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Replacement Power Board for Boston Acoustics Soundware S SubWoofer

Audiolab 6000A Amplifier

Jinu

New Member
Joined
May 16, 2015
Messages
5
Points
1
Location
Mumbai
Hi Folks
My Subwoofer stopped working and on checking found that the fuse had blown. Replacing the fuse did not help as the fuse blew again. Opening up the sub woofer i find that the Power unit of the subwoofer is completely burnt out. I need help in finding a replacement for the power board. Any ideas where i can get one?

Refer to images for condition of the board. The Sub Woofer is part of the speaker system Boston Acoustics Soundware S.

Any help is sourcing a replacement power board would be appreciated.
 

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shankara.kris

Active Member
Joined
Jul 3, 2014
Messages
137
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28
Location
Chennai
Hi, I would suggest two choices for you
1. since your product is out of warranty, I would suggest you to get it fixed by the nearest Boston Acoustics service centers. It will be a paid service which we cannot assess the cost you may have to incur.
(OR)

2. Approach the nearest the service centers of any AV receivers brand and try to get it fixed. You're gonna have to figure out a way to convince him because few guys wouldn't take up products other than their brand but few definitely would. Anyway, this would delay up the process than the first alternative but I would say its worth it.

How did this it blew up? Did you crank up the volume too high?
 

efernand1

Well-Known Member
Joined
Jul 6, 2012
Messages
5,513
Points
113
Location
Mumbai
Hi Folks
My Subwoofer stopped working and on checking found that the fuse had blown. Replacing the fuse did not help as the fuse blew again. Opening up the sub woofer i find that the Power unit of the subwoofer is completely burnt out. I need help in finding a replacement for the power board. Any ideas where i can get one?

Refer to images for condition of the board. The Sub Woofer is part of the speaker system Boston Acoustics Soundware S.

Any help is sourcing a replacement power board would be appreciated.


Lamington road....grant road east is the electronic component market...all these parts are easily available....if you have a known repairer you can get this fixed easily....try to download the service manual for boston acoustics subwoofer....it will have the detailed values etc for the amp board
 

shankara.kris

Active Member
Joined
Jul 3, 2014
Messages
137
Points
28
Location
Chennai
In my opinion, service manual would never have the details at circuitry levels.. its best to contact MZ Audio distribution, the authorized service center for Boston Acoustics.
 

Jinu

New Member
Joined
May 16, 2015
Messages
5
Points
1
Location
Mumbai
Thanks guys. I have sent MZ audio a mail waiting for their revert.

Regarding repair.. i dont think it is possible. In some places the PCB Is burnt through and through. It made me wonder how dangerous these things are and there are no protective cirucits around this to prevent such a permanent damage.

Any idea how expensive it would be... question is would it be just cheaper or almost as expensive to just replace the sub ?
 

Brad.R

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Joined
Jan 3, 2019
Messages
1
Points
0
Location
Brisbane
Thanks guys. I have sent MZ audio a mail waiting for their revert.

Regarding repair.. i dont think it is possible. In some places the PCB Is burnt through and through. It made me wonder how dangerous these things are and there are no protective cirucits around this to prevent such a permanent damage.

Any idea how expensive it would be... question is would it be just cheaper or almost as expensive to just replace the sub ?

Did you ever get this fixed? I have the exact same fault. Did you hear back from MZ audio?

I took mine to an authorized repairer and they wanted $260 to repair it. I have emailed MZ Audio as well as QlaliFi in To try to get the replacement board.
 
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