Overpowering limits?

[rkwhyte3]

Hi I'm new to the forum but had a question about overpowering. I recently purchased a 15" Kicker Comp R Dvc 4 ohm which is 800 rms and 1600 max. I bought a crunch 3000 watt amp. Im planning on running it at 1500 watts rms from the amp @ 2 ohms. As long as I know my limits will I be okay running the sub like this? Thanks in advance.

Click to read more...

 

[garychoffmann 10+ year member]

You will be fine. If the amp is one of the newer ones it will probably do around 500 watts at 2 ohms if you are lucky. What model and what is the fuse rating?

 

[Boomin_tahoe 5,000+ posts]

Hi I'm new to the forum but had a question about overpowering. I recently purchased a 15" Kicker Comp R Dvc 4 ohm which is 800 rms and 1600 max. I bought a crunch 3000 watt amp. Im planning on running it at 1500 watts rms from the amp @ 2 ohms. As long as I know my limits will I be okay running the sub like this? Thanks in advance.

Hate to bust your bubble a little but just because that amp says it's 3k watts doesn't mean that it is. It might be peak power your looking at. Your lucky to see even 800-1000 watts clean on that sub from that amp, as long as you set your gain correctly. The "cheap amp market" is def taking a toll on buyers.

 

[Hertz Mafia]

Hi I'm new to the forum but had a question about overpowering. I recently purchased a 15" Kicker Comp R Dvc 4 ohm which is 800 rms and 1600 max. I bought a crunch 3000 watt amp. Im planning on running it at 1500 watts rms from the amp @ 2 ohms. As long as I know my limits will I be okay running the sub like this? Thanks in advance.

What most new people do is buy a crunch 3000watts amp thinking it's powerful, really it will only make a few hundred watts CLEAN... then you blow your subwoofer because you have the gain all the way to the right and think the amp is to powerful and blew the woofer but when really dirty clipped power burnt the subwoofer from trying to make the amp produce more power then it's able to make clean. So all I'm trying to say is watch video on how to set your gain so you don't burn up your subwoofer on clipped power.

 

[rkwhyte3]

Yeah I honestly was thinking the same. Most websites I was looking at say 1500 rms but I do understand that the differences between rms and peak, and realize I'm not going to get that kind of performance out of it.

And it's a Crunch PD3000.1D and it says it has 2 30 amp fuses

 

[BSchrowang]

30+30= 60 amps. 60amp X 13.8 volt = 828 watts maximum rms. So most likely will see 600-700 watts before box rise.

 

[Rambo 10+ year member]

30+30= 60 amps. 60amp X 13.8 volt = 828 watts maximum rms. So most likely will see 600-700 watts before box rise.

you forgot efficiency. Class d amp are normally in the 80% and then box rise so 500w rms

 

[kr15 5,000+ posts]

Set gain clean. Luckily, cvrs do not need much power. If that amp can do 500w, thats plenty

 

[LosIsATool 5,000+ posts]

you forgot efficiency. Class d amp are normally in the 80% and then box rise so 500w rms

A good class D is in the 80s. A cheap class D is in the 50s

 

[rkwhyte3]

What's box rise? Sorry for the dumb questions

 

[DarkKnightSM]

Hi I'm new to the forum but had a question about overpowering. I recently purchased a 15" Kicker Comp R Dvc 4 ohm which is 800 rms and 1600 max. I bought a crunch 3000 watt amp. Im planning on running it at 1500 watts rms from the amp @ 2 ohms. As long as I know my limits will I be okay running the sub like this? Thanks in advance.

I would say get something that can read clipping or distorting for you. Such as an oscillo scope or maybe one of those smd or whatever hand tools sonic electronix sells. That way you can verify if the amps clean power and not just whatever power rating the company certifies it to. However if your that worried or enough people here make you paranoid about cheap amps, the money you spend on an oscillo scope could be put towards a way better amp.

 

[BOOMINGRANDPA 5,000+ posts]

What's box rise? Sorry for the dumb questions

to simplify it.. when sub moves ohm load changes so your 1 ohm wire sub or subs changes to 4ohm 3 ohm 2.5 ohm 1.5,1,4.5, 2.3 witch every bass note so while sub is mostly still amp sees 1 ohm but when it moves it mostly averages to like 2.5 ohm.. thats y these guys run a true 3500 rms to 8 and 10's subs cause after all the loss due to 70-80% efficientcy of amp and box rise subs mostly are lucky to get 1/2 the power u think..

 

[DarkKnightSM]

to simplify it.. when sub moves ohm load changes so your 1 ohm wire sub or subs changes to 4ohm 3 ohm 2.5 ohm 1.5,1,4.5, 2.3 witch every bass note so while sub is mostly still amp sees 1 ohm but when it moves it mostly averages to like 2.5 ohm.. thats y these guys run a true 3500 rms to 8 and 10's subs cause after all the loss due to 70-80% efficientcy of amp and box rise subs mostly are lucky to get 1/2 the power u think..

My JL 750/1 runs 750 from1.5 to 4. Super flexible //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[LosIsATool 5,000+ posts]

My JL 750/1 runs 750 from1.5 to 4. Super flexible //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

They still suffer from right. It only locks in rail voltage.

 

[DarkKnightSM]

They still suffer from right. It only locks in rail voltage.

I did not understand any of that??