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do you think my setup is wrong?


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ae100pro 
Member - Posts: 4
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Joined: October 09, 2007
Posted: October 10, 2007 at 5:09 AM / IP Logged  
my items are below
1 x alpine pdx1.1000 monoblock amplifier
2 x Soundstream xpro 12 300watts rms woofer
i am using 2 dvc woofer at 4 ohms but i dont see any heart pumping action
the woofer is basicly quite strong but i dont feel as much bass for the amount i paid
do you think my setup is wrong??or not enough power from the car??
tq
jvillefinest 
Copper - Posts: 255
Copper spacespace
Joined: December 29, 2003
Location: Florida, United States
Posted: October 10, 2007 at 6:24 AM / IP Logged  

first off your only getting half the power you paid for.

check your tuning with your gain and freq...you might just be getting what you paid for.

2007 Acura TSX
SQ setup in the works
haemphyst 
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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: October 10, 2007 at 8:11 AM / IP Logged  
jvillefinest wrote:

first off your only getting half the power you paid for.

check your tuning with your gain and freq...you might just be getting what you paid for.

Why do you say that? That amp is 1kW into 2 or 4 ohms. Two, 4 ohm DVC woofers will get him a 4 ohm load if he's wired it correctly. It's not shutting off, so he DOESN'T have them all wired in parallel... Even if they were all wired in series, for 8 ohms, that amp still makes WAY more than 600 watts (required to power the woofers to full capacity).
My guess is that he has one of the woofers wired backwards. Reverse the input leads on ONE of the woofers, and see if that helps.
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."
ae100pro 
Member - Posts: 4
Member spacespace
Joined: October 09, 2007
Posted: October 10, 2007 at 9:59 AM / IP Logged  

my subwoofer is wired exactly right on the diagram below

do you think my setup is wrong? -- posted image.

do you think wiring the + and - will affect?

my amp + output and i go for - and - i go for +?

i can feel if the subwoofer is wired wrongly,as the bass will sound different

ae100pro 
Member - Posts: 4
Member spacespace
Joined: October 09, 2007
Posted: October 10, 2007 at 10:01 AM / IP Logged  

btw,i have tune my amp to the max ,

my heart isn't pumping,only the hood is pumping like ****

sarcomax 
Copper - Posts: 276
Copper spacespace
Joined: November 09, 2005
Location: California, United States
Posted: October 10, 2007 at 10:52 AM / IP Logged  

What kind of box are these subs in? I would reccomend not tuning the amp to the "max", but rather tune it correctly.

The + and - make all the difference in the world. I would triple check your wiring, and if it looks good, I would wire up only one sub and see if it plays louder. if it does, then I would wire up the other sub again by the diagram, and if it still plays bad, I would take it to a shop.

ae100pro 
Member - Posts: 4
Member spacespace
Joined: October 09, 2007
Posted: October 10, 2007 at 11:43 AM / IP Logged  

ported custom made enclosure

i guess i just take a little time and check on the wiring again

which is better?2 or 4 ohms?

jvillefinest 
Copper - Posts: 255
Copper spacespace
Joined: December 29, 2003
Location: Florida, United States
Posted: October 10, 2007 at 12:37 PM / IP Logged  
haemphyst wrote:
jvillefinest wrote:

first off your only getting half the power you paid for.

check your tuning with your gain and freq...you might just be getting what you paid for.

Why do you say that? That amp is 1kW into 2 or 4 ohms. Two, 4 ohm DVC woofers will get him a 4 ohm load if he's wired it correctly. It's not shutting off, so he DOESN'T have them all wired in parallel... Even if they were all wired in series, for 8 ohms, that amp still makes WAY more than 600 watts (required to power the woofers to full capacity).
My guess is that he has one of the woofers wired backwards. Reverse the input leads on ONE of the woofers, and see if that helps.

good call...never realized that it was at full power at 4ohms. my bad.

2007 Acura TSX
SQ setup in the works
haemphyst 
Platinum - Posts: 5,054
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: October 10, 2007 at 1:37 PM / IP Logged  
ae100pro wrote:
which is better?2 or 4 ohms?
That amp it won't matter. 1kW into both loads.
jvillefinest wrote:
good call...never realized that it was at full power at 4ohms. my bad.
NP. I just happen to have that amplifier, and I've put it through a few paces. do you think my setup is wrong? -- posted image.
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."
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: October 10, 2007 at 10:24 PM / IP Logged  
ae100pro wrote:

btw,i have tune my amp to the max ,

my heart isn't pumping,only the hood is pumping like ****

what does this mean??
So you turned the gain all the way up and the bass boost all the way up so its "louder"
And who built this "custom ported enclosure"
could have been custom as in just built but not custom for your setup
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