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Discussion Starter #1
I'm not an audio expert so I was wondering if these will work well with each other. I have a single 12 inch Alpine SWS-12D2 in a ported box and a Lanzar VIBE240 Vibe amp that is bridged.

Specs for sub:


12" Dual 2-Ohm Type-S Series Car Subwoofer
Power Handling:
Peak: 1500 watts
RMS: 500 watts
Impedance: Dual 2 ohms
Kevlar treated pulp cone
Durable HAMR Santoprene™ surround
High strength steel frame
Progressive conex
2.6" 5-Layer High-Temp Voice Coil
64oz. Strontanium Ferrite magnet motor structure
Frequency response: 26-200 Hz
Resonance Frequency (Fs): 34Hz
Top-mount depth: 5-7/8"
Sensitivity: 86.4dB
CEA-2031 compliant
1-year Sonic Electronix Warranty

Specs for amp:

Mine will be bridged

2 x 200 Watts RMS at 4 Ohms
2 x 400 Watts Max at 4 Ohms
*****1 x 800 Watts Max at 4 Ohms Bridged*****
2 x 375 Watts at 2 Ohms
Electronic Crossover Network
Bass Boost Circuit
Bridgeable at 4 Ohms
2 Ohm Stereo Stable
Tri-Mode Capable
Gold RCA Inputs
MOSFET Power Supply
Line Outs For Left & Right Channels
Power & Protection LED Indicators
Soft Turn On/Off
Frequency Response: 15 Hz-35 kHz
S/N Ratio: 90 dB
Dimensions: 10.25"W x 2"H x 15"L

 

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Levee
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3,210 Posts
The Sub ohms and amp ohms are different. It should work. I know you can cut the ohms in half, but I'm not sure you can double them without ill effects. I'm not a big fan of Lanzar amps tho, they are right there with Pyramid and Legacy amps to me. Not very nice for quality of parts/hardware. I'd say run it, but if you feel skeptical, I'd say get a different amp.
 

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Discussion Starter #3
Should I get 4 ohms sub?


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---------- Post added at 05:40 PM ---------- Previous post was at 05:36 PM ----------

This is what I was referring to. If you scroll down youll see the section for having an amp but no sub yet. The chart says for a 4 ohm amp and powering one sub you should get a SVC 4 ohms sub or a DVC 2 ohms sub.

How to Match Subwoofers and Amplifiers

---------- Post added at 05:55 PM ---------- Previous post was at 05:40 PM ----------

I returned the sub and got a 4 ohm sub
 

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Levee
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Well you did that kind of fast. I was going to tell ya that the lower the ohm rating the louder the stuff is. I think you would have been better off keeping that sub and just getting a different amp. There are plenty of 2 ohm and 1 ohm stable amps out there that are mono block (meaning only for one speaker) that would be perfect for your sub there.
 
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