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-   -   Need Opinions on these subs (http://www.diyaudio.com/forums/subwoofers/199732-need-opinions-these-subs.html)

carshateme 2nd November 2011 09:18 PM

Need Opinions on these subs
 
Got two choices here..well 3 but the sundown seller isn't responding to my text so I ain't going to pester him.

But one is 2 12's RE MX series
MX12-D2 Features:
http://img842.imageshack.us/img842/6534/reaudio.jpg


Dual Composite 2-piece Cone
Rubber Surround
Integrated Gasket
Cast Aluminum Basket
Tork-Tite Terminal
4" 4-layer Aluminum Voice Coil
FEA Optimized Motor Structure
Powerful Neo Magnet
Dual Progressive Spiders
Integrated Tinsel Lead
MX12-D2 (MX.12.D2/MX12D2) Dimensions:

12" Dual 2ohm Subwoofer
Mounting Depth - 10.25"
Mounting Hole Diameter - 11.5"
Overall Diameter - 13"
Bolt Hole Circle - 12.25"
Motor Width - 8.5"
Motor Depth - 2.5"
Basket Depth - 7.75"
Displacement - 0.19 cu. ft.
Weight - 33 lbs.
MX12-D2 (MX.12.D2/MX12D2) T/S Parameters:

Electrical Q Value -Qes: 0.503
Mechanical Q Value -Qms: 3.206
Total Speaker Q Value -Qts: 0.434
Free Air Resonance -Fs: 23.165 Hz
Equivalent Compliance -Vas: 59.0 liters
One-Way, Linear Excursion -Xmax: 22 mm
Efficiency -SPL 1W/1m: 83.5 dB SPL
Effective Piston Area -Sd: 480 cm^2
DC Resistance -Re: 1.4 ohm
Nominal Impedance -Znom: Dual 2 ohm
Thermal Power Handling -Pe: 1500 W
Force Factor -Bl: 14.56
MX12-D2 (MX.12.D2/MX12D2) Recommended Enclosures:



The other sub is a 2 12" DC level 3 subs
http://img849.imageshack.us/img849/2685/dcsub.jpg



Mounting Depth
6.75"
Mounting Hole Diameter
11"
Motor Width
6.5"
Weight
20lbs
VC Diameter
3"
Displacement
.15 ft
Magnet Weight
17.5lbs
Power Handling RMS/Peak
600/1200
Impedance (Ohm)
d2 or d4
Sd
494.00 cm^
Vas
74.15 L
Cms
2.17e-04 m/N
Mms
145.73 g
Fs
28.3 Hz
Bl
22.18
Re
5.89 ohm
Le
5.06 mH
Qms
8.11
Qes
0.59
Qts
0.55
Xmax
22.5 mm
Sensitivity
86.40 dB


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