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Boss Amp


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csprings 
Member - Posts: 2
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Joined: May 11, 2006
Posted: May 12, 2006 at 3:04 PM / IP Logged  
Alright so i got a boss blx3500M sub amp. I have read all the forums about these amps and have heard nothing but bad things about them. This one says 3500 peak, 2000 RMS at 1 ohm. I am going to wire it down to half an ohm also. I am going to run 2 2006 kicker 12" L5's in a sealed box. Will this amp be alright to power these? the subs take 600 RMS so even though boss overrates their stuff, it should still power it. This will be alright though right?
jeffchilcott 
Platinum - Posts: 2,483
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Joined: April 11, 2002
Location: United States
Posted: May 12, 2006 at 3:20 PM / IP Logged  
why do you want to blow your amp??? maybe im just confused, but if it says 1 ohm stable, and you have read nothing but bad things about them...why woud you wire it to half ohm.
Hope you have more money to buy a bigger amp the first few days you attempt to run it like this
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haemphyst 
Platinum - Posts: 5,053
Platinum spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: May 12, 2006 at 5:36 PM / IP Logged  
I can see NOTHING but bad choices here: Boss amp. Wired to 1/2 ohm (on purpose). L5's. (wait... never mind the L5 thing, you obviously dont care about SQ... the Boss amp is evidence of that)
This will do nothing but cost you... soon!
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
Master Asylum 
Silver - Posts: 400
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Joined: November 05, 2004
Location: United States
Posted: May 12, 2006 at 5:47 PM / IP Logged  
Ok while this probably was a bit stupid, that's a harsh response guys. Ok, I am just jealous you guys beat me to it. But well... Doing theoretical math... 2000 RMS doubled(1/2 the impedance) would be 4000 RMS correct? Well ok even a severely overrated amp isn't gonna be like 3000 off on rms... The subs can only handle 1200 total... Not a good idea. Ontop of already running the amp at a lower impedance than it is stable at... I mean, be smart about it man.
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zhalverson 
Copper - Posts: 180
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Joined: January 21, 2005
Location: United States
Posted: May 12, 2006 at 6:13 PM / IP Logged  
Or go for it and have a video camera and fire extinguisher handy!!Boss Amp -- posted image.
joegary 
Member - Posts: 6
Member spacespace
Joined: May 12, 2006
Location: United States
Posted: May 12, 2006 at 7:23 PM / IP Logged  
ok csprings had his info wrong the amp he is talking about is the boss blx3500m this is stable down to .5 ohms and irts fancooled and it is 2000 watts RMS at .5 ohms. Now my question that maybe someone can answer is how many LEGIT watts will the amp put down about at .5 ohms since boss overrates their stuff???? in RMS, and can u please use facts to support your numbers. thanks in advance
Build em Loud
joegary 
Member - Posts: 6
Member spacespace
Joined: May 12, 2006
Location: United States
Posted: May 12, 2006 at 7:28 PM / IP Logged  
sorry bout the double post but ALSO   heres a link to the ampv   http://www.cardomain.com/item/BOSBLX3500M
Build em Loud
jeffchilcott 
Platinum - Posts: 2,483
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Joined: April 11, 2002
Location: United States
Posted: May 12, 2006 at 8:22 PM / IP Logged  
again, the amp will not handle a 1/2 ohm load.   if you look at it on the site you posted, or at boss audio.com   it does not list a 1/2 ohm power   DO NOT RUN IT THERE
it has 3 40 amp fuses
here is the math
120amps of current draw before blowing the fuses
13.8 volts constant. You voltage does not move at all, this will never happen but will use it for the math
amp efficency at best 65%   most amps like Kicker and crossfire and other respectable high end amps do not get better then 75% efficency
so here is the math
120 x 13.8 x .65 = 1076.4 watts at 1 ohm with perfect voltage
so yes, the 3500 watt amp is rated over by 300%+
The amps I use personally are externally fused as reccomended by the manufacturer at 300 amps each
we run our new setup on 17.7 volts for show use only
the amps have an efficeny rating of of 65% at 1/4 ohm
our setup comes out like this
600amps x 17.7 volts x 65% = 9779.25
Our voltage does not more due to a kinetik bank of 4 cells, and 2 very very large alternators!
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
joegary 
Member - Posts: 6
Member spacespace
Joined: May 12, 2006
Location: United States
Posted: May 12, 2006 at 9:48 PM / IP Logged  
yes it does read the description it sayds that the amp is stable down to a half an ohm load. i quote "Exxtreme power is what you get from these high current, low impedance amps. You can even load them down to half an ohm for maximum power output! These high current Blade Exxtreme series amps are equipped with internal fans to dissipate heat....." so i figured i could wire them down to half an ohm. So when u use that formula, that calcualte Peak Power or RMS power?
Build em Loud
forbidden 
Platinum - Posts: 5,352
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: November 01, 2003
Location: Alberta, Canada
Posted: May 13, 2006 at 2:42 AM / IP Logged  
If the same site or spec sheet told you that when you use this amp you can see in the dark, cure cancer, breathe underwater and save the whales, would you still believe it then?
Top Secret, I can tell you but then my wife will kill me.
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