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Old 21st November 2007, 06:51 AM   #1
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Default New Guy Line matching transfo ?

Hi, my first post but this is my go-to forum to answer all questions. I mod stuff, I think people call it circuit bending but I keep it utilitarian.
Can someone point to a schematic of a line matching transformer I can make that will add a little "iron" to the output.
I made a solid state guitar amp that has a line out and I want to add a low XLR.
I am so sorry if this is in the wrong place or I asked something stupid.
TIA
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Old 21st November 2007, 02:15 PM   #2
AndrewT is offline AndrewT  Scotland
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try the Jensen site for balanced transformer outputs
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Old 21st November 2007, 05:03 PM   #3
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I think I may need a little theory here as well. I am going from an unbalanced line output into a transformer and out to an XLR balanced? Can this be done unpowered?
Does it work in both directions?
Thanks
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Old 22nd November 2007, 12:51 PM   #4
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or maybe point me in the right direction of someone who can answer this......
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Old 22nd November 2007, 04:11 PM   #5
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Hi, I don't mind bumping my post every 12 hours until someone can help me, or tell me where I might find someone that can help.

I really appreciate all your help so far.

I have the schematics from the Jensen site and it it is not what I am looking for. I am looking for someone that knows something about using a transformer on a unbalanced line out that might warm it up a bit and convert it to balanced.

Again, thanks fort all the help, I know this is beyond basic for all of you, but I could really use the help.

Am I mistaken thinking someone on here could help?
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Old 23rd November 2007, 05:55 AM   #6
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Again thanks for all the great help but maybe someone will get tired of seeing this get bumped and explain to me this basic schematic or let me know of a more helpful forum that would be willing to help a newbie that is struggling.

As a moderator of my local Jeep forum, I can assure I am not new to forums, only here, and I also can assure you we help anyone that needs it. I always have time to explain a basic principle to someone that is new, unless no one really knows the answer and then we can send them to the right place.

I am looking forward to the day I don't have to bump this anymore but I still do not mind exercising my persistence.
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Old 23rd November 2007, 08:35 AM   #7
djk is offline djk
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Didn't bother to go to the Jensen site and read all about it huh?

Hard to help someone that won't follow directions.

http://www.edcorusa.com/products/tra...sm10k-150.html
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Old 23rd November 2007, 01:25 PM   #8
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I am sorry I was not clear.

Even the white papers don't explain about adding Iron to warm up a signal. I was hoping someone on this forum could help.

I had also noted that I had read through the Jensen site and it didn't answer some basic questions like does it work in both directions and can I do this powered and unpowered.
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Old 23rd November 2007, 02:02 PM   #9
djk is offline djk
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I selected the part you need.

Buy it.

Hook it up.

The pin that's marked + input, that's your input
The pin that's marked -input, that's your input ground

The pin that's marked + output, that's the + output (XLR pin 2)
The pin that's marked - output, that's the - output (XLR pin 3)
The pin that's marked C.T., that's your output ground (XLR pin 1)

I even selected an M6 core to give you that warm 'iron' sound.
If you want a neutral sound use the 80% nickel cores.
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Old 24th November 2007, 07:53 PM   #10
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THANKS!
It was the warm sound that I am after. I really appreciate it!
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