Replacement subwoofer for Omage BBF-212 Enclosure - diyAudio
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Old 26th February 2014, 07:58 PM   #1
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Default Replacement subwoofer for Omage BBF-212 Enclosure

Hi there,
I have an Omage BBF 212 12" subwoofer that almost started a fire in my house. It was playing downstairs while I was upstairs when I got a big whiff of electrical fire. I ran downstairs and saw it smoking! I immediately unplugged it and took all the screws out of the woofer and it literally peeled back. After fighting with it (they glued the amp and the subwoofer in) I can see a big burn mark in a ribbon on the board. So needless to say I'm not looking for that replacement amp.
Recently I did a subwoofer build using a 15" Dayton subwoofer and an external Dayton amplifier. I would like to use the same external amplifier but I need advice on which subwoofer to get. It doesn't necessarily need to be Dayton. The size of the opening is EXACTLY 12" so it'd be nice to find a replacement that will fit without having to route it out (the sub was counter sunk). It's a front firing sub with a down firing port. The dimensions of the enclosure is 20x15x17.

Any help is very much appreciated! Thanks!

edit: I forgot to mention this seems like it might be an option. I would like to know for sure though. https://solen.ca/pdf/dayton/DVC310-88.pdf
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Old 27th February 2014, 02:26 PM   #2
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bump?
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Old 28th February 2014, 01:18 AM   #3
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Sorry I hate to bump this again just want to hit the evening crowd. You can delete this if this is against the rules.
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Old 28th February 2014, 01:37 AM   #4
NEO Dan is offline NEO Dan  United States
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Hi,
The mounting hole diameter for the driver you've selected is 280.7mm, that's ~11-1/16"
Did you typo?
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Old 28th February 2014, 07:18 PM   #5
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I'm sorry? I said it was exactly 12" which is 304.8mm.
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Old 28th February 2014, 08:21 PM   #6
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There's some info missing and pictures
Please be more forum friendly. NPI

Do you know the name/type model of the previous 12" driver?!
Anyway check the following list one by one:

Mounting Information
Overall Outside Diameter: ?
Baffle Cutout Diameter: ?

Internal Dimensions of the enclosure:
or
External Dimensions of the enclosure:
Thickness of ply:

Type of port
(material and form rectangular vs circular) down firing port
Material: Plastic or ply (thickness):
Dimensions ext/int and length (or tuning frequency Fb):
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Old 28th February 2014, 09:52 PM   #7
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My apologies. I attached a photo of the subwoofer. I brought the box to my office and can't take of a picture of it now. I was looking at the overall diameter of the subwoofer, not the mounting hole dimensions.
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File Type: jpg photo.JPG (659.8 KB, 28 views)
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Old 1st March 2014, 03:23 AM   #8
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LINKS
It is good if you post the port dimensions for the tuning frequency Fb. Also post the ply thickness if you can (and confirm the outside dimensions of the enclosure vs. that in the catalog), so that we know the remaining net volume Vb.
Daveco
http://www.davecohifi.com/Assets/Cat...gboom_subs.pdf
Attached Images
File Type: jpg BBF-212.jpg (131.5 KB, 25 views)
File Type: jpg Omage BBF-212 Enclosure.jpg (107.9 KB, 26 views)
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Old 1st March 2014, 03:29 AM   #9
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Catalog mentions dimensions 20.0 x 17.0 x 19.5 (with feet included maybe?)
You, 20x15x17 (post#1).
Measure enclosure dimensions for:
1. top
2. bottom
3. enclosure height
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Old 1st March 2014, 03:39 AM   #10
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Another important question. Do you know the driver impedance?
Also the amp power (RMS) will be helpful.
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