Smell coming from my subwoofer. Please help. - AVS Forum
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Old 12-08-2012, 08:09 AM - Thread Starter
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I have a Sony MHCEC909iP Mini Hi-Fi Shelf System
Code:
Cliffs:  Worst case scenario, have I done permanent damage 
and limited the life of the stereo?

Side note: This smell did not occur for the first 8 hours, but only after I played 4-5 base heavy songs at 75% volume.

I bought this for my senior citizen father for Christmas, and have been playing with it to break it in and what not (heard 50-100 hours makes it sound better).

Anyway, after about 8 hours on it, I played 4-5 songs in a row with a lot of continuous bass and smelled a funny, almost electrical burning smell from about 6 feet away. Traced it back to the subwoofer. I immediately shut it off and searched the web.

Read everything from it's normal, to voice coil over heating, to glue melting, etc...

My father dedicated his entire life to philanthropy (mentally retarded adults) and is now retired, in very poor health, and possibly on his way out of this world. I do not live anywhere near him, and he and my mother can barely work a VCR.

How nervous should I be about this? I don't think I have to worry too much about the safety aspect from what I have read, but say it is worst case scenario - have I done permanent damage and limited the life of the stereo?
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Old 12-08-2012, 08:45 AM
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Quote:
Originally Posted by Guysakar View Post

.
How nervous should I be about this?
Very. An electrical smell indicates burned insulation on the voice coil or amp power transformer.

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Old 12-08-2012, 09:10 AM - Thread Starter
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Very. An electrical smell indicates burned insulation on the voice coil or amp power transformer.

So should I send the system back?
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Old 12-08-2012, 09:31 AM
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The smell will never go away, about 6 years ago, I bought one of the Sony HIFI systems, and after awhile the so called Subwoofer started to have a burning smell.

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Old 12-08-2012, 09:39 AM - Thread Starter
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The smell will never go away, about 6 years ago, I bought one of the Sony HIFI systems, and after awhile the so called Subwoofer started to have a burning smell.


Did the sub eventually blow? I am a mechanic and know almost nothing about audio. Once a car overheats, it has black death all over it - it will never be the same. I am just wondering, if I did over heat the voice coil, is it similar to overheating a car in that it will never be the same, and better to just get my father a new system?
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Old 12-08-2012, 09:49 AM
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No the subwoofer never blew, my mom has it right now, I don't think she uses it, but it works fine just after like 30 min of use or so, that smell keeps coming back.

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Old 12-08-2012, 10:18 AM
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Quote:
Originally Posted by Guysakar View Post

if I did over heat the voice coil, is it similar to overheating a car in that it will never be the same, and better to just get my father a new system?
It means damage has occurred, and that may lead to eventual failure.

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Old 12-08-2012, 01:39 PM
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Quote:
Originally Posted by Guysakar View Post

I have a Sony MHCEC909iP Mini Hi-Fi Shelf System
Code:
Cliffs:  Worst case scenario, have I done permanent damage 
and limited the life of the stereo?
Side note: This smell did not occur for the first 8 hours, but only after I played 4-5 base heavy songs at 75% volume.
I bought this for my senior citizen father for Christmas, and have been playing with it to break it in and what not (heard 50-100 hours makes it sound better).
Anyway, after about 8 hours on it, I played 4-5 songs in a row with a lot of continuous bass and smelled a funny, almost electrical burning smell from about 6 feet away. Traced it back to the subwoofer. I immediately shut it off and searched the web.
Read everything from it's normal, to voice coil over heating, to glue melting, etc...
My father dedicated his entire life to philanthropy (mentally retarded adults) and is now retired, in very poor health, and possibly on his way out of this world. I do not live anywhere near him, and he and my mother can barely work a VCR.
How nervous should I be about this? I don't think I have to worry too much about the safety aspect from what I have read, but say it is worst case scenario - have I done permanent damage and limited the life of the stereo?

Hello Guysakar,

Good afternoon! Amanda Maffei here with the Sony Support team. We're sorry to hear that about your father's Mini Hi-Fi Component System. And the smell that you're describing we do take very seriously. So what we recommend is calling: Priority Service: 239-768-7547 Hours:

■Mon-Fri 8:00am-12:00am (Midnight) ET
■Sat-Sun 9:00am-8:00pm ET

Let them know your name, phone number, and any other contact information that you would like to provide. Our Technical Support team will assist you further from there. Thank you, and we do hope we can get this problem resolved for you.

-Amanda Maffei

Sony Support USA
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