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165,427 members
176 posts
  • MiMAO
    Contributor - Level 1
    2019-10-03

    Hey, I purchsesed the MPA40BT-PRO three Months ago and tried to use the battery powered mode for the first time last week, it lasted 10 minutes instead of the promised 12 hours...

    I assume that it has a faulty battery, where do I get a replacement. 

    Thanks, Pat

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  • MiMAO
    Contributor - Level 1
    2019-10-03

    Hey, I purchsesed the MPA40BT-PRO three Months ago and tried to use the battery powered mode for the first time last week, it lasted 10 minutes instead of the promised 12 hours...

    I assume that it has a faulty battery, where do I get a replacement. 

    Thanks, Pat

    read more...
    0 65
  • Jors
    Contributor - Level 2
    2019-09-24

    Hello!

    Purchased 2 B115W some months ago.

    Anyone knows which bluetooth audio codecs are supported? (despite SBC).

    AAC? LDAC? APTX?

    Many thanks

    0 93
  • AyChords
    Contributor - Level 3
    2019-07-28

    What is the Foot Switch used for in the THRUTH B2029A studio sub woofer?

    0 163
    • AyChords
      RexBeckett

      @AyChords 


      According to the User Manual, the footswitch can be used to mute the sub and bypass the crossover. This allows comparison of the sound with or without the contribution from the sub woofer. 

      • July 27, 2019
  • usonianhorizon
    Contributor - Level 2
    2019-06-21

    We have an upcoming conference with 60 participants in an overall space of 105' W X 18' D X 10' H.  Orientation may switch with screen and speaker along short wall.  Spoken word only.

    I wanted to find out if this system might suffice for this volume of space?


    advTHANKSance.

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    1 304
    • usonianhorizon
      KenMitchell

      Hi Pavneet ( @usonianhorizon ), 


       


      Welcome to the community.  It should work just fine although you'll want to consider proper speaker placement. Those room dimensions are almost a hallway so I definitely would present from the short wall.  Assuming the audience will be sitting in chairs, you'll need about 10 rows of 6 chairs each which puts the back row at least 30 ft from the front row. No problem for a 500W PA. 


       


      I'd recommend you get a pair of speaker stands and also consider the ULM wireless mics if the presenter isn't standing at a podium. Most presenters, particularly those with less experience, prefer the wireless freedom. However, you need to make sure to place the speakers far enough forward so the presenter (and mic) never get in front of the speakers. 


       


      Hope this helps, 


      Ken


       

      • June 22, 2019
    • usonianhorizon
      usonianhorizon

      Thanks for your detailed reply, @KenMitchell .


      Yes, we would like to use ULM mics, but haven't found an update to the dongle weakness problem posted on this video (suggested on the Behringer product page):


      Behringer ULM Ultralink Mic problems at Northern Beaches PA Hire


      Plus, I am not clear on the difference between the 200 and 300 series mics.


      Regards.

      • June 23, 2019
    • usonianhorizon
      RichardYClark Basically the 200 series use the USB dongle as the receiver. And yes it does stick out if connected straight into a USB socket on the back panel of a Behringer powered speaker. Answer. Use a short USB extension lead so that it can be kept flat to the back panel with Velcro or similar. The 300 series comes with a proper receiver rack with analogue audio out like any other traditional wireless mic.
      • June 23, 2019
    • usonianhorizon
      RichardYClark To put your mind at rest I only thought of it as I answered your post. I have been using it sticking out and liable to damage. Doh!
      • June 24, 2019
  • Kferg
    Contributor - Level 2
    2019-06-03

    I'm new to live sound. Can someone help me on how to set up these speakers without blowing them. Any help will be appreciated 

    0 224
    • Kferg
      RexBeckett

      @Kferg 


      Hi Kevin, welcome to the community.


       


      We may be able to help if you tell us about the rest of your sound system and how you want to use it. Are you feeding the B15Xs from a mixer? 


       


      The DSP in the B15X includes LF and HF limiters to protect the drivers from overload. This doesn't mean that it isn't necessary to adjust signal levels in the sound system but it makes it less likely that excessive levels would cause damage.


       


      One important point is that the B15Xs (and any other active speakers or amplifiers) should be powered-on last - after every other part of the system is on and stable.  They should also be powered-off first when shutting down.

      • June 3, 2019
    • Kferg
      Kferg

      I'm using a yamaha 12 channel mixer and sometimes I use bluetooth to run my music through them. On the speaker there is a bar graph type thing that shows input. Just not sure where it should be exactly. And the speakers came with know information at all. 

      • June 3, 2019
    • Kferg
      RexBeckett


      @Kferg wrote:


      I'm using a yamaha 12 channel mixer and sometimes I use bluetooth to run my music through them. On the speaker there is a bar graph type thing that shows input. Just not sure where it should be exactly. And the speakers came with know information at all. 





      @Kferg 


      You can download the user guide here. It gives some instructions for setting the built-in mixer's input and output levels. The most important level display is the output (right) one - it should not reach the top (clipping).

      • June 3, 2019
  • McElviss
    Contributor - Level 2
    2019-05-30

    We're using a pair of B115Ds as our PA system for our three piece band that plays rock covers in bars. We only usually put one vocal mic and a guitar DI through it, but occasionally we mic up the bass drum (but we're looking to buy a sub for that).

     

    My question is on where to set the level control. If I was using passive speakers with separate power amps, I'd have the power amps on full (ie 0dB) and then control the volume from the desk. With the B115Ds, does the same principle apply? Shoud I have the output set to Max and then control volume by limiting the signal from the desk? I guess the quustion is whereabouts on the dial is 0dB? What has confused me is the marking that says "Line" and then "Mic". Am I risking damage/distortion if I put a line level signal inand have the level set way into the "Mic" region of the control?Capture.JPG

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    • McElviss
      RexBeckett

      @McElviss 


      The best way is to first set a good gain structure on the mixer, set the output fader to 0dB and then raise the gain on the speaker to get the required volume level. Setting the speaker gain too high could result in distortion with line-level signals.

      • May 30, 2019
    • McElviss
      RichardYClark

      Certainly yes to Rex's reply. But as a rule of thumb I have found that with Behringer mixers and various powered speakers I have found the 12 o'clock position to usually be a good starting point.


       


      P.S. Why are the latest posts not word wrapping properly all of a sudden? 

      • May 30, 2019
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