Question about Boston Acoustics BA745 Computer Speakers

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BA745 Sub bass quit working....All other speakers work...Checked dc voltage to speaker...No voltage...Fuse on board is good....Is the board bead? If so can I purchase one?

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  • danmusielewi Sep 01, 2008

    My BA745 Sub just stoped working. There is power just does not work, can I fix it. Take it apart and do something with it?

  • DCMae Nov 28, 2008

    My Boston BA745 sub speaker stopped working also. The other speakers still work. Can this problem be fixed or should I get new speakers. Can you recommend a brand that gives excellent sound and quality at a price under $50.00. Please answer in plain English. I don't know computer slang.

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Sub bass quit working....All other speakers work...Checked dc voltage to speaker...No voltage...Fuse on board is good....Is the board bead? If so can I purchase one?

Posted on Nov 27, 2008

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Yes bad bord so cheap on these u can kick bass out like u wanna best bet referb kilspsh on ebay 70 bucks bass on them rocks ok

Posted on Jan 16, 2008

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I recently installed Windows 7 and my Boston BA745 speakers will not work. I'm looking for driver or other solutions.


1) Try the portable player test. Unplug the speakers from the computer and plug them into the headphone output of a portable-type stereo product. This test should produce sound. If it does the problem is most likely in the soundcard, or in your internal volume settings. You should contact your computer's support group for further help in those areas.

2) Is the green power light illuminated? If not, you could have one of two possible causes. The first and less serious issue is that the power supply is not outputting the correct voltage. You can test the power supply with a voltage meter or you can always take the power supply to any electronics store and have it checked there. If it is not outputting the correct voltage (12VAC), contact our parts department for a new one at (978) 538-5136.

If the power supply is working properly, then your problem is most likely in the amplifier. In this case, we will need to fix your system here, and you can contact customer service at the above phone number to set this up.

3) If the system is connected properly and you have a green subwoofer light, disconnect the power supply from the wall for 10 minutes. This is a common problem on overloaded surge protectors. To many devices on the same surge protector can limit available power. Putting your speaker system on its own circuit (or a more dedicated one) should eliminate this problem.

4) Check the bass level on the back of your subwoofer, (or on your desktop control pod. For best subwoofer performance place the woofer on the floor along a wall or better still in a corner. This "corner loading" will increase bass output.

Nov 14, 2010 | Boston Acoustics BA745 Computer Speakers

1 Answer

Can boston acoustic BA745 speakers be used with a DVD player


there are components for everything now a days. so if you really want to hook them up then the answer is yes. but for really good dvd sound buy proper dvd surround speaker set up inc sub, you wont be disapointed..

Sep 11, 2010 | Boston Acoustics BA745 Computer Speakers

1 Answer

I have hooked this up to a working reciever that


Fill in the blanks about the working receiver.

You mention another subwoofer, which suggests your receiver manages the bass and possibly sends most or all of it to the sub.

If it's NOT sending the bass to the speaker terminals you use to drive the AM5 that would explain it's virtually silent bass module.

If those speaker terminals on your receiver can be set to LARGE, do it. Otherwise they assume the speakers are incapable of handling bass.

Apr 02, 2010 | Bose Acoustimass 5 III System

1 Answer

The small speakers produce sound but the sub


I have Boston BA745 speakers and want to use them with my new HP Pavillion Elite HPE computer. How do I get them to work?

Dec 27, 2009 | Boston Acoustics BA745 Computer Speakers

1 Answer

The subwoofer isnt working but speakers are


You mean the right and left satellite speakers are working but the subwoofer is not. Try to adjust the bass control of the subwoofer at the back. Set it to full.

Dec 23, 2009 | Boston Acoustics BA745 Computer Speakers

2 Answers

Klipsch ksw subwoofer wont power on


The power supply switching transistors are likely fried. Dangerous high voltages involved. I would remove the plate and send it to Klipsch for repair.

Jan 16, 2009 | Gem Sound SUB-650M Speaker

1 Answer

Logitech Z-2300 speakers


maybe the first step could be checking the subwoofer's fuse.it is located over the power supply connector.

Jan 12, 2008 | Logitech Z-2300 Computer Speakers

1 Answer

Boston BA745 Power Input Help


Hi, Aurimasmb
Happy Holidays!
Well, first of all, you have to see what kind of voltage got there, if is 220 or 110 etc, then you have to put your adapter on your speakers and see the AMP too. (amperage of your speakers)
then you can hit the road!
good luck

Dec 29, 2007 | Boston Acoustics BA745 Computer Speakers

3 Answers

Speaker/sub bass


Hi, it is possible that the sub volume control is worn out. If your particular brand/model uses the rotary/wiper type (variable resistor) then replacing it should do the trick but this involves soldering which be done by an electronics technician or qualified to perform such repairs/replacement. Hope this helps. Cheers.

Feb 20, 2007 | Boston Acoustics BA745 Computer Speakers

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