connecting subs to amps?

1382 Views 7 Replies 3 Participants Last post by Roan, Apr 29, 2004

titanium3

Discussion Starter · Apr 28, 2004

ok i searched and read a lot of threads on this topic but i still have a few questions...

i'll first give you the background... i'm planing on getting a complete system for my 3... i have to buy all the parts from bestbuy up her in canada becasue i can get them at cost +10%... therefore my choices are limited... i'm building a single 10" custom ported box and doing the installation myself...

the sub i'm gonna use is a Rockford Fosgate Punch Stage 3... its a dual voice coil sub and it comes in either 2 or 4 ohm configurations... my first questions is which one should i get (2 or 4ohm) if my choice of amps is as follows...

Rockford Fosgate Punch P3001 (1 channel)
Rockford Fosgate Punch P3002 (2 channel bridgable)
click here for a comarison chart of the two amps

i'm a little confused because the sub has a dual voice coil and i don'l know if that means i have to connect them separately or if they share the same terminal... also i don't know if its better to run at 2 ohms or 4...

i found the following picture at one of the websites refered to by a thread on the tipic...

what i gather from this picture is that the dual 4 owm sub would require an amp running at 2 ohms and the dual 2 ohm sub would require an amp running at 1 ohm... is this right?

any input is appreciated... some links to some sites where i can learn more about this tuff would be great too...

thanks

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titanium3

Discussion Starter · #3 · Apr 29, 2004

thanks... i found a great tool on the rockford page that helps you determine the different wiring options for your sub...

i have two more questions... which is better, to run the mono amp at 300Wx1 with a 2 ohm load or the 2 channel amp bridged at 300Wx1 with a 4 ohm load

and are there any advantages or disandvantages to hooking up a sub in either serial or parallel... i remember reading something about this but can't find the thread now.... :?

the 4 ohm load being a 2 ohm dual voice coil 10" Punch P3 wired serial as follows

the 2 ohm load being a 4 ohm dual voice coil 10" Punch P3 wired parallel as follows

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titanium3

Discussion Starter · #5 · Apr 29, 2004

i think both amps are pretty much the same as far as the power supply... if you look at the specs they are pretty much identical except one is mono and the other 2 channel...

i'm just wondering if one amp is working harder than the other because the mono has a 2 ohm load and the 2 channel has 4 ohm load but its bridged... is there a difference?

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titanium3

Discussion Starter · #7 · Apr 29, 2004

i see... thanks for all the info... i'm gonna go with the mono amp setup then...

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