Shure SM7B "Whitenoise"
Old 28th May 2012
  #1
Gear nut
 

Thread Starter
Shure SM7B "Whitenoise"

I just bought the Shure SM7B today. I tested it on my Focusrite Saffire Pro 24 Interface.

I noticed that there is a lot of "whitenoise"(I dont know what you call it, but its that hissing.

I checked with another microphone that I had and there was a lot less noise.

Apparently this SM7B need A LOT of gain.

Do you guys have a solution?
Old 28th May 2012
  #2
Gear interested
 

Just as a quick reminder, you're not using pp on the sm7b correct, being that it is dynamic.
Old 28th May 2012
  #3
Quote:
Originally Posted by GerardCB View Post
I just bought the Shure SM7B today. I tested it on my Focusrite Saffire Pro 24 Interface.

I noticed that there is a lot of "whitenoise"(I dont know what you call it, but its that hissing.

I checked with another microphone that I had and there was a lot less noise.

Apparently this SM7B need A LOT of gain.

Do you guys have a solution?
Cloudlifter.
Old 29th May 2012
  #4
Lives for gear
 

Triton Audio Fethead or Cloudlifter. $100-150.

Gives you 25db of clean extra gain so you dont have to crank your interface's gain up to the point it hisses... you are hearing the noise floor of your interface, not the mic.
Old 22nd May 2015
  #5
Gear interested
 

Cheap XLR cables before the pre?

Hi

Just fixed my SM7b noise issue be exchanging the XLR cable before the pre with a more expensive "pro" labeled cable. I guess the standard Thomann snake XLR arnt proberly shielded and before the pre any noise induced will be amplified along with the audio. It removed my noise problem which where fullspectrum whitenoise and slightly audible in recordings when going above 60dB gain on my GA Pre-73 DLX (also there with my fethead on lower gain settings). Now im considering what to do with the rest of my cheap XLRs, sigh...

Old 22nd May 2015
  #6
Lives for gear
 

Hi
NO cables produce 'hiss' on their own. If changing a cable really does alter the 'hiss' then in reality something else is going on, either the shielding is a bit suspect, in which case moving the route of the cable away from a source of RF interference may 'solve' it, or the original cable is wired incorrectly.
All cables are simply bits of copper or other conductor inside some insulation, nothing magic here, and they simply do not 'create' hiss, in the same way that a brick placed on the floor does not jump up and down of it's own accord.
Matt S
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