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Eclipse 8712.4 subwoofer

 

New member
Username: Aballman

Post Number: 1
Registered: May-12
I noticed there was a post on here about these sub's and i wasnt able to open any of the links for the info. Im looking for speaker box dimensions cant find anything its a 12 inch 8712.4 eclpise sub any help would be great.

Thanks
 

Gold Member
Username: Joe1234

Post Number: 1462
Registered: May-09
Eclipse 8712.4:

External diameter 12.38"
Cutout 10.94"
Mounting Depth 5.875"
Displacement 0.16 cubic feet.

No data on recommendations but with modelling software looks good on 1.9 cubic feet at 33Hz up to the rated 300W RMS power.
 

New member
Username: Aballman

Post Number: 2
Registered: May-12
Thank you im looking at saving weight in my car i have 3 12 inch crossfire db's. I was thinking this speaker in the right box will have some punch and i can cut the weight. Whats better ported or sealed and is there info how much power it can handle sorry so many questions i will be using a crossfire 390m mono amp to power it.
 

Gold Member
Username: Joe1234

Post Number: 1463
Registered: May-09
I would go for a single 12" as you say but way more powerful.

Ported is better at getting the deeper notes loud.

That Eclipse is 300W rms.
 

Platinum Member
Username: Insearchofbass

Post Number: 17204
Registered: Jun-04
An alpine type r would work very well for you even with your current power.
 

New member
Username: Aballman

Post Number: 3
Registered: May-12
Thank You, Is there anyone that knows the ported box specs for this sub .
 

Gold Member
Username: Joe1234

Post Number: 1466
Registered: May-09
The Alpine? Sure 1.5-2 cubic feet tuned at 32Hz. If you want a cut sheet list for a box let me know.
 

New member
Username: Aballman

Post Number: 4
Registered: May-12
Sorry not for the alpine for the eclipse 8712.4 ported box dimensions
 

Gold Member
Username: Joe1234

Post Number: 1467
Registered: May-09
As before I couldn't find a manufacturer recommendation for that older sub.

Through modelling 1.9 cubic feet at 33Hz up to the rated 300W RMS power seem adequate daily alignment IMO.
 

New member
Username: Aballman

Post Number: 5
Registered: May-12
So that size is good for ported and sealed what size port would you suggest. I know its next to impossible to find any actual specs so i thanks you for your help.
 

Gold Member
Username: Joe1234

Post Number: 1468
Registered: May-09
0.8-1.0 cubic feet would be more than enough. Low EBP drivers work in sealed/4th.
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