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JDub

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  • Location
    UK
  • About
    Beginner one man band
  • Interested in Sound for Picture
    Yes
  1. I feel like this is the case too i.e. not the MKH50. There are no issues with the MKH50 my USB audio interface (Audient Evo 4 which delivers 48V Phantom Power). I have tried a couple of other XLR mics but they do not exhibit this noise on the Sony XLR K3M that I can tell. Unfortunately I do not have an external phantom power box. I will try and clean the hot shoe contacts like you suggest. What are your thoughts on it being a cable issue? Thanks Derek. Unfortunately I don't think I know anyone with a soldering iron. I will try another cable at the office tomorrow and see what effect that has. If not I will hunt down a soldering iron or try that other cable. Thank you for your help!
  2. This may well be the case. I have put it in Airplane mode and tested but it makes no difference. It may of course still be generating RF. The MKH50 is brand new and purchased 2 weeks ago so should be a latest updated model. I have checked the screws near the XLR connector and they are also tight. Thanks for the link to the post from 2013 - very interesting. I shall continue troubleshooting using this. Interestingly, when testing, I accidentally placed the MKH50 near a magnet and it changed the tone and also completely stopped in one position, the whining noise. You can hear this here: https://www.dropbox.com/s/w0avs9yumkfvv4t/Varying whine.wav?dl=0 - not sure if this helps pinpoint the reason?! Thanks so much for your input. Thanks Patrick, I have double checked the two Allen screws and they are both tight. Interestingly, when testing, I accidentally placed the MKH50 near a magnet and it changed the whining noise tone and also completely stopped in one position. You can hear this here: https://www.dropbox.com/s/w0avs9yumkfvv4t/Varying whine.wav?dl=0 - not sure if this helps pinpoint the reason?! Really appreciate you chipping in. I have a lot to learn with regard to audio but am finding it really interesting. Thanks Derek, I will look into this. All very new to me at the moment.... does this cable fit the bill? https://www.designacable.com/catalog/product/view/_ignore_category/1/id/4527/s/neutrik-emc-xlr-to-xlr-lead-van-damme-starquad-cable-balanced-boom-mic/ -10db pad is turned off. It definitely seems to be specific to using the MKH50 with the Sony K3M Adapter. If I put the MKH50 into my Audient Evo 4 USB interface I don't get the high pitched whining at all. Something about the two of them together seems to be the issue. Interestingly, when testing, I accidentally placed the MKH50 near a magnet and it changed the whining noise tone and also completely stopped in one position. You can hear this here: https://www.dropbox.com/s/w0avs9yumkfvv4t/Varying whine.wav?dl=0 - not sure if this helps pinpoint the reason?!
  3. I know I'm a total novice and will probably look stupid in this group full of experts, but can anyone help with an audio related issue with my Sennheiser MKH50 P48... I have recently purchased a Sennheiser MKH50 P48. I am doing talking head work and plugging my MKH50 into a Sony XLR K3M which is connected to my Sony A7Siii. I am finding with the MKH50 that I am getting this very high pitched noise on my recordings. When I use my other XLR Microphones (I have tried two different ones) on the K3M I do not get this noise. As you can imagine I am tearing my hair out! You can listen to a sample of the noise here which is a WAV file - https://www.dropbox.com/s/lguudvie3afjjue/MKH50.wav?dl=0. (You can hear my bathroom fan running in the background sorry) Interestingly, If I plug the MKH50 into my USB audio interface for my laptop (Audient EVO 4) I do not get this high pitched noise either. Is anyone with with audio knowledge able to help diagnose what might be the problem? As it stands I feel that I can't use my new mic with my Sony XLR K3M. You will have to forgive me as I am not an audio expert but would really appreciate the kind help of those more knowledgeable than me.
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