Getting feedback from laptop when no headset plugged in!
Purchased a headset 2 days ago, and since plugging it in, whenever I unplug it from my laptop (E-System 1212) the laptop emits a loud screeching noise which gets worse when I put my hand or any other object near the headset plug. Help! It was absolutely fine until I plugged in my headset for the first time - now it is driving me insane! It seems to be picking up every single little noise, including my use of the touch-pad. I have tried googling the problem but there doesn't seem to be anything out there that can help me. Save my sanity! Thank you :-)
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It sounds like you accidentally managed to wreck it but if you are lucky and there is a fuse you may be able to repair it however there is not a market for specialized fuses. If you are especially lucky and it uses a basic fuse these can be found at any general electronic shop. In the future please watch that the area is set up so that the system will not receive feedback, so noones laptops connected to the meeting having their individual sound on or in general having any microphones set too close to speakers.
That sounds like a floating ground problem. The UT-5 is a beltpack transmitter, right? What microphone do you have plugged in to it? We use a Countryman headset with a Sony beltpack, and there are components inside the connector for our setup.
Try unplugging the microphone and see if you can make the beltpack buzz without a microphone. If so, then it's in the beltpack. If not, it might be the mic cable.
The speakers MUST be in front of and pointing away from the microphone.
I don't know what you mean by "crystalized" as that mic is a dynamic type.
If the speakers are in back of you you WILL get plenty of feedback. If you must run that way, then you need an anti feedback processor. The device shifts the pitch slightly so that feedback can't occur.
1-apply a spray contact cleaner in the socket of your headset(the place which you put the plug of the headset)and insert the plug many times---in--out(you can obtain the contact cleaner from radio shack near you).
Check the headset closely around the mic capsule and ear attachment for placing the mic on your ear. This is prone to problems from bending the mic to fit different people. You may find a break in the metal under clear rubber material. Also the cable itself could have a problem. Countryman sells the cable and it unplugs rather easily. There is a junction in the cable that is actually a plug. You can pull it apart there. Be careful as the mic is very expensive. Also countryman provides excellent technical support. Good luck.
Yes, it could. With age it may become less directional. It probably sounds okay but just doesn't discriminate against sounds from the rear as well. Shure will put in a new element for not too much money.