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will i blow my amp


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jesse88 
Member - Posts: 1
Member spacespace
Joined: January 20, 2009
Location: Australia
Posted: January 20, 2009 at 8:21 PM / IP Logged  
i have just bought an AA0460 response class d mono block amp and i wanna hook it up to two cerwin vega XL-12D duel voice coil subs the subs are rated at 125w rms per voice coil so 250w rms per sub and they are 4 ohms per voice coil. i have these subs wired up positive to positive and negative to negative so they are 2 ohms per sub i then wanna hook these subs up together positive to positive and negative to negative so together they are 1 ohm total then wire them to my amp in bridge so positive off 1 channel and negative off the other channel would this work or would i blow my amp?
specs for my amp are:
Power/channel @ 1 ohm mono 14.4v = 1000w rms x 1
Power/channel @ 2 ohm mono 14.4v = 600w rms x 1
Power/channel @ 4 ohm mono 14.4v = 300w rms x 1
Thanx in advance, Jesse
haemphyst 
Platinum - Posts: 5,057
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: January 20, 2009 at 9:22 PM / IP Logged  
It's a mono amp. There is no "bridge". I have no idea who or what the manufacturer of that amp is, but what fuses are in it?
Four 4-ohm voice coils all wired in parallel is 1 ohm. If the amp is reasonable or even half respectable, it'll be safe driving a 1 ohm load, as claimed...
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."
i am an idiot 
Platinum - Posts: 13,708
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: January 20, 2009 at 9:23 PM / IP Logged  

Isn't it a 1 channel amplifier?  If it has 2 positive and 2 negative speaker terminals on the amp, they are connected together internally.  According to the specs you posted, the amp will handle a 1 ohm load.

j.reed 
Copper - Posts: 716
Copper spacespace
Joined: January 05, 2009
Location: Arkansas, United States
Posted: January 20, 2009 at 9:35 PM / IP Logged  
The reason a mono block has more than one positive /negitive is to make it easier to install more than one sub when you have more than one lead running to the amp. As i am an idiot said above. It is connected together internally. The 2 positives and negitives are going to the same spot. So it makes no differance which positive or neg you use to hook up your leads on a MONO block
will i blow my amp -- posted image.

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