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  #1  
Old 11-06-2008, 06:46 AM
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Do It Yourself ABY Pedal?

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Anyone seen one anywhere?
  #2  
Old 11-06-2008, 07:15 AM
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Originally Posted by stflbn View Post
Anyone seen one anywhere?
Yes, here: http://www.singlecoil.com/docs/aby.pdf

I've built it. It works and sounds fantastic! Fun build, too!
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Old 11-06-2008, 08:14 AM
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Im looking at making one of these myself, although i want it to work in reverse- ie, 2 basses in, 1 out.

does anyone know if id need to change anything in those plans?
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Old 11-06-2008, 08:18 AM
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Nope, just run it backwards.

1 in and 2 out or 2 in and 1 out
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Old 11-06-2008, 08:22 AM
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Nope, just run it backwards.

1 in and 2 out or 2 in and 1 out
great! thanks!!

i figured as much, just wanted to check though..
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Old 11-06-2008, 08:43 AM
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https://www.generalguitargadgets.com...d=16&Itemid=26

One w/ a PCB from GGG
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Old 11-07-2008, 12:41 PM
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Nope, just run it backwards.

1 in and 2 out or 2 in and 1 out
I'm actually interested in doing this myself. I have never actually done any serious circuit making except for labs that I've taken in college (in my 4th year for EE major). However, I question this somewhat. Won't everything with polarities such as the op-amps and caps interfere. A better explanation by someone would really help.
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  #8  
Old 11-07-2008, 05:52 PM
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Im going to build my own!! im making mine "backwards" (2 in 1 out) so it'll be perfect for my purpose.... plus it'll be my first build... so should be interesting!!
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Old 11-07-2008, 06:15 PM
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Im going to build my own!! im making mine "backwards" (2 in 1 out) so it'll be perfect for my purpose.... plus it'll be my first build... so should be interesting!!
You may not even need the Y portion of the program, unless you want to have it for future considerations.

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Originally Posted by Kooldac View Post
I'm actually interested in doing this myself. I have never actually done any serious circuit making except for labs that I've taken in college (in my 4th year for EE major). However, I question this somewhat. Won't everything with polarities such as the op-amps and caps interfere. A better explanation by someone would really help.
An ABY is totally passive, and as long as you are only splitting an active signal (thanks nifty, bongo), you shouldn't have any problems. If you are using it to combine two input signals onto one output path there may be problems unless you are only using one input at a time. If you make a buffered ABY, then you can only go one way.
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Last edited by cheapbasslovin : 11-07-2008 at 06:17 PM. Reason: my beer told me to.
  #10  
Old 11-07-2008, 06:43 PM
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Originally Posted by cheapbasslovin View Post
An ABY is totally passive, and as long as you are only splitting an active signal (thanks nifty, bongo), you shouldn't have any problems. If you are using it to combine two input signals onto one output path there may be problems unless you are only using one input at a time. If you make a buffered ABY, then you can only go one way.
Alright. I plan on doing what adge is doing so please keep me in the loop, buddy. I definitely would like to learn from anything you do!
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  #11  
Old 11-07-2008, 06:47 PM
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Alright. I plan on doing what adge is doing so please keep me in the loop, buddy. I definitely would like to learn from anything you do!
The only stuff I have fair knowledge about is signal path stuff, how and why electronics interact is a piece can be a little fuzzy on. Occasionally I BS even though I don't mean to. But on this I'm pretty sure I'm solid.
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  #12  
Old 11-07-2008, 07:19 PM
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The only stuff I have fair knowledge about is signal path stuff, how and why electronics interact is a piece can be a little fuzzy on. Occasionally I BS even though I don't mean to. But on this I'm pretty sure I'm solid.
I was referring to adge and any problems he comes across when he builds his, but any help is appreciated I just need to get my head around what all the sections do when I have some free time then I'll try my hand at it...
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