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Intermittent, random, loud popping noises.

With just the speakers hooked up to receiver, no antennas or input devices, volume set at minimum, system makes loud popping noises. Also, whenever I press any control button on the front it makes a loud clicking sound through the speakers a minimum volume. I work in a hotel and whenever we use wireless mics there is a loud popping noise. I have tried to use different mics, different mic cords, new mixers, and lifting all the equipment off the floor and nothing happens. The popping is loud and seems independent from any other source do you have any advice to help?

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  • Jimix Eouex
    Jimix Eouex May 11, 2010

    Have you already used different speakers?

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  • 14 Answers

You have a problem with your amp. most likley the finals are passing dcv intermitently to the load.

Posted on May 30, 2008

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1 Answer

I have 2AKG UHFHT40ULTRA HIGH FREQUENCY handheld transmitter microphone , why when I turn them on they blink on and then notning ?


Okay, before going any further, let's just check....

  1. Along with your wireless mics, you have an AKG wireless receivers (e.g. WMS40 mini2), right?
  2. You've checked that mics and the receiver all work on the same frequency?
  3. You have connected both outputs from the WMS40 mini2 to individual mic channels on a mixing console?

Let's recap....

  • The AKG mics aren't going to work unless you have one of the matching receivers

  • The receiver has to be the correct type. This means if you want to run two mics at the same time, then you need a dual channel receiver (WMS40 mini2) otherwise they'll block each other. So, if you only have a single channel receiver (WMS40 mini) then you can only run one mic at a time, not two.

  • The mics and receiver have to be on the same frequency. They make it easy by colour coding the hand mics and the receiver. If the colours are different then they're working on different frequencies that are not compatible.


If you're good to go on all the above then the next stage is just the connection and set-up of the mics, receiver and mixer.

Since the mics are a pretty straightforward On/Off switch affair then there's not much to say there. Just make sure you maintain the correct distance for to ensure the wireless signal spreads out properly. It needs a minimum of 3m (about 10ft) distance between the mic and the receiver.

The receiver is straightforward too. It needs power, so make sure you plug in the mains adapter. The front LEDs give you the status of the signal. There's only two lights per channel, so it's easy to understand. RF OK confirms that the receiver is picking up the mic signal, so this one should be lit. AF CLIP let's you know when there's too much level from the singer/speaker. This could be that the receiver's volume control is set too high, or the singer/speaker is holding the mic too close for the volume they're producing.

The receiver's volume control needs to be adjusted fully counter clock-wise if connecting to a mixer by a balanced audio connection. If you're running in to the line level input, then the dial needs to be turned fully clock-wise.

The signal connection going to the desk should really be made with balanced leads. Jack to jack (TRS) or jack to 3 pin XLR will both maintain the noise suppression benefits of the balanced audio connection.

The rest is how you set up the mixer for the signal. Good luck.

Sep 14, 2014 | Audio Players & Recorders

1 Answer

Lavalier pdwm96 microphone


Well, 1st thing is you've bought one of the worst wireless mic's on the planet BUT if you insist on "hooking it up" here goes....

1. Mic connected and transmitter (with new battery) turned on.
2. With volume down, plug receiver directly into amplifier/PA 1/4" input.
3. Talk into mic and slowly raise volume of amplification system.
4. READ YOUR OWNERS MANUAL!!!

Feb 08, 2013 | Audio Players & Recorders

1 Answer

I am trying to hook the mic up to my computer in the location for microphones and it is not working. i also tried via my tv and stereo system. it will work to receive sounds if plugged into the phones


Using a microphone with computer

To use any microphone with your computer you will need to enable it in control panel. The following instructions are for Windows XP but are broadly similar for Vista and Win7


Click START, CONTROL PANEL, SOUNDS & AUDIO DEVICES


Click VOICE


In Sounds & Audio Devices Properties window locate SOUND PLAYBACK box. Click the VOLUME button. Make sure that there is not a check-mark in the MUTE box against microphone in the list of devices and that the volume slider is at the top of the scale.


Make sure the MUTE ALL box isn't checked before closing the window.


Now click the VOLUME button in the SOUND RECORDING BOX. Here SELECT microphone as an input source for recording (as opposed to un-checking mute in the playback controls).


NOTE if your microphone is not listed in the 2 sets of volume controls click OPTIONS, PROPERTIES on the tool-bar and place a check against microphone in the list entitled 'show the following volume controls' and then click OK. Same applies for Internal mic.


That should be it.


To adjust audio volume generally.

Under VOLUME tab adjust Device Volume as necessary. Also (under Loudpeaker Settings) click Speaker Volume and adjust slider to suit.


You might put a check mark in the box to show the volume control on the Task Bar so you can go straight to it to make adjustments in the future.

Feb 23, 2011 | Samson R31S Microphone

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I recently recieved a Bush Noise Cancelling Desktop Microphone M-013NC , i've plugged it into the back of the computer and turned all microphone volume settings upto full, but when i try using the sound...


There are two separate settings in control panel for record and playback. It appears you have playback enabled but not recording - see below

Using a microphone with computer

To use any microphone with your computer you will need to enable it in control panel. The following instructions are for Windows XP but are broadly similar for Vista and Win7


Click START, CONTROL PANEL, SOUNDS & AUDIO DEVICES


Click VOICE


In Sounds & Audio Devices Properties window locate SOUND PLAYBACK box. Click the VOLUME button. Make sure that there is not a check-mark in the MUTE box against microphone in the list of devices and that the volume slider is at the top of the scale.


Make sure the MUTE ALL box isn't checked before closing the window.


Now click the VOLUME button in the SOUND RECORDING BOX. Here SELECT microphone as an input source for recording (as opposed to un-checking mute in the playback controls).


NOTE if your microphone is not listed in the 2 sets of volume controls click OPTIONS, PROPERTIES on the tool-bar and place a check against microphone in the list entitled 'show the following volume controls' and then click OK. Same applies for Internal mic.


That should be it.


To adjust audio volume generally.

Under VOLUME tab adjust Device Volume as necessary. Also (under Loudpeaker Settings) click Speaker Volume and adjust slider to suit.


You might put a check mark in the box to show the volume control on the Task Bar so you can go straight to it to make adjustments in the future.


Feb 21, 2011 | Audio Players & Recorders

1 Answer

I've plugged the mic in for use on MSN on another computer, and I've moved it to another, now I'm trying to use it on MSN again, yet the mic doesn't even pop up on the devices list. Thank you for any...


Using a microphone with computer

To use any microphone with your computer you will need to enable it in control panel. The following instructions are for Windows XP but are broadly similar for Vista and Win7


Click START, CONTROL PANEL, SOUNDS & AUDIO DEVICES


Click VOICE


In Sounds & Audio Devices Properties window locate SOUND PLAYBACK box. Click the VOLUME button. Make sure that there is not a check-mark in the MUTE box against microphone in the list of devices and that the volume slider is at the top of the scale.


Make sure the MUTE ALL box isn't checked before closing the window.


Now click the VOLUME button in the SOUND RECORDING BOX. Here SELECT microphone as an input source for recording (as opposed to un-checking mute in the playback controls).


NOTE if your microphone is not listed in the 2 sets of volume controls click OPTIONS, PROPERTIES on the tool-bar and place a check against microphone in the list entitled 'show the following volume controls' and then click OK.


That should be it.


To adjust audio volume generally.

Under VOLUME tab adjust Device Volume as necessary. Also (under Loudpeaker Settings) click Speaker Volume and adjust slider to suit.


You might put a check mark in the box to show the volume control on the Task Bar so you can go straight to it to make adjustments in the future.

Feb 17, 2011 | Labtec Microphone Microphone

1 Answer

Just purchased Samson dynamic microphone. Can we use this with a portable stereo or computer? If yes, how does it work? What do we do to set it up?


You can use it with a portable stereo that has a microphone input socket - just plug it in. You may need to adjust a mic volume control - this will vary from one system to another.



With a computer just plug it onto the microphone input socket (usually colour coded red or pink)



You will also need to enable it in 'control panel' - see below.



Using a microphone with computer

To use any microphone with your computer you will need to enable it in control panel. The following instructions are for Windows XP but are broadly similar for Vista and Win7


Click START, CONTROL PANEL, SOUNDS & AUDIO DEVICES


Click VOICE


In Sounds & Audio Devices Properties window locate SOUND PLAYBACK box. Click the VOLUME button. Make sure that there is not a check-mark in the MUTE box against microphone in the list of devices and that the volume slider is at the top of the scale.


Make sure the MUTE ALL box isn't checked before closing the window.


Now click the VOLUME button in the SOUND RECORDING BOX. Here SELECT microphone as an input source for recording (as opposed to un-checking mute in the playback controls).


NOTE if your microphone is not listed in the 2 sets of volume controls click OPTIONS, PROPERTIES on the tool-bar and place a check against microphone in the list entitled 'show the following volume controls' and then click OK. Same applies for Internal mic.


That should be it.


To adjust audio volume generally.

Under VOLUME tab adjust Device Volume as necessary. Also (under Loudpeaker Settings) click Speaker Volume and adjust slider to suit.


You might put a check mark in the box to show the volume control on the Task Bar so you can go straight to it to make adjustments in the future.

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1 Answer

Microphone not working


hello there, Many steps to do

1. For your AirLine system to work correctly, both the receiver and transmitter must be set to the same channel. and check to make sure that the supplied receiver and transmitter are set to the same channel.

2. Physically place the receiver where it will be used (the general rule of thumb is to maintain "line of sight" between the receiver and transmitter
so that the person using or wearing the transmitter can see the receiver). The CR77 can be rack-mounted if desired (taking a half-rack
space), using an optional Samson adapter kit. The UM1 can be mounted to a video camera using the supplied velcro.

3. Extend the receiver antenna(s) and place it (them) in a vertical position. Make sure the Power on-off switch in your AH1 transmitter is set
to "Off."

4. Gently pry off the battery cover off the AH1 transmitter and slide it upwards and off to open the battery compartment. Please use care
when opening this cover as undue force will destroy the hinge.

5. Place a fresh AAA alkaline battery in the transmitter battery compartment, taking care to observe the polarity markings. Then replace the
battery cover and gently press down on it until it clicks. Leave the AH1 off for the moment.

6. Make the physical cable connection between the receiver output jack and a mic level audio input of your amplifier or mixer. The balanced
XLR jack is preferable, since it will deliver an electromagnetically cleaner signal. If required, both the balanced and unbalanced outputs
can be used simultaneously. If your system contains a CR77 or UM1 receiver, be sure to set its Audio Output Level switch correctly (see
pages 7 and 9 for details). Leave your amplifier (and/or mixer) off at this time.

7. Turn the Volume, Level or AF Level knob on the receiver completely counterclockwise. Connect the supplied AC adapter to the CR77
receiver and plug it in (the UM1 receiver can also operate off battery power or a 12 volt power supply from a connected video camera), then
plug the adapter into any standard AC outlet. Slide the Power switch in the direction of the arrow to turn on the receiver. If your system
contains a CR77 receiver, its "Power" LED will light steadily red. (Note: The UM1 receiver has no "Power" LED indicator.)

8. Turn on the power to your AH1 transmitter (using its Power on-off switch); the "Power/Battery" LED will flash if the battery is sufficiently
strong (if it lights steadily, the battery has less than 2 hours of power remaining and should be replaced). If your system contains either a
CR77 or UM1 receiver, one of the "A/B Receiver" LEDs will light, showing you whether the (left) "A" or (right) "B" receiver is currently being
used. The CR77 / UM1 meter will also indicate the strength of the incoming RF signal.

9. Now it's time to set the audio levels. Turn on your connected amplifier and/or mixer but keep its volume all the way down. Make sure
that the AH1 transmitter is unmuted (its Mute switch should be positioned away from the arrrow). Then set the Volume, Level or AF Level
knob on the receiver fully clockwise; this is unity gain.

10. Speak or sing into your headset mic (or play the instrument to which the horn mic is attached) at a normal performance level while
slowly raising the volume of your amplifier and/or mixer until the desired level is reached. The UM1 receiver allows you to monitor the
transmission signal using standard Walkman-type 30 ohm headphones connected to its headphone jack.

11. If you hear distortion at the desired volume level, first check to see whether the "Peak" LED on the receiver is lit . If it is not lit, make sure
that the gain structure of your audio system is correctly set (consult the owners manual of your mixer and/or amplifier for details). If the
"Peak" LED is lit, simply move the microphone further from your mouth.

12. Conversely, if you hear a weak, noisy signal at the desired volume level, again make sure that the gain structure of your audio system
is correctly set (consult the owners manual of your mixer and/or amplifier for details) and that the Volume, Level or AF Level control of the
receiver is fully clockwise. If it is and the signal coming from the receiver is still weak and/or noisy, simply position the microphone closer to
your mouth.

13. Temporarily turn down the level of your mixer/amplifier system and turn off the power to your transmitter, leaving the receiver on. Then
restore the previously set level of your mixer/amplifier. With the transmitter off, the receiver output should be totally silent-if it is, skip
ahead to the next step. If it isn't (that is, if you hear some noise), you may need to adjust the receiver Squelch control. When the Squelch
control is at its minimum setting, the AirLine system always provides maximum range without dropout; however, depending upon the particular
environment your system is used in, you may need to reduce that range somewhat in order to eliminate band noise when the AH1transmitter is turned off. To do so, use the provided screwdriver to rotate the Squelch control completely counterclockwise (to the "Min"
position), then slowly turn it clockwise until the noise disappears. If no noise is present at any position, leave it at its fully counterclockwise
"Min" position (so as to have the greatest overall range available).

Thank you and if you any more help let me know and don't forget to Rate

Jan 26, 2011 | Samson Airline 77 Aerobics Wireless...

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2) Make certain the output of the SLX4 receiver plugged into a microphone input, not a line input on your mixer.

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