply for the aikido can be simply made using a perf board.

27th June 2007, 12:42 AM	#6
habsrock93 diyAudio Member Join Date: Oct 2006	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

27th June 2007, 03:15 AM	#7
jarthel diyAudio Member Join Date: Jan 2002 Location: somewhere in Australia	the aikido PDF comes with a very simple PSU. just follow it and away you go

27th June 2007, 06:20 AM	#8
habsrock93 diyAudio Member Join Date: Oct 2006	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

27th June 2007, 01:10 PM	#10
marsupialx diyAudio Member Join Date: Mar 2004 Location: Kansas City	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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