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1 or 2 subs?


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mrdragon 
Copper - Posts: 121
Copper spacespace
Joined: October 08, 2003
Location: Australia
Posted: September 02, 2004 at 9:16 PM / IP Logged  

hi guys need to ask this...this is what i got 2 12" Kicker EX both rated @ 125WRms(ported), and my amp for each sub is 50Wrms...should i just use 1 sub and BRIDGE the amp to 100Wrms??

Which sound better?

evanc 
Copper - Posts: 148
Copper spacespace
Joined: June 20, 2004
Location: Virginia, United States
Posted: September 02, 2004 at 9:21 PM / IP Logged  
Bridge the amp, runnning it in stereo won't even be close to enough power.  I would highly recommend a larger amp.
mrdragon 
Copper - Posts: 121
Copper spacespace
Joined: October 08, 2003
Location: Australia
Posted: September 02, 2004 at 9:24 PM / IP Logged  

Ok my sub is 4 Ohms and this is the info on my amp:

Amp

Max Power OutPut (4 Ohms)

Normal                         100 W x 2

Bridge                                      300 W x 1

 

Rated Power  Output (4 Ohms)

Normal                                     50 x 2 (20 Hz – 20 kHz less than  0.08 % THD)

Bridge                                      150 x 1(1 kHz 0.8 % THD)

 

Rated Power Output (2 Ohms)

Nomal                                      75 x 2 (1 kHz 0.8 % THD)

Now what is the best way to wire this??

Thanks sorri about the mess!

stevdart 
Platinum - Posts: 5,816
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: September 02, 2004 at 9:27 PM / IP Logged  

That is not at all readable.

I second the recommendation above...but bridging an amp will not produce the power you stated above.  That is, the ohm load would be different when each sub is wired in stereo to the amp, so combining them changes it.  And bridging an amp halves the ohm load.  Please post the impedance of each sub.  And the actual ratings of the amp as it is spec'd for the different loads.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
mrdragon 
Copper - Posts: 121
Copper spacespace
Joined: October 08, 2003
Location: Australia
Posted: September 02, 2004 at 9:35 PM / IP Logged  

My Kicker 12" sub is rated at 4 Ohms ( and i got 2 )

 

Amp

Max Power OutPut (4 Ohms)

Normal                         100 W x 2

Bridge                                      300 W x 1

 

Rated Power  Output (4 Ohms)

Normal                                     50 x 2 (20 Hz – 20 kHz less than  0.08 % THD)

Bridge                                      150 x 1(1 kHz 0.8 % THD)

 

Rated Power Output (2 Ohms)

Nomal                                      75 x 2 (1 kHz 0.8 % THD)

stevdart 
Platinum - Posts: 5,816
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: September 02, 2004 at 9:38 PM / IP Logged  
Now that's better!   ;)
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
mrdragon 
Copper - Posts: 121
Copper spacespace
Joined: October 08, 2003
Location: Australia
Posted: September 02, 2004 at 9:44 PM / IP Logged  

So can u tell me what is the best way to wire it???

Thanks :)

stevdart 
Platinum - Posts: 5,816
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: September 02, 2004 at 9:50 PM / IP Logged  
You posted nonsense garble.  I have no info to go on.  You are trying to impose rich text into a plain text window.  Please just type in the box the answers to what I asked. 
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
mrdragon 
Copper - Posts: 121
Copper spacespace
Joined: October 08, 2003
Location: Australia
Posted: September 02, 2004 at 10:07 PM / IP Logged  

Amp

Max Power OutPut (4 Ohms)
Normal   100 W x 2
Bridge    300 W x 1

Rated Power  Output (4 Ohms)

Normal    50 x 2 (20 Hz – 20 kHz less than  0.08 % THD)
Bridge   150 x 1(1 kHz 0.8 % THD)

Rated Power Output (2 Ohms)

Nomal   75 x 2 (1 kHz 0.8 % THD)
 
I got 2 12" Kicker EX sub...each sub is 125Wrms rated @ 4 Ohms each(not sure whether it's DVC or not)
So can you show me what is the best way to wire it..both dvc abd svc?

Thanks sorri for all the trouble b4!

stevdart 
Platinum - Posts: 5,816
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.spaceThis member consistently provides reliable informationspace
Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: September 02, 2004 at 10:14 PM / IP Logged  
You don't know if they are dual voice coil?  Look at the back of a sub, are there two sets of terminals (on opposite sides) or one?  And how do you know they are 4 ohm?  Is there a colored dot on the positive?
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
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