800 watt RMS sub, how much wattage do I really need?

[02envoy 10+ year member]

I have purchased a Diamond D9 12 inch dual voice coil sub. This will be a single sub in a sealed box in a SUV. Its RMS is 800 with a peak of 1600. I was questioning how much wattage I need to run this sub? I want to ensure I purchase an amp powerful enough to run it without clipping issues. I am more interested in sound quality than SPL. I plan to purchase a class 'D' type mono amplifier. There are many out there, but quite frankly I don't know what would be best suited for this sub. Any input would be appreciated! //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gif

Click to read more...

 

[Decipha 10+ year member]

800 rms @ the ohm load you need

 

[mikechec9 10+ year member]

rms + 50%, set gains. wouldn't have it any other way. //content.invisioncic.com/y282845/emoticons/cool.gif.3bcaf8f141236c00f8044d07150e34f7.gif

 

[tRiGgEr 5,000+ posts]

800-1200RMS

Running a 1200 watt amp will allow you to keep the gain relatively low and not have to worry about overdriving the amp. And there are so many good 1000-1200 watt amps out.

Remember only pay attention to the RMS rating. Never even look at the MAX ratings on any audio equipment. It's pretty much useless.

 

[02envoy 10+ year member]

Any recommendations on amp mfg and model number? //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 

[jsloan10 10+ year member]

Concept CCD1200.1

Kenwood KAC9102D

Ultra Linear UL1500X

Those are some affordable amps off the top of my head.

 

[02envoy 10+ year member]

I have been looking at Lanzar optidrive, US Amps, Diamond, and Orion.

 

[chinny 5,000+ posts]

US Amps

Diamond

Orion

Lanzar

in that order, IMO

 

[tRiGgEr 5,000+ posts]

JL

Orion

MTX

Kicker

Fosgate

PG

ED...

 

[blackgeltabs 5,000+ posts]

Why? Why does everyone say that you need the RMS at a minimum? Its completely wrong. The sub will run fine with anywhere from 400-800.

As for everyone else knowing that you need 800+ watts no one seemed to pick up that you wanted more sq over spl. In this case you wont want a class D amp, you would want a class AB amp which in general are cleaner but eat more power. Though the sound maybe minimal to your ear to non existant, its still a more sq driven amp.

 

[tRiGgEr 5,000+ posts]

Why? Why does everyone say that you need the RMS at a minimum? Its completely wrong. The sub will run fine with anywhere from 400-800.

You obviously don't have enough money for a big amp //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif . Reason anyone would want to run the RMS is to get the max potential out of their speaker.

Getting a amp with more power than needed will allow you to run the amp well below it's maximum output, causing less stress on the equipment and less chances of clipping from wanting to much from a small amp.

I have 1200+ watts on my sub and I have amazing SQ. I could give it 2000+ watts and still have amazing SQ. Power has nothing to do with the SQ of your driver.

 

[blackgeltabs 5,000+ posts]

You obviously dont deal with to many car audio rookies, or kids just looking for systems. Most of them dont understand power requirments or dont really care. Therefore putting a larger amp than needed to the subs and kids not knowing what they are doing, will equal blowing them.

Ive got more money than you //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

My amp is only around 900 watts but it costs much more than most of the 1200 watts garbage amps around such as my jbl 1200.1 that I have lying around. I dont buy trash so lets not talk on that subject.

Go to the realmofexcursion then go to soundsplinter then look for Fonzis Rlp 15. Thats with 500 watts. Remember the challenging part of car audio is to make real loud cars with minimal power. Any idiot can slap a 1200+ watt amp in there and be loud. I am still to this day amazed at the high power, high excursion sub revolution thats going around it wasnt really like this 4 years ago.

 

[tRiGgEr 5,000+ posts]

My comments still remain true. Stop trying to put your side out there as the only side.

 

[blackgeltabs 5,000+ posts]

My comments still remain true. Stop trying to put your side out there as the only side.

Sure why not, tell that to any manufacturer that your going to put 1200 watts to a 800 watt rms woofer. Warrenty goes //content.invisioncic.com/y282845/emoticons/bigwave.gif.16324171cad2db62cf4f16568b038478.gif

 

[tRiGgEr 5,000+ posts]

Will you read my post. God damn you'r annoying.

Set the gain for 800 watts using the gain setting tutorial. Less stress, clean effecient power. Still have the warranty.

 

[blackgeltabs 5,000+ posts]

Will you read my post. God damn you'r annoying.
Set the gain for 800 watts using the gain setting tutorial. Less stress, clean effecient power. Still have the warranty.

Awww I'm annoying you...thats cute

Quit giving bad advice you fukin idiot

 

[jsloan10 10+ year member]

As for everyone else knowing that you need 800+ watts no one seemed to pick up that you wanted more sq over spl. In this case you wont want a class D amp, you would want a class AB amp which in general are cleaner but eat more power. Though the sound maybe minimal to your ear to non existant, its still a more sq driven amp.

That statment is wrong NooB.. //content.invisioncic.com/y282845/emoticons/uhoh.gif.c07307dd22ee7e63e22fc8e9c614d1fd.gif

There is alot of award winning SQ system using classD amps.

Give the kid a small amp and watch him crank the bass boost and gains to make up for the power loss.. yer soo smart.xoxo

 

[blackgeltabs 5,000+ posts]

//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

That statment is wrong NooB.. //content.invisioncic.com/y282845/emoticons/uhoh.gif.c07307dd22ee7e63e22fc8e9c614d1fd.gifThere is alot of award winning SQ system using classD amps.

Give the kid a small amp and watch him crank the bass boost and gains to make up for the power loss.. yer soo smart.xoxo

//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

I like the noob part you even capitialize certain letters.

Lets move through your list off assumptions

Since he definitly needs a 1200 watt amp we can assume he has proper electrical upgrades because we all know that stock electricals are made for that kind of power.

We can assume he knows how to use the gain setting tutorial. Though I never follow that because I tweak to much.

We can even assume he's going to install his own system, right?

Ive seen plenty of time on CA.com where stuff was recomended bought then blown because of user error, too much power is usualy a culprit of this.

Triggers statements arent wrong, they just are not proper for someone asking the inital question that was asked. But I myself wont recomend overpowering to someone that is inexperienced with car audio. Start small then learn the basics then go big.

And yes I am very smart thank you for noticing

xoxo Bi tch

 

[jsloan10 10+ year member]

Kids that use drugs are teh funney, they think they are smarter then the rest of the world. //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 

[blackgeltabs 5,000+ posts]

Thats the best you got? Ive already won.

BTW what the hell is are teh funney, you have a extra word in there I think bub