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Old 18th October 2012, 10:13 PM   #1
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Default Neutrik NTE4

Hi,

I have some Neutrik NTE4 I would like to use, but I have no idea how to wire them. There are 4 cables :
-2 at the bottom (or top...) : 1 red and 1 black
-2 at the top (or bottom...) : 1 yellow and 1 white.

I have no idea how to plug that. Where is the input? Where is the output?
I guess black is the ground, but that's the only thing I could figure out.
And I can't find any information on the Neutrik website except for the drawings...

P.S : it's for line level, so I have 2 of them : any issue if both of them have the same audio ground?


Thank you very much.
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Old 18th October 2012, 10:59 PM   #2
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Click the image to open in full size.

Click the image to open in full size.

Red & black are input, white & yellow are ouput.
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Old 19th October 2012, 09:29 AM   #3
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Thanks for your answer, but I don't really understand your schematics.
My goal is to increase the signal, so I want 1 in the input and 4 at the input.

So for me, the input is yellow/white and the output red/black?

Thank you
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Old 19th October 2012, 12:14 PM   #4
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Yes.
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Old 19th October 2012, 02:27 PM   #5
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Thank you very much !
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Old 16th November 2012, 07:32 PM   #6
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Ok,

It works well, too well : the volume is too high now !
My problem is that I have a bluetooth receiver and a normal jack connection wired to the DSP. I had a lot of bad noise when using the bluetooth receiver. Now, with the NTE4, I don't have it anymore, but the volume is way too high and I am gonna blow up the drivers !
How I can I decrease the volume after the NTE4. I thought about using 2 more NTE4 in this config :

1:4 -> 4:1

But it's gonna be expensive, and I have to wait again for 2 more...

Is there a resistor or something I can just add after the NTE4 to bring down the volume (redividing it by 4...)??

Thank you very much !
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Old 19th November 2012, 10:18 AM   #7
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Found a solution with 75k resistor !
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Old 19th November 2012, 11:08 AM   #8
AndrewT is offline AndrewT  Scotland
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4:1 is a big turns ratio !!!
That gives ~ +12dB when used for +ve gain.
The impedance varies with the square of the turns ratio.
A 4:1 turns gives 1:16 impedance. Note the impedance is the reverse of the turns, as well as squared.

If you connect a 10k receiver the source sees 10k/16 ~ 600ohms. A headphone output could drive that 600ohms. A cheap line stage cannot.
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regards Andrew T.
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Old 20th November 2012, 03:36 PM   #9
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It is plugged on a MiniDSP, but through the 75K resistor!
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