Kicker L7 and amp

**Dan_VX_Spac** · 04-09-2009, 08:22 PM

Ok i am going to get 2 of them for my new car but i got one in a box right now. I want them to run prety hard but not sure if i want to get the 750.1 mono or the 1500.1 for the single one now.
Just wondering which one i should get?? As i want to run both of them max, is there much difference between the 2 amps

**acarmody** · 04-09-2009, 10:12 PM

The difference between the two amp is one has twice the power of the other.

Get the 1500.1, you can hook that up to the single sub now and just adjust the gain accordingly. Those L7s are rated at 750wrms but a lot of people are pumping upwards of 1000wrms and the subs love it. That way when you get the second L7 just hook that up too.

EDIT: Actually just thinking that if you got the Dual 2-ohm subs, it will be wanting 4 ohms so the 1500.1 will only be putting out 750wrms (really about 900wrms with kicker underrating thier amps) so it will run fine for the one sub. You could get one 750.1 now and one later but I would just get the one big amp now, wire it all up and it will be a 2 minute job later just connecting the speaker cable.

**Dan_VX_Spac** · 05-09-2009, 11:44 AM

yeah mine are 2 ohm. So the 1500.1 wouldnt be reaching the subs max then only 900wrms

**pedrotski** · 05-09-2009, 11:53 AM

Hey,

I have a dual 2 ohm kicker l7 15" running at 1 ohm from a DDM2. It would take close to 2000watts daily. It would bottom out some times but the 2008 series holds together. I used to have a 2004 series but that had a thermal meltdown and welded the voice coil to the motor.

If you are running an older L7, run it at least 1 ohm, make sure you have the power for it and are running wild fuses. You dont want your car to catch fire.

YouTube - 15" Kicker L7 @ 2000watts RMS DDM2 in a Swift
YouTube - Kicker L7 15" Setting off car alarm.
YouTube - New 2008 Kicker Solo Baric L7 2000watts 1ohm on my boot

**acarmody** · 05-09-2009, 09:07 PM

You'll be happy enough with the one sub for now it will go pretty hard, it will just get better with the second sub. By the way are we talking 12" or 15" subs? Because the 15" ones can handle more power.

Pedroski, Dan_VX_Spac can't run 1 ohm as his amp isn't rated to that, 2 ohms at best, and with dual 2 ohm subs then he must run 4 ohms.

**Joe Bellissimo** · 06-09-2009, 01:11 PM

Buying an amplifier which is 1 ohm stable would work out the best value in this case.

How much is the 1500.1 by the way?

**Dan_VX_Spac** · 07-09-2009, 03:03 PM

I got a 12" 2 ohm, yeah i seen that the 1500.1 runs at 2ohms

**acarmody** · 07-09-2009, 07:58 PM

The L7s have 2 voice coils, so if yours is a dual 2-ohm sub you can make either 1 ohm or 4 ohms at the amp. If you have a dual 4 ohm sub you can make either 2 ohms or 8 ohms at the amp.

**Dan_VX_Spac** · 07-09-2009, 10:53 PM

yeah mine is a dual 2 ohm

**acarmody** · 08-09-2009, 12:39 AM

If you have the dual 2-ohm sub than you can make either 1-ohm or 4-ohms, but the 1500.1 Kicker amp is not rated at 1-ohm so it won't work, so you will have to use 4-ohms. The 1500.1 is rated at 750wrms at 4-ohms but it will probably make a bit more, all Kicker amps do, and each amp makes different amounts of power. So buy the 1500.1 if your set on it, hook up the one sub and when you get the second sub than your car will have twice the bass. Or you can buy a amp that is rated to 1-ohm but then when you buy the second sub your bass power will actually go down.

**Joe Bellissimo** · 08-09-2009, 01:08 AM

Let me know how much those amplifiers are because I might have something more appropriate that will run at 1 ohm.

Let me know if you are interested

**Dan_VX_Spac** · 08-09-2009, 07:17 PM

yeah on the box it says 2ohms. I took the sub out and on all of the coils it says 4ohms

**Joe Bellissimo** · 08-09-2009, 07:33 PM

So you have dual 4 ohm coils and you have two woofers?

**Dan_VX_Spac** · 08-09-2009, 08:08 PM

nah 1 sub atm but on the 4 coils it says 4ohms on each of the coils

**Joe Bellissimo** · 08-09-2009, 08:13 PM

Okay the amplifier will see 2 ohms if you connect in parallel. The most appropriate amplifier for one subwoofer out of the ones you listed is the 750.1

**acarmody** · 08-09-2009, 08:50 PM

Yep what Joe Bellissimo said, the 750.1 would be good, and then when you get the other sub you get another 750.1 . Or alternatively if you want to buy a good amp now, just get a 1-ohm capable amp now that makes about 900wrms at 2-ohm and ~1800wrms at 1-ohm.

**Dan_VX_Spac** · 08-09-2009, 10:43 PM

Wouldnt the 1500.1 be able to do the job? I checked the site and it said it runs 1500 @ 2ohms same as the 750.1

**holdenboy** · 08-09-2009, 10:56 PM

The problem you'll have is when you get the second sub you'll have three impedance choices....1 ohm, 2x 2 ohm or 4 ohm. I dont think the Kickers are stable (able to be wired without voiding warranty etc) at 1 ohm?
So basically what im trying to say is you wont be able to hook both subs up to the 1500.1 and still get the full potential from the amp. Its much better to either get a 1500-2000wrms monoblock thats 1 ohm stable or buy 2 of the Kicker 750.1s so each amp runs a sub at 2 ohm.

**Dan_VX_Spac** · 09-09-2009, 04:34 PM

oh ok any amp suggestions then for the sub i was lookin at PDX but what would be the best option

**Joe Bellissimo** · 09-09-2009, 04:40 PM

Are those 1 ohm stable?

Shopping Secure - SPL Dynamics S-1200D

That amp is the best solution that's up on offer from my company. 1 Ohm stable and more than enough to run an L7.

**acarmody** · 09-09-2009, 05:48 PM

Yeah the 800wrms for the one amp would be good, but the 1200wrms at 1-ohm for 2 subs wouldn't really be pushing the L7s. They are rated at 750wrms but can easily enough handle 1000wrms.

I got 2 dual 4-ohm L7s and I'm running two Cadence amps that make 1400wrms when bridged. I chose bridged because it saved my matching the settings on the two amps. So maybe think about two amps that could be bridged.

**Dan_VX_Spac** · 09-09-2009, 06:51 PM

Yeah i dont want to under power them and damage them. I was lookin at getting 1000watts to each sub

**Tasmaniak** · 09-09-2009, 06:54 PM

A pair of PPI 2000.1 might work well for you here. Reason being? PPI is going bye bye so everyone is trying to get rid of their stock. 1kwrms@1ohm

**acarmody** · 09-09-2009, 07:04 PM

Originally Posted by Dan_VX_Spac

Yeah i dont want to under power them and damage them. I was lookin at getting 1000watts to each sub

Underpowering doesn't kill subs. Underpowering and tuning badly kills subs. A lot of newbies and tossers who just want doof doof to be noticed use the gain setting as a volume control and end up killing thier equipment.

To the OP how much would a Kicker 1500.1 cost you? I thought they were about $1500. I would rather get 2 of these http://www.ryda.com.au/Soundstream-P...p/pcx1500d.htm . $1360 and 2200wrms of power with each amp running at 2-ohm. L7s should (used loosely) take that much power all day.

**Dan_VX_Spac** · 09-09-2009, 09:08 PM

Ok cool i will have to look into it more

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