Question about Boston Acoustics BA745 Computer Speakers

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My woofer and speaker make a lot of static and one speaker does't have any sound, it seems that when I move the blue connection the one from the speaker to the woofer the woofer gets louder and so does the speaker but all I hear is static and I can also feel the air coming from the woofer.

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The speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good
be sure to wear an anti static earth strap before touching anything inside your computer
try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the CPU central processing unit and your sound card dust causes static to build up in a computer causing it to overheat any many other problems
hope this helps

Posted on May 29, 2011

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2 Answers

SPEAKERS WORK, WOOFER DOES NOT


as far as i know these speakers contain the and everything else in the subwoofer. The good news is that the system itself works, as the speakers produce sounds. If you feel like taking the system apart yourself , you may check for some wires that got de-attached from the subwoofer, if not, i would advise you to take the system to check it by technical support.

Jan 18, 2014 | Boston Acoustics BA745 Computer Speakers

1 Answer

MX6050D Subwoofer Issues


Hello, welcome to Fixya!

Fault is either from the main system or the sub-woofer itself.

You need to test both unit in order to detect which of the two is giving the fault, so that you can concentrate on the faulty unit.

Test the woofer with a AA battery or any other battery. Put your ears close to the woofer and observe if you will hear any sound. If the woofer makes sound, then it means the woofer is working, but if it doesn't make sound, then it means the woofer is defective. Or you can disconnect one of the working speakers and connect the woofer to that part. If there is no sound, then obviously, the woofer is defective.

If the woofer seem to be working, then the unit needs to be tested also.

Connect one of the working speakers to the sub-woofer's section of the main unit. If the speaker doesn't bring out sound, check the system's menu settings, check the volume and make sure the sub-woofer volume is raised to the highest level and not on mute. ( Note that most Theater systems has separate volumes for each speakers). If the volume is raised to the highest level and there is still not sound from the woofer part, then it means the woofer channel has burnt. It could be a fuse or a defective channel. At this point, I think you need help from a repairman.

I hope the above is clear.

Regards.

Nov 17, 2011 | Audio Players & Recorders

1 Answer

On my peavey pro 15 neo speakers i don't know which wire is for what. What is the black, red, blue and yellow wires for?


black and red will goto 1 speaker. and blue/yellow to the other. typically red and yellow are + and black and blue are -. the crossover board might tell you which is which where they solder to it. but i'm pretty sure the black/red goto woofer. try hooking up both to woofer and listen to it. 1 way is going to sound horribly wrong lol. that will mean you hooked up the tweeter leads to the woofer. but DO NOT HOOK UP WOOFER LEADS TO TWEETER. thats why i say to do it on woofer.

Aug 30, 2011 | Peavey PR15 400w PA Speakers

1 Answer

All static from the sound bar. adjustments don't help. tried different cables - that didn't help. System is not usable at this time.


The manual...

http://www.retrevo.com/search?q=Boston+Acoustics+TVee+Model+Two

Page 7

Distorted sound from the Soundbar.

Change the Trim Level switch setting to a higher number.
Check the signal source to be sure the distortion is not originating there. <<<<<<<<<

The woofer seems to have interference with its wireless signal.

Try changing settings of the Wireless ID switches on both the soundbar and bass unit. <<<<<<<<
The bass unit could be too far from the soundbar to get a good signal. Try moving it closer.

What is the source device that results in static? How is it connected?

Feb 08, 2011 | Boston Acoustics TVee Model Two TV...

1 Answer

I recently purchased a new Denon AVR-391 receiver and am having a problem hooking up my subwoofer. It seems that the Denon has a pre-out RCA looking output and my subwoofer uses conventional speaker wire. ...


Hi,
Your sub-woofer apparently does not have an amplifier built into it. This type requires you to use your front left and front right speaker output to got through it to your regular speakers. It is called a passive sub-woofer for that reason.
To set it up, Connect your front speakers to the "output" of the sub. It should say "to speakers" on it.
Then connect the Speaker Outputs for the left front and right front on your Denon AVR-391 directly to the Sub. It should say on the back of the Sub "to amplifier".
Here is some theory you should know, if you don't already know it, that will help you get a satisfactory result in setting up this system.
There is a condition on setting up all speakers and subs that not everyone know. It's call "phase alignment". Phase alignment (A Good Thing) refers to all of the speakers in a system moving in the same direction (in and out) at the same instant in time. This gives you much clearer sound and better response from your sub-woofer.
Phase Cancellation (a bad thing) is when some of the speakers are moving out and other moving in during the very same instant in time. It causes problems in sound.
IN A SUB-WOOFER, IT CAN CANCEL OUT THE LOW NOTES.
Here is how to handle it:
On the back of the receiver the speaker terminal outputs are colored Red and Black. Black is considered negative and Red is considered positive. On the back of the Sub woofer and on the speakers the same colors apply. MAKE SURE THAT ALL OF THE CONNECTIONS GO BLACK TO BLACK AND RED TO RED WHEN CONNECTING UP THE SPEAKER WIRES.
The system will work either way. But you will have severe bass loss if the woofer wiring is out of phase because of phase cancellation.
Hope this helps,
Best Regards,
Mark


"Phase Cancellation"

Jan 05, 2011 | Audio Players & Recorders

1 Answer

Static noise in Yamaha HS50 monitor


Sounds like the voice coil is damaged on the woofer. If you GENTLY press in on the woofer cone, and release, you should not hear any scratching noise. If you hear noise, the woofer needs replacement.

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1 Answer

Static but no music from the satelite trebble speaker


Try to reconnect all the wires, the problem seems to be with connection. Instead of spending lot of money on speakers, you can buy just the wires, they are pretty cheap. Hope this helps.

Jul 25, 2009 | Altec Lansing VS4121 Computer Speakers

1 Answer

Woofer not working


hi..
sounds like the voice coil could be open or damaged. the woofer can be reconed. reconing replaces all the moving parts in the speaker frame returning to new condition in most cases.

thank u
rate me

Jul 21, 2009 | Alesis M1-Active MkII Main / Stereo...

1 Answer

My harman/kardon speakers has static noise but no sound


The first thing is to make sure the speakers are bad. You can seitch them around from side to side if only one of them is bad, if the one speaker still has bad sound, thats your problem. You can also test the woofer of the speakers. Just push in on the woofer with your fingers to move the woofer in and out (with the stereo off). You should here nothing, if you do, the speaker is bad. If both speaker are bad, expecially if they went bad at the same time, the stereo is bad, expecially if you are getting the static with the stereo on and the volume all the way down. Going buy your problem I thing that your stereo is bad. It will need tobe repaired.

Mar 20, 2008 | Audio Players & Recorders

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