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> What Power Amp, Dual-Coil
post Apr 27, 2004 - 11:32 PM
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Consynx



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the Solo Baric series i heard hits really hard, so i decided to get soem S8L7s
they are dual 4-ohm speakers with 450watts max.

im looking to get a profile amp because they have a nice warranty and are good amps from what i hear.

basically im curious what kind of power i want to run. there's KenWoods that i would get that put out 150X2 for thesame price as a profile putting 200X2

one profile does 200X2 @4 and 400 or 450X2 @2...i don't plan to blow em, but should i stay away from it for safety?

all opinions appreciated.


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post Apr 28, 2004 - 1:22 AM
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pxcr440

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for one , get as much power as you can for those solos cause they like it my friemd fried to amps on those cause he used to small of amp and messing with gains alot to make it work its better have more mopre then not enough ,
post Apr 28, 2004 - 2:50 AM
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Clipsetuner



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I Havent had alot of time with solobarics, I do know that they like alot of power. 450watts max, is that RMS? personaly I belive In Phoneix Gold Amps, they are local to me and are rating are really what there amps are pushin. Brigded is gonna give the most bang per buck then wiring them in Parrel. It would be in your best intrest to get more, and also get a Bass Knob.
DTE


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post Apr 28, 2004 - 3:57 AM
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shid



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Subs are damaged more by too little power, than by too much.
post Apr 28, 2004 - 8:44 AM
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AudioFreak

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Get yourself a quality amp. You don't want to cheap out on the amp, you'll regret it. Look for a kicker, mtx, xtant, phoenix gold, us amps, audiobahn.

I would connect the two coils in parallel for a 2 ohm load. Look for an amp capable of 400 watts rms into 2 ohms. Solobarics don't sound their best untill they get driven hard.

post Apr 28, 2004 - 1:18 PM
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Consynx



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why no Profile? aren't they supposed to be relatively new?
Their also supposed to be good amps.

also, nobody said anything about caps, so i take it i would be fine w/o one as well as w/o a grounding kit


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post Apr 28, 2004 - 1:32 PM
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shid



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Ok, the real question is, is your amp going to pump 400 watts into each speaker- of 400 watts into BOTH speakers (resulting in 200 watts to each speaker).

So, for a 2 JL 3v2 (optimal RMS around 300w); you will have to buy an amp that delivers 600w @ 2 ohms.

Just because it says 600w@2 ohms doesn't mean each sub will be getting that much! Anything but.

I wrote this, knowing most of you already know- because it was an issue I was confused with for a long time.. smile.gif
post Apr 28, 2004 - 1:42 PM
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Consynx



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i was looking at 2-channel amps at first, but you guys are making it sound like getting one amp at say...850@2ohmX1 would be smarter.

i do not know all the terms for sound, although farads and amperes and all isn't new since i'm all science...


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post Apr 28, 2004 - 1:45 PM
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shid



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850@2ohmX1 would deliver 425 to each sub I think smile.gif so yeah, good
post Apr 28, 2004 - 2:02 PM
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Consynx



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for an amp to be able to do 850@2X1 it would need a 2nd channel area right?
or do you guys branch out the wires after it leaves the amp?

like i said, i'm new to stereos, but know science...
and a series would NOT be good on that first sub tongue.gif


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post Apr 28, 2004 - 2:58 PM
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shid



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The wires branch, I'm not sure on the wiring myself as I have let to do my own sound system- but a second channel area is not needed. I think.
post Apr 28, 2004 - 3:11 PM
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Consynx



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okay, i did some more price checking and for a 850+ watt X1 bridge is like $700.

where as a 200X2 at 4ohm and 400X2 @2ohm is between 200-400

i take it bridging is only cheaper with subs that take b/t 100-200 each?

Edit: I still need to know why NOT to get Profile amps w/ their 3-yr warranty.
they're a good chunk cheaper than other brands

This post has been edited by Consynx: Apr 28, 2004 - 3:18 PM


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post Apr 28, 2004 - 4:22 PM
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I just looked at the kicker site. I'm pretty sure the 450watts max is the combined total power not each voicecoil. You may want to email kicker to make sure.

As for profile. Yes they are cheaper. Yes they have a good warranty. BUT if you compare a quality amp of the same power to a profile, there is no comparison. My old boss at the stereo shop I worked at always said that quality amps will cost atleast $1 a watt or more. You really do get what you pay for.

The other thing is that when profile says the amp is 400 watts they mean peak power. When xtant, kicker,mtx or audiobahn rates an amp at 400 watts it is rms power. The good amps are rated in rms because it is a much more accurate rating.
post Apr 29, 2004 - 12:00 AM
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Consynx



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ok, Thanks.

i have changed my sights to a new Audiobahn amp that is...well new
it runs 800X1@4ohm bridged.

So now does it seem that i have everything covered
2 Solo Baric L7s (450max, and power hungry)
1 Audiobahn 800watts bridged
Lightning Audio .5 farad cap
Street Wires .4gauge w/ 100 fuse


I also need to source a grounding Kit, and any suggestions on certain materials to make a QUALITY box(not angles). Such as NOT wood, certain port holes...


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post Apr 29, 2004 - 1:45 PM
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For a solid box use MDF. It's dusty as hell to cut but it is acoustically dead. I've always liked the sound of solobarics in sealed boxes. They handle more power and sound much tighter. You can get more volume but also more boomy sound from a ported box but you need to cut back on the power.
post Apr 29, 2004 - 2:00 PM
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Consynx



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okay, this is where im confused again.

i checked the Kicker website and read through the manual for making boxes and such. Before the boxes part they said the speakers take 450RMS and something like 800max(different from their boxes)

so i was thinking around 400, but then in the boxes area it went on to comment on 325 for two kinds(one of which being a ported with fake seal-like wall) and the other being 300...

I already have my foot in the door ready to buy the Audiobahn amp with 200X2 or 800X1...

Also, what is MDF?


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post Apr 29, 2004 - 4:22 PM
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QUOTE (shid @ Apr 28, 2004 - 8:57 AM)
Subs are damaged more by too little power, than by too much.

Not true sir, please try to explain yourself.... rolleyes.gif

Ok you have to 8L7's.....they love around 500w rms, a Hifonics Brutus BX1000d is PERFECT for your application. Wire them together in parallel to a 1ohm load and your set.

post Apr 29, 2004 - 4:27 PM
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QUOTE (shid @ Apr 28, 2004 - 8:57 AM)
Subs are damaged more by too little power, than by too much.

As you mention, if it were possible, turning the volume down would damage your speakers. wink.gif

The myth comes from misconception.

IF people install too small of an amp they MAY find themselves wanting more output than what they have.
They may not understand what the gain control is for, and crank the gain knob "because it gets louder when I do".

In cranking the gain knob, they are clipping the signal - potentially massively.
They are increasing the power, but they are wickedly distorting the signal.

Your amp is "rated" to produce a certain amount of power, while keeping it's distortion specs as they are also listed on the spec sheet.

In cranking the gain knob, you can send out much more power than the amp is designed to produce.
But it's not just the power spec that'll be out of whack with respect to what's "rated" on the spec sheet... so will all the distortion specs.

The amp is rated to be used properly.

If you abuse the amp, and cause it to send a larger amount of exceptionally distorted power to your sub... and that amount of power exceeds your sub's RMS rating...
...it's not because you didn't have enough power for your sub, it's because you fed it too much power.
You just abused a smaller amp to get it to produce too much power.

Phew.

After reading through this, you can see why it's a huge stretch to say "too little power kills".
It's more true to say "abuse kills". smile.gif
post Apr 29, 2004 - 4:32 PM
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CelicaDEATHdie



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QUOTE (AudioFreak @ Apr 28, 2004 - 1:44 PM)
I would connect the two coils in parallel for a 2 ohm load. Look for an amp capable of 400 watts rms into 2 ohms. Solobarics don't sound their best untill they get driven hard.

You can only achieve a 4ohm load, or a 1ohm load with 2 Dual 4ohm subs.

Solo's never sound good no matter how much power you give them biggrin.gif , just spl....

"Driven hard" by that you mean give them full rms or more power I hope.
post Apr 29, 2004 - 5:29 PM
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Consynx



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QUOTE (CelicaDEATHdie @ Apr 29, 2004 - 2:32 PM)
Solo's never sound good no matter how much power you give them biggrin.gif , just spl....

ouch frown.gif


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