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The Magic Cafe Forum Index » » F/X » » Sound advice needed (pun intended) on wireless headset (0 Likes) Printer Friendly Version

iwillfoolu
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Upstate NY, USA
746 Posts

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Hello,
I am currently using a Fender PD150 for my shows. Recently I went wireless with my mic (Shure UT-4 w/ WH20 headset). Now I am getting a low volume buzz/hiss from my speakers. It's not feedback or so loud that it prevents me from using the system, it's just annoying. The "noise"? is only present when the transmitter is ON. I have tried using different XLR cables, different inputs on the PD150, I have fiddled with every knob and button on both systems and I cannot seem to be able to get the noise to change at all (except when the volume knobs are too low). Is it possible that I need to bring one of the components to be repaired? Am I making a simple beginner mistake? HELP!!
Joe
Magician and Balloon Twister
New York Magicians
Magician New York
sethb
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Inner circle
The Jersey Shore
2691 Posts

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If you haven't already done so, try moving the system around and placing it in a different location. I understand that sometimes nearby fluorescent lights, electric motors, transformers and such can cause noise in a wireless system.

Also, if you have a frequency-adjustable system, have you tried using a different frequency to transmit/receive the audio signal? SETH
"Watch the Professor!!" -- Al Flosso (1895-1976)
"The better you are, the closer they watch" -- Darwin Ortiz, STRONG MAGIC
Dan McLean Jr aka, Magic Roadie
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Toronto, Canada
793 Posts

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Joe,
I know something that might work.

- First, turn the mixer fully down.
- The receiver has a "audio peak" light. That light should FLICKER sometimes when you're speaking at "show" volume. If is doesn't flicker, you need to raise the beltpack's "gain" control. It's on the outside of the beltpack, and is adjustable with a small, flat-head screwdriver. Be sure to check this setting while you're speaking at "show" volume. Turn up the beltpack's gain until the receiver's audio peak light flickers sometimes. If the receiver's audio peak light still does not flicker, set the beltpack's "input attenuation switch" to -20, and try setting the beltpack's gain control again.
- Once this level is set, try turning up the mixer.
- Let us know if the problem is still there. If so, there's something else we can do.
Cheers from Toronto!
Dan McLean Jr
www.MagicRoadie.com
"Taking the mystery out of stage technology!"
iwillfoolu
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Upstate NY, USA
746 Posts

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This has happened at many locations now, I was hoping it was a fluke to the venue but it wasn't. Even a lapel mic has to be turned up through the roof and then I risk feedback (even with the protection offered by the PD150)

I turned the gain all the way up and I couldn't get the light to flicker. I even tried w/ the input att at -20. It helped most when it was set at 0 with the gain turned all the way up. But there is still a loud dull noise that is only present when the headset is on. The mixer and the rest of the components work AWESOME together. Also I have to turn the wireless system up to 7 or 8 to get a similar output as a wired mic or recorded CD on 5 or 6.

Joe

BTW Thanks for all your help!
Magician and Balloon Twister
New York Magicians
Magician New York
Dan McLean Jr aka, Magic Roadie
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Toronto, Canada
793 Posts

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Quote:
On 2007-02-27 16:21, iwillfoolu wrote:
I turned the gain all the way up and I couldn't get the light to flicker. I even tried w/ the input att at -20. It helped most when it was set at 0 with the gain turned all the way up.
Joe

Joe,
With the beltpack's switch at -20 and the beltpack's gain a full, does the light flicker when you talk as show volume with the HEADSET mic?

Using the gain & switch procedure, with the LAV mic in its correct position and speaking at show volume, can you make the light flicker?
Dan McLean Jr
www.MagicRoadie.com
"Taking the mystery out of stage technology!"
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