Question about Behringer Truth B2031a 225-watt Powered Studio Monitors

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One of my monitors when i turn it on making a strange noise and dont work properly.how to sort it?

Its making a strange noise very strong sound like power cicuito or something..

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When used, it seems to effect guitar amplifiers and cause a strange sort of a chorus sound, like somehow the unit is bleeding into the other amps.


it maybe interference picked up through an unsheided or poorly sheided cable or through single coil type pickups rather though the amp itself. You might also try get your power for the amps and this unit through different circuits.

Mar 20, 2015 | Roland Boss VE-20 Vocal Performer

1 Answer

I'm using 2 different power amps and the monitor (M) will not work unless I have the L=R sliders up or I can put the M send in the R and it will work the monitors separately. Why and what am I doing w


1st....the output section, "M" stands for mono. The A&E does not have "monitor" sends per say but instead calls them "Aux's." Adjust the proper Aux for the input channel 1-16 and use the Aux output section (row of knobs above output sliders) as the master volume. By using Aux 1-4 (and with more amps) you could send 4 discrete monitor mixes to four different band members. Bass likes his monitor strong but doesn't want to hear other members while guitarists want to hear only himself and the singing drummer...etc.

May 30, 2014 | Allen & Heath Mix Wizard Wz3 16:2...

1 Answer

Xenyx mixer effects


USERNAME OR PASSWORD WANT ME

Dec 17, 2013 | Music

1 Answer

Psr 60 no sound


Are you using the original PA-4 power adapter that goes with this unit? Using the wrong one would cause it to not work properly. Weak batteries would do the same. A generic power adapter would also, if working would cause static noises in the sound. The PA-4 is an odd unit, it is 10volt DC at 1 amp output. IF the one you are using is less than 1 amp, meaning if it says 400mA or something with an "m" in front of the A, UNLESS it is at least 1000, then it isn't strong enough to work correctly, EVEN if it powers up. If you have the wrong one, you can find it here:

https://www.google.com/search?q=Yamaha+PA-4+power+adapter&hl=en&source=univ&tbm=shop&tbo=u&sa=X&ei=kPFbUeb1LoPk9ATzwIDwBw&ved=0CD8Qsxg&biw=1440&bih=756


I hope this helps you.

Mar 31, 2013 | Music

1 Answer

My gibson gas range making strange noise


Confusing, sounds like your describing a stove but is listed under musical instruments? Does you musical stove have a timer?

Mar 05, 2013 | Music

1 Answer

Yamana DGX 630 E keys make strange sound


Perhaps the performance assistant technology is turned on.
Press the [PERFORMANCE ASSISTANT] button to turn it off.

Jan 12, 2013 | Yamaha DGX630 - Digital Piano

1 Answer

I have a problem with my behringer b3031a truth studio monitors.Slightly before a sound it's played (and during the playing) they make a little buzz. Ex. I turn on Windows Media Player and as long as...


The fault is not with the speakers... It is with the noisy audio system common in computers. Get a decent USB audio interface and use balanced interconnect cables to solve the problem.

Aug 02, 2011 | Behringer B3031A 2-Way Active Studio...

1 Answer

My Marshall Haze 40 Amp started making a very loud humming noise after a couple hours of playing.I let it cool down,and turned it back on and the noise came back after a few minutes


may be one of the electrolytic capacitors in the power supply has become leaky...this is a common problem among amplifiers...so you let it cool down..then after a period of time the capacitor heats up and then causes the hum...the power supply caps filter out the 60 hertz ac line noise...which is probably the frequency of the sound it is making...this is a good indication of these caps going bad....another thing you can check is to see if the amp is properly grounded(eg: the ground pin on the plug is present) and that you dont have an open cord or input

Jul 10, 2011 | Marshall Amplification Marshall Haze 40...

1 Answer

Got a "Dwell" effect when


It sounds like you have cable in the wrong ports. Make sure your cabling goes in to out on all ports. Also make sure no cable are bent or heavy equipment on top of it. If your getting sound but sounds like muted sound its either cable in the wrong place bad cable or amp setting is to low.

May 04, 2011 | TC Electronic Classic Sustain & Parametric...

1 Answer

Sound comes and goes on the drive channel, and there is a strange crackling on the clean channel. i dont know if its the tubes, the speaker, or electronics.


Using a common lead pencil, gently tap on the smaller tubes in the unit, listening for noises and crackling to change and the drive channel changes.

It is normal to get a slight twang when doing this from the microphonics of the tubes, however, the crackling and up and down volume points to a bad tube.

Sep 03, 2010 | Fender Hot Rod Deluxe Guitar Combo...

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