Evaluate my setup, all coments welcome

 

New member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 5
Registered: Nov-09
this is in my chevy pickup truck. I got 2 Rockford fosgate T1500-1bd amps, 1 is powering 2 t1 10inch subs and 1 is powering 1 t2 12inch sub. I am planing on competing in an spl competition to see where I am at. Right now the 2 10's are in a custom box under the back seat and the 1 12 is in a custom box as a center console between the front two seats.


[IMG]http://i208.photobucket.com/albums/bb275/tgspeedracer/2009-12-01164510.jpg[ /IMG]

[IMG]http://i208.photobucket.com/albums/bb275/tgspeedracer/2009-12-01164519.jpg[ /IMG]

[IMG]http://i208.photobucket.com/albums/bb275/tgspeedracer/2009-12-01164527.jpg[ /IMG]
 

New member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 6
Registered: Nov-09
stock battery, stock alt. 0/1 gauge power wire to rf 10 farad cap to distribute 4 gauge to amps, 8 gauge speaker wire
 

Platinum Member
Username: Rovin

1 15 = 152.5 DBs ...Trinidad & T...

Post Number: 15709
Registered: Jul-05
upgrade to a high output alternator & upgraded batt

what ohmage r the 10s & 12 ?

imo get rid of the 10s & buy a 2nd 12" or vice versa .... so u either do 2 10s or 2 12s NOT 2 different sizes which = cancellation


remove ur back seat & build a proper SPL box ...
 

Gold Member
Username: Tejcurrent

Post Number: 2033
Registered: Apr-07
Im with rovin. 3 mismatching subs and power will have a harder time putting up good numbers than 2 matching 12s.

I would lose the cap and buy a powermaster 3100 or something. Smd forum is having a group buy this month, they're under 300. This will help your voltage till you upgrade your alternator. 1 250 amp would probably be good. With the upgraded batteries.

If you really want to be competitive I would start with the subs and a new box.

Sorry If this formats weird, posting from phone.
 

Platinum Member
Username: Nd4spd18

Philadelphia, PA

Post Number: 10789
Registered: Jul-06
Two problems I see here...

Don't mix different subs or different sizes, cancellation as mentioned already

Those amps are not very efficient and definetly too much for a stock electrical
 

New member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 7
Registered: Nov-09
the 2 10's are dual 2ohm and I am running them 2 ohm to the amp.
and the 12 is dual 4ohm and I am running it 2ohm to the amp.

I cant get rid of my back seat, I have a kid and this is my second vehicle. so just in case I need the back seat.


what about building a spec box for the 12 and just put it on the back seat?
 

New member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 8
Registered: Nov-09
right now I have my 12 facing forward into the dash and it sounds pretty good. do you think it is still canceling with them all facing forward?
 

Platinum Member
Username: Nd4spd18

Philadelphia, PA

Post Number: 10795
Registered: Jul-06
If there are different size subs or different subs it causes cancellation thats all there is to it.
 

New member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 9
Registered: Nov-09
what if I make them specific frequency's per 10's and 12's

just trying to save some money. now that I have all of this
 

Platinum Member
Username: Nd4spd18

Philadelphia, PA

Post Number: 10797
Registered: Jul-06
The less crossovers the better, one type of subwoofer is sufficient to cover the bass frequencies
 

Bronze Member
Username: Tgspeedracer

Highlands ranch, Co Usa

Post Number: 13
Registered: Nov-09
what if I did 2 t1 12's and 1 t2 12, the t1's in a sealed box and the t2 in a ported box?
 

Platinum Member
Username: Nd4spd18

Philadelphia, PA

Post Number: 10815
Registered: Jul-06
Dude, idk how many times you need to hear it... there is a reason anyone who knows what they're doing doesn't mix different subs, it does not produce good results
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