C300.2 and MM2104DVC combo

Nospheratu

Hi,

I purchased the above two components and would like to know whats the best way to wire them. The dillemma im in at the moment is that im providing 12v to the amp. So my power output is going to be reduced from the rated specs.

Also I can either wire the sub for a 2ohm or an 8ohm load. Problem is the amp requires a 4ohm load when its bridged. So I can either run the sub in series connection to the bridged connection on the amp but since it is now 8ohm im going to theoretically get 225watts rms power to the sub.

Whats even worse is that im giving the amp 12v so that 225watts rms is going to be more like 200watts rms.

If I run the sub with a parallel connection it will have a 2ohm load and I can run it off one of the amps channels that outputs 220watts rms at 14.4v ... which would be about 200watts rms again at 12v.

My concern is that im grossly reducing the power to the sub and it will not perform to the best of its ability.

Is there something im missing out? Can I wire it any differently to get close to 300watts rms to the sub?

Please advise. Thanks.

eloplayspolo

are u sure they can be wired for a 2 ohm load.... i thought it would be 1,4 or 8....

Nospheratu

With the coils wired in parallel a dual 4ohm sub will have a 2ohm load.. Thats according to the manual. Each coil is 4ohms.

Do u think i will get good performance and good lows with 200w rms going to the W2104DVC? Help me out, im considering selling the dvc and getting the svc version...

Nospheratu

Dillema resolved!

if anyone experiences the same problem. Wire independant! The c300.2 outputs 150rms per channel on a 4ohm load. So wire each of the subs coils to its own channel. 150w rms per coil = 300w rms as per the w2104dvc's specs!

IMPORTANT: make sure that youre outputing a mono signal to the subs coils. DO NOT wire different signals(stereo) to each coil.

eloplayspolo

glad i could help

ShinAce

p.s. You're losing more power than you think.

13.8 volts(my choice) compared to 12.0 volts is:
32% more power. You end up with 75% of the rated power at 12 volts if 13.8 volts is full rated power.

MacLeod

That amp makes 140 watts per channel at 4 ohms at 12.5 volts and 165 at 14.4 volts. As soon as you crank your engine up youre getting at least 150x2. Even at 140, thats like .1 db difference which is inaudible.

Nospheratu

Thanks for the information guys. Does anyone know whats the rms rating of each coil on the MM2104DVC?

I searched on the forum and found that there is contradictive opinions that each voice coil is 300w and not 150w as it would be if the total power rating of the sub is divided bu each coil...

Could someone please confirm this...

exalted512

Take the RMS of the sub and divide it by 2.
-Cody

Nospheratu

Searched on the forum and found info that Kim one of the admins stated that dvc's made by polk had the total rms rating of the sub for each coil which I found confusing. I mean if that was the case wouldnt the sub be rated at 600w RMS???

Anyway, thanks for clearing that up Cody, much appreciated.

MacLeod

The power handling of the DVC subs is the same as the SVC subs.

For example, the MM2104 will handle 300 watts regardless if its DVC or SVC.

Nospheratu

Thanks mac, appreciate your knowledge.

And thanks to everybody that helped.

Just to confirm, i will be running the mm2104dvc at its optimum? its safe to run 150w to each coil, each coil is infact rated at 150w rms?

exalted512

Right.

Nospheratu

Thanks!

...very helpful members on this forum...