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Look at my DIY DI-Box!

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Look at my DIY DI-Box!

Postby tunca » Thu Dec 27, 2012 10:52 pm

Hi,

I built new DI-Box and i will sample it but first i want to share sound samples.

Cause i built it in different way.Even output is unbalanced(i will add balanced,too).

Just i used trafo(only 2$ :mrgreen: ) and wires.But result really surprised!

When i done,i will sample and share.

Please listen and tell me what you think.

BTW there is no any effect! And recorded with onboard soundcard :mrgreen:

https://dl.dropbox.com/u/91809016/DRY.wav

https://dl.dropbox.com/u/91809016/DI.wav
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Re: Look at my DIY DI-Box!

Postby dagovitsj » Fri Dec 28, 2012 10:40 pm

Hi!
Very interesting! The DI-version of the wav file: the sound is more open, the highs are much clearer/defined and have more sustain.

Do you mind posting pictures of the DI-box and the list of components? Is it difficult to build it?

Cheers
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Re: Look at my DIY DI-Box!

Postby tunca » Sat Dec 29, 2012 12:16 am

dagovitsj wrote:Hi!
Very interesting! The DI-version of the wav file: the sound is more open, the highs are much clearer/defined and have more sustain.

Do you mind posting pictures of the DI-box and the list of components? Is it difficult to build it?

Cheers


http://sound.westhost.com/p35-f2.gif

It's the schema :mrgreen: Actually i wanted to build ground loop isolator.But i built DI-box.

And it's the trafo; Atech-ATS279

http://www.atechoem.com/products/download_com_product.php?filename=ATS-279

But i didn't add resistors and capacitors for now.It's only trafo with Earth Lift.I'm tring to improve...

Thanks
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Re: Look at my DIY DI-Box!

Postby rhythminmind » Sat Dec 29, 2012 8:57 am

It's great that your building, everyone should IMHO. (Some DI recommendations if interested) that transformer seems to be a matching 1:1 transformer. Not a good for a step down DI in the traditional view.
Your box will functional as a great little coloring box to place inline with your signals tho.
Traditional "DI's" use a 12:1 or so transformer to bring down the line level to a mic pre friendly signal. Here are some optimal designs http://www.jensen-transformers.com/apps_sc.html
"Any experiment of interest in life will be carried out at your own expense." http://rhythminmind.net - http://signaltonoize.com - http://popsound.com
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Re: Look at my DIY DI-Box!

Postby tunca » Sat Dec 29, 2012 12:49 pm

Yes,actually it's not DI but it's really colorful and clear.I think i can use it with mic preamp(output),too.It's cleaning signal.Especially it's removing hum and adding brightness to signal.It's pretty simple and effective.But i think i have to add a capacitor to remove hiss.I will improve this circuit...
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Re: Look at my DIY DI-Box!

Postby tunca » Sat Dec 29, 2012 1:10 pm

BTW it's my schema

Image
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Re: Look at my DIY DI-Box!

Postby dagovitsj » Sat Dec 29, 2012 9:01 pm

Thanks to both tunca and rhythminmind!
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