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Loud noise on stealth wireless system.

Loud noise on stealth wireless system.

Hi I just purchased this system. Working as a musician/ engineer with a Soundcraft UI24R mixer. My setup is quite simple.
On stage: From UI24r speaker master out to sub --> to 2 x tops --> Wired.

Why I purchased the Stealth Wireless? Explanation: Often I'm adding two extra tops on strategic places of the venue to gain better results. But the wiring for these extra speakers takes too much time and cables. So someone recommended me a wireless system.

Here's my problem: I want to be in controle on stage with the remote speakers placed in the venue. So I connect the transmitter to the headphone output from the UI24r, so I can controle separately the volumes on the mixer.
The problem is when I turn op the volume ON the transmitter ( 75%) ....and my headphone volume on the mixer ( 75%) an incredible noise increases on the remote speakers, even louder then the music is being played. I really cant figuere out where the noise comes from and how to solve this problem.
The only way the setup works without noise is when I split the UI24r master Out ( Y split:
- to sub and tow tops -> wired
- to tops in venue -> wireless
- This way
But this way I can't controle my remote speakers unfortunately.

Does anyone recognise this problem? And are there any suggestions to try?

Thanks in advance.

Win
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  • Hey Win,

    Thanks for posting!

    The reason you are hearing noise on the output when connected to the UI24R's headphone jack is because the impedance requirement is different than the main outputs. Headphone terminals are specifically regulated to drive headphone speakers not active monitors.

    Have you tried routing the signal to an AUX send and connecting the transmitter to AUX Outputs 1/2?
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  • Hi Eliza,

    Thanks for the reply!

    Yes I did try routing the signal to an ( stereo) AUX, but doing that means I will each session/ gig have to send and re-check all my mixer input channels. I dont think thats an option.

    For now my physical/ wired 'Y split' from UI24R speaker master out to transmitter setup works, but can only try this starting this weekend playing live again after a little vacation ;-)
    Hopefully there will be no drop on the remote speakers outs in volume or whatsoever. ( regarding the other posts I've been reading lately!)

    Regarding the impedance requirement:
    Is it an option connecting the headphone output to a D.I.? ( between Headphone output and Transmitter?)

    thanks

    Win
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  • Hey Win!

    I've seen people use passive stereo DIs for computers, tablets or mobile AUX outputs before. They then route directly to the PA without issues. I'm not sure that this will work as effectively with the UI24R, however. If you have access to one, it's worth a try!

    In regards to the drop-outs, interference can result from a host of causes that aren't directly related to the units specifically. While the range max is 200 feet, this spec is under ideal conditions. Keeping the transmitter and receivers line of sight is important as well as limiting or even removing additional wireless systems that are in the same room.

    Let me know if you have any questions!
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  • Hi Eliza,

    Ok, I will try the DI setup some other time and will keep us ( this forum) posted on this setup!

    Also regarding to drop-outs/ interferences ( keeping transmitter/ receivers in line of sight) I possibly will be back with any questions.
    Here's one already: because I also transmit WIFI signals for/ from the UI24R to my (controller) tablet, is it already known by Alto that this might be an issue? ( crossing transmitting signals, even seperate channels whatsoever)

    Thanks in advance again,

    Win
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  • Hi again,

    Many thanks for these fast replies. I surely will update my questions and issues.

    Good to know there shouldn't be any WIFI issues and 500MHz settings.

    We'll be posted.

    Greets,

    Win
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