Which amp for this sub?

AcidDrag0n
01-12-2003, 01:28 PM
Alright, I'm buying this sub right here:

http://www.adireaudio.com/mobile_audio/drivers/tempest.htm

What size amp do you guys think i need? Cheap ones would be nice :)

rthompson
01-12-2003, 03:00 PM
for a single Tempest a USAcoustics 2150 would be perfect, look at sounddomain.com.

Pretty much any amp between 400-500 watts will be great.

firebirdude
01-12-2003, 04:00 PM
Hey Acid! That doesn't happen to be going into a ported box aimed for SPL does it? LOL!;) :p

AcidDrag0n
01-12-2003, 04:01 PM
A SPY! :D :D

TriPinTaZ
01-12-2003, 05:22 PM
to get full potential from that subwoofer i would exceed its power recomendations by 200Watts RMS. It said it handles 400 watts per a voice coil and im assuming that is RMS watts @ 4 ohms. That would mean it actually handles 800 watts RMS.
I would recomend getting an amp that is 2 ohm stable rated at 1x1000 watts RMS @ 2ohms.
I have a crunch p2250 that is rated at 2 x 250 watts @ 4 ohms but its also 2 ohm stable. so if i show it a 2ohm load its pushes 2 x500 watts @ 2ohms.

Since that sub is dual voice coil design, i would wire it in parallel creating a 2 ohm load, then bridge a mono sub amp into 2 ohms.

droping the ohm load on an AMP doubles its output, now take that same crunch amp putting out 2x 500 @ 2 ohms nad show it a 1 ohm load and you will get about 2 x 750 watts per channel, However its not a 1 ohm stable amp and will quickly fry it.

I got my crunch for $175 its rated at 250 watts times 2 channels at 4 ohms. I have it pushing 500 watts times 2 channels in 2 ohm mode. Thats the best way to get your bang for the buck.

LS1 RULZ
01-12-2003, 05:25 PM
Originally posted by TriPinTaZ
Since that sub is dual voice coil design, i would wire it in parallel creating a 2 ohm load, then bridge a mono sub amp into 2 ohms.
Just to clarify something...you can't bridge a mono amp.

x7x7
01-12-2003, 05:48 PM
the tempest has dual 8 ohm voice coils so you should wire the coils in parallel for a 4ohm load. Go with an amp that puts out at least 600W RMS at 4 ohms. More power if you want more bass and less power if you don't really want it that loud, it's up to you.

AcidDrag0n
01-12-2003, 06:18 PM
Ok, i need you guys to explain some things. What exactly is an ohm? How would i wire it parallel? Some examples of amps that you suggest I use.

firebirdude
01-12-2003, 07:23 PM
the tempest has dual 8 ohm voice coils so you should wire the coils in parallel for a 4ohm load.
You are correct and I am king of the world!!! LOL!!!:D
Originally posted by TriPinTaZ
Since that sub is dual voice coil design, i would wire it in parallel creating a 2 ohm load, then bridge a mono sub amp into 2 ohms.

droping the ohm load on an AMP doubles its output, now take that same crunch amp putting out 2x 500 @ 2 ohms nad show it a 1 ohm load and you will get about 2 x 750 watts per channel, However its not a 1 ohm stable amp and will quickly fry it.
This is making no sense. LS1 is correct. You can't bridge a mono amp. And all the jumble about the crunch amp is not the way to go in this case. Don't even know why you mentioned it.......crunch = flea market. They are better then Pyramid or Rockwood........ so basically it's the best of the turds. But you know what they say, no matter how much you polish a turd, it still looks like s#it!


An ohm is a unit of measurement. It is the unit for resistance. If you have less resistance you allow more current to flow. And since P=V*I where P=power V=Voltage I=Current. When you double current, you double overall power. So when people want the most power out of their amp, they run at a low resistence (yes I know LS1, impedence. I trying to keep it simple :) ) Since the Tempest has dual 4 ohm voice coils, you would want to wire them in parallel to give you a 2 ohm load. To do this, you wire all the positives together and then wire all the negatives together. I recommended the JBL BP600.1 because it is one of the cheapest but still quality amps right now. It will give your Tempest roughly 650WRMS at full tilt.... which should be plenty in a big a$$ ported box like yours.

x7x7
01-12-2003, 07:33 PM
Originally posted by firebirdude
Sorry bro. You're thinking of the Shiva. The Tempest has Dual 4 ohm coils........

Nope, the tempest is dual 8 just like the shiva.

http://www.adireaudio.com/Files/TempestTechSummary.PDF


The JBL 600.1 would not be a good amp for a single tempest as it would only give it about 300W RMS.

firebirdude
01-12-2003, 07:46 PM
That's what I said!!!! LOL! Just kidding around. You're right. I seen an Re of 3.5ohm and took off with it!!! Little did I know that was measured with voice coils already in parallel!! Although it clearly says that........ my eyes are getting old......lol


Sorry acid. The JBL BP600.1 would not be a good choice for that woofer. But the BP1200.1 would!!!! LOL:D The Shiva and the Tempest are meant to run in pairs. Are you sure you don't have enough room for two???:D :D Maybe two Shivas??:D :D

AcidDrag0n
01-12-2003, 08:08 PM
I can only get 1 15 in there. 2 is too big and too much $ for me. I already have to buy an amp. so the JBL 1200.1?

firebirdude
01-12-2003, 08:13 PM
What about 2 12" Shivas??? $250 shipped to your door from www.ampmanaudio.com

The 1200.1 will give you approx. 650WRMS to your Tempest....... it's just a shame to have an amp capable of 1300W and only be getting 650W...... see what I'm saying????

TriPinTaZ
01-13-2003, 12:52 AM
oh please forgive me ! i made an error, What i meant was bridge the amp into MONO mode. Or you can buy a MONO sub amp that is 2 ohm stable. But after reading further 2ohm stable is useless on this subwoofer unless you get a pair of subs.

As far as crunch being a turd, Fu** you. Its my turd and it pounds hard. JBL isnt much better if any anyhow. And I was using the crunch AMP as an example, I never said to go out and buy one, I was refering to the power he was going to need. How would you feel if i called your firebird a POS just because its not as fast as mine??? Get a little offended? Your ignorant.

Also I didnt read it too closely that it was already 3.5 ohms wired in parellel. That kinda sux, your gonna get half of the power potential from your amp with that.

firebirdude
01-13-2003, 01:39 AM
Originally posted by TriPinTaZ
Its my turd and it pounds hard.
LOL!!!!!!!! You said it! Not me!:p

Originally posted by TriPinTaZ

JBL isnt much better if any anyhow.
JBL outputs the rated power.......... crunch doesn't......... simple as that. I speak from experience. I honestly didn't mean to offend......

badasscamaro
01-14-2003, 02:02 AM
the crunch is a turd and should not even be called an amp.
honestly save your money and buy exactly what you want not
flea market crap. believe me once you have it your just gonna want to get better soundin stuff( I have done it plenty of times
2000 dollors later) and look at the xmax on that sub its a joke
of a sub. but if its all you can afford and really want it, go with the jbl or kenwood amps cheap but will get the job done.

as for my last setup alpine mrv 1507 amp pushin 1500 watts max
and a 1000 continous, 1 farad cap. and it pushed two12" diamond audio subs( not the mac daddys unfortunetlly) just the m3 motorsports. as for speakers mb quart(not Q series damnit)lol

TriPinTaZ
01-14-2003, 06:13 AM
Originally posted by badasscamaro
the crunch is a turd and should not even be called an amp.
honestly save your money and buy exactly what you want not
flea market crap. believe me once you have it your just gonna want to get better soundin stuff( I have done it plenty of times
2000 dollors later) and look at the xmax on that sub its a joke
of a sub. but if its all you can afford and really want it, go with the jbl or kenwood amps cheap but will get the job done.

as for my last setup alpine mrv 1507 amp pushin 1500 watts max
and a 1000 continous, 1 farad cap. and it pushed two12" diamond audio subs( not the mac daddys unfortunetlly) just the m3 motorsports. as for speakers mb quart(not Q series damnit)lol

Well I think 1000Watts of Crunch bass is plenty for me, and it sounds just fine and people can hear it form 3 blocks away.....but I only spent $175 on the amp and $100 for a pair of 600W DVC DHD "Lighted" 12 inch SUbs i bought from a friend....So I only spent $275...excluding the Kenwood GT speakers replacing all factories and the Pioneer DEH7400 cd/mp3/XM sat radio with active matrix display on my sound system. So that $2000 you spent on sound..LOL for what I spent on mine its way too damn loud for me to even turn up. I took my $2000 and put it into a 383 stroker. So go ahead and play your music loud, my NOS'd 383 will screaming so loud all you will hear in engine.:bow:

rthompson
01-14-2003, 06:06 PM
Originally posted by badasscamaro
and look at the xmax on that sub its a joke
of a sub. but if its all you can afford and really want it, go with the jbl or kenwood amps cheap but will get the job done.


man you are really showing your ignorance here. it has more excursion than the Alpine TypeR, Infinity Perfect 12, JL 15w3, 12w6, it really is an incredible sub for the price it has a ton of excursion. I have never seen a dissatisfied customer, but if you had a different experience please let me know. Tell me what do you know about the Tempest, because it seems you know very little about it.

Oh yeah the MRV 1507 is 750 watts RMS.

firebirdude
01-14-2003, 06:25 PM
Originally posted by badasscamaro
and look at the xmax on that sub its a joke
of a sub. but if its all you can afford and really want it, go with the jbl or kenwood amps cheap but will get the job done.

Damn, are you talking about the Tempest????? If so, you really should do a little more research before you make a comment like that...... It's one of (if not THE) best bang for the buck 15"s around now......

TriPinTaZ
01-14-2003, 11:34 PM
dont ya just love ignorant people talking sh!t about stuff they have no experience in ? He says the Tempest sucks...lol he says Crunch sucks.....I just plain think YOU SUCK badasscamaro

badasscamaro
01-15-2003, 01:38 AM
Ok to start off maybe you didnt see the (1500w max) I so plainly
typed and 1000w continous If you didnt see that. As far as
spending 2000 dollors thats the whole amount for every set up.
you think I would pay 2000 for that setup hahaaha try $600
If you can buy that same exact setup for that then :bow: but
I got all that because I got hookups. Just the amp alone goes for more than 600 (back then). Im sorry but my subs had a 2inch
excursion so when I saw mm I laughed but not realizing that
it was 16mm. Im sorry I dont know as much as you car audio
kings your comments have enlightened me and I should bow to you?

rthompson
01-15-2003, 06:54 PM
Originally posted by badasscamaro
and I should bow to you?

YES... LOL

rthompson
01-15-2003, 07:01 PM
Originally posted by badasscamaro
Ok to start off maybe you didnt see the (1500w max) I so plainly
typed and 1000w continous If you didnt see that.

That amp is rated for 150x2 RMS. using Ohm's law we can plainly see that it will do no more than 600 watts , protection circutry may reduce that number, that is why many 150x2 amps do 450 bridged. There is nothing that will cause physics as we know it to bend just for this amp to produce 1000 watts. I went to one retail site that claimed that this amp did 750 to a 4 ohm mono load, but that was a Euro site, but it was the same model #..... i dunno

TriPinTaZ
01-16-2003, 12:00 AM
Originally posted by badasscamaro
Ok to start off maybe you didnt see the (1500w max) I so plainly
typed and 1000w continous If you didnt see that. As far as
spending 2000 dollors thats the whole amount for every set up.
you think I would pay 2000 for that setup hahaaha try $600
If you can buy that same exact setup for that then :bow: but
I got all that because I got hookups. Just the amp alone goes for more than 600 (back then). Im sorry but my subs had a 2inch
excursion so when I saw mm I laughed but not realizing that
it was 16mm. Im sorry I dont know as much as you car audio
kings your comments have enlightened me and I should bow to you?

Then why did you claim you had a $2000 system ????
MY subs costs $150 each, but I got both for $100 cuz I GOT hookups too.
Ohand my AMP goes for $250 ( when I bought it) But I got it for $175....and the sealed box goes for $75.....I got it FREE.

The Pioneer PH7400 I paid $300 for when I got it it was retailing for $399.

And my speakers were replaced under warantee, so i got KEnwood GT's for FREE another $350 value.

So my system is easily a $1200 system that I only paid $600 for.....Just cuz u work at Best Buy doesnt make you special.:o

badasscamaro
01-17-2003, 02:19 AM
yeah about that I dont think best buy sells diamond audio but good try anyways. and as far as my mrv 1507 only doing 700 or
whatever whats max, I dont think sp check again I think you have the wrong model. you have to order them they dont normally sell them on hand.because most people dont need that
powerful of an amp. I always stick to the saying you get what you pay for,believe me I started off with modest **** then slowly
proggressed into the nice systems.It just makes me laugh because I live in a place where people buy cheap **** and distorte (sp?) the fu** out of it. and alot of people need to invest in some dynamat because there trunks rattle so much you cant even notice the bass. :D