Question about Shure SCM810 Microphone

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I have a Shure SCM 810, the problem that I am having is when the Gains/Volumes are turned down the mixer still emits a noise intermittantly. The emitted noise sounds like a boiling kettle. Have you encountered this problem before?

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Give Shure a call at 847-600-8440. They can help you troubleshoot the problem.

Posted on Nov 10, 2010


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1 Answer

I hear a white noise when I connect microphone with mixer (Behringer DX2000)

You posted this in questions about the Shure PG42 mic. That mic comes in two versions. There's the USB version which connects direct to a PC. Then there's the standard version which is used with a mixer. I presume you have the standard version as the Behringer doesn't have inputs for USB mics.

The standard version is a condenser mic. It needs power. The power is supplied by the mixer. It is known as phantom power because it travels up the mic cable from the mixer to the mic.

  • Make sure your mixer has phantom power switched on.
  • Use the correct mic cable: Either a 3 pin XLR to 3 pin XLR, or a 3 pin XLR to 3-pole jack (TRS). The leadis a balanced mic cable

  • Check the setting on the mic for attenuation. 0dB is no reduction in signal level. 20dB is a large reduction

  • Look at the Behringer's settings. Make sure you know what each control does and how it affects the sound. Pay particular attention to the effects send and return (FX SND RTN)
Most times there's an issue with no sound from a mic, it's usually down to a poor quality or broken cable; or no power; or the settings on the mixer.

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What causes noise on Powered mixer

The noise you are hearing is probably coming from the power supply to the wireless microphone system.

I would suspect a "ground-loop" problem.
(Google that if necessary )

Best course of action would be to MUTE that channel on the mixer OR find the source of your "ground-loop" problem.


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Shure KSM27

It's likely that some component inside the microphone has gone bad.You'll probably want to send that to Shure for repairs. Their repair information is at

Nov 19, 2011 | Shure KSM27 Professional Microphone

1 Answer

Mixer is introducing crackling sound intermittently to the process

Isolate one channel at a time to see if a particular channel is the problem. Make sure ALL interconnected equipment is powered from the SAME receptacle or power conditioner. A remote amplifier MUST be powered from the same source as the mixer, even if it requires a separate run to power it. Make sure all cables are BALANCED, either XLR or TRS cables. Sometimes a cable can have a broken wire or shield and cause this.

Jun 16, 2011 | Shure Distribution Shure SCM268 4 Channel...

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I have a YAMAHA GA 24/12 mixer and 10 aux (all) no

Check that you have the gains INTO the aux channel from each strip you want routed there turned up... AND... the gains OUT of the aux turned up. Two places to adjust the gains.

The AUX LIKELY use TRS balanced outputs... check that you are using those.

These are a starting point, I do not have a manual for this device.

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1 Answer


If trim controls or gains are set near maximum, HISS is normal as electronics generates a thermal type noise.

If gains are set in normal operating area, the noise SHOULD be minimal.

Other sources of interference like nearby radio transmitters, welders, arc lights, etc. can create noise.

Start with ALL gains turned down and find which if any cause the noise to be unacceptable.

MAKE SURE all power to this and ALL the other connected equipment come from a single receptacle to avoid ground loops.

Jan 02, 2010 | Yamaha Mg82cx Stereo Mixer

1 Answer

Micro shure ams26

Unfortunately there is nothing that you can do. These mics are designed for user ONLY with Shure products as shown in the exceprt from the user manual below:

AMS microphones do not use standard phantom power. Only
use the 7 Vdc bias power provided by and AMS mixer. Connecting
the microphone to any other mixer or power source may
damage the microphone.


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1 Answer

Pioneer DJM-600 black Professional DJ power on but not working!! i check bouth the fuses and are working i can see that is power in te mixer but no answer with any signal of leds or music signal

So you get power to the unit, but no sound coming out? How about through the headphones, do you get sound coming out of the headphones?

Are all the volumes and gains raised up? All the eq's are up? Check the back of the mixer, there is a master gain volume - where the connections are - make sure this is up also.

If nothing, then you'll need professional help at this point.

DJ Equipment Repair & Service
A DJ Pro Audio Co.

Sep 23, 2008 | Pioneer DJM-600 Silver Professional DJ...

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