Bose Acoustimass 5 Series II - Fuse Type?

 

New member
Username: Arcadejames

Post Number: 1
Registered: May-08
Hello all,

I am re-purposing an old Bose speaker system for use in a custom arcade cabinet I am building and have found an issue with the subwoofer.

In the image below, the output on the right hand side does not appear to be working.

If I only plug in the input from the amp on the right side, I do hear the bass in the sub woofer.

Adding a speaker to the right output and I get nothing.

I've tried all possible combos of speakers and cables, the problem is definitely between that right input and output.

I popped open the case and on the inside of that panel with the connections is this PCB. What I did notice is that the fuse with the arrow seems to have some burn inside.

I tested all of them for continuity, and all but that one responds.

I assume replacing it is a good first step but I can't seem to locate any information about the type of fuse that is nor where to get one.

Does anyone have any experience locating fuses like that?

Thanks for any direction or assistance you can provide.


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New member
Username: Arcadejames

Post Number: 2
Registered: May-08
Just found the part, I will post an update this weekend with pics. Oddly enough, it turns out to be ...


An automotive light bulb!

I kid you not.

Info and parts courtesy of Ack Supply in Atlanta.

http://www.acksupply.com/

Take the photo tour - http://www.acksupply.com/photos.asp

This is a VERY old school electronics parts counter, to quote the guy who assisted ...

"We've been doing this since Moses was a corporal."
 

New member
Username: Arcadejames

Post Number: 3
Registered: May-08
No sense in posting a pic, they look nearly exactly the same.

Part number given by Ack Supply is

Part #: 212-2 WICO
Description: Lamp 13.5v

Replaced the one that was blown and the unit is fixed. Total cost $2.15

Bose wanted $125 plus inbound shipping for a complete refurb.
 

Silver Member
Username: Jrbay

Livonia [Detroit area], Michigan USA

Post Number: 271
Registered: Feb-08
So the only question that remains is, how did it blow in the first place?
 

New member
Username: Arcadejames

Post Number: 4
Registered: May-08
Good question and I have no idea. Bose tech said it could have been a mryiad of things but that if it did not blow again it was likely a one time event.
 

Silver Member
Username: Jrbay

Livonia [Detroit area], Michigan USA

Post Number: 272
Registered: Feb-08
Fuses have a funny way of blowing again when answers are given like that!!!

The good news here is that this system is going to be used in an entirely different way so the question is likely sufficiently answered.

Enjoy!
 

New member
Username: Scottz

Post Number: 1
Registered: Feb-09
Hello All,

I have the same problem with a Bose Acoustimass SE-5 where the 1 of the 4 fuses/bulbs blew (the picture looks the same in my Sub.
The http://www.acksupply.com/ Link has no
Part #: 212-2 WICO
Description: Lamp 13.5v
But I have found other items that are similar.

Examples of them are at:

562 13.5V .74A/T-3 Rigid Loop SKU: 42052

563 13.5V .52A/T-3 Rigid Loop SKU: 42058

jf135050xe 13.5V .37A 15000 Hours T3-1/4 Rigid Loop Xenon SKU: 50096

jf135100xe 13.5V .74A 15000 Hours T3-1/4 Rigid Loop Xenon SKU: 50098

AND a 212-2 bulb-

212-2 13.5V .74A/T-3 Double End Cap SKU:42256

But it is a Double-End Cap which looks different.

Can someone tell me which if any of these would work or another type?

Also, I tried removing the bulb from the metal with a 30 watt soldering iron and was unsuccessful, do I need to remove the bulb and rejoin it with a high temperature solder and soldering gun???

A possible reason for it blowing might be the same reason that any bulb would blow... How many times have you ever had to replace a bulb in your car? I've been driving for 35+ years and maybe I've had to replace 1, maybe 2 bulbs from blowing.

Thanks
 

New member
Username: Kyleho

Post Number: 1
Registered: Dec-09
Actually i just read that it handles total of 200w so i would say 33w bulbs Depending on how powerful you driver is
 

New member
Username: Kyleho

Post Number: 2
Registered: Dec-09
Because the bulbs scott posted would only handle 60W of power
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