Adding To The Infinity Sound System In A 3g

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Adding To The Infinity Sound System In A 3g

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countryrunner455 View Member Profile	Jul 29 2008, 07:42 PM Post #21
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	thanks for the help but im thinking now that i would go for the two Ultra High Excursion. and the amp i already have is not going to stay long i think. im thinking about just getting a new one. what kind of amp would you guys recommend getting for the two Ultra High Excursion subs? i was looking at this one what is your guys take on it: http://sonicelectronix.com/item_1640_Audiobahn+A8001DT.html

bobthecow View Member Profile	Jul 29 2008, 08:06 PM Post #22
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	Its too weak. It won't even do half the power you need. This one is what you need: 800 rms It will run them at 800rms each. They can handle 1000. You will be running at about 80% of their capable power, which is about perfect.

silver03GS View Member Profile	Jul 30 2008, 03:13 AM Post #23
Expert Group: Members Posts: 774 Joined: 22-October 07 Member No.: 46,916 Status: Location: STL Mo USA Drives: 2003 Eclipse GS 5spd	QUOTE(bobthecow @ Jul 29 2008, 07:09 PM) Yes he would. Dual 4ohm makes it a 2ohm sub or an 8ohm sub. So he could power it a 1000rms, and its rms max is 1100 [right][snapback]188028[/snapback][/right] Dude I looked at that model number amp at Wal Mart, and on the box it says it only does 165watts or 365watts by 2 channels at 4 ohms. Bridge them together and either way it's not gonna be enough power to run that sub.

bobthecow View Member Profile	Jul 30 2008, 10:17 AM Post #24
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	Dude, I called Sony and Crutchfield(just cause i don't trust sony). The amp does 375wRMS by 2 at 4ohm. Meaning that it does 750wRMS by 1 at 4ohm. It does 500w RMS by 2 at 2ohm. Meaning that it does 1000RMS by 1 at 2ohm Don't mess with the expert.

silver03GS View Member Profile	Jul 30 2008, 02:47 PM Post #25
Expert Group: Members Posts: 774 Joined: 22-October 07 Member No.: 46,916 Status: Location: STL Mo USA Drives: 2003 Eclipse GS 5spd	QUOTE(bobthecow @ Jul 30 2008, 10:17 AM) Dude, I called Sony and Crutchfield(just cause i don't trust sony). The amp does 375wRMS by 2 at 4ohm. Meaning that it does 750wRMS by 1 at 4ohm. It does 500w RMS by 2 at 2ohm. Meaning that it does 1000RMS by 1 at 2ohm Don't mess with the expert. [right][snapback]188188[/snapback][/right] That's true, I forgot about the whole you can't trust Sony even about their own products.

countryrunner455 View Member Profile	Jul 30 2008, 06:27 PM Post #26
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	but if i was going to get that i would have to upgrade my alternator or add another battery right? because i don't know if the stock one would handle that amp. and to just add this in im going to get some new 6x9 and 6 3/4 speakers and there going to be infinity. 6 3/4: http://www.sonicelectronix.com/item_13447_...appa+63.9i.html 6x9: http://www.sonicelectronix.com/item_13965_...ppa+693.9I.html now would i just need an amp for the 6x9's for both?

bobthecow View Member Profile	Jul 30 2008, 06:47 PM Post #27
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	That sony amp will do the two subs. Then you will need a second amp to do the speakers. However... you do not NEED to amp up the aftermarket speakers. Also, since your amp is doing 1000RMS, you will need to get a cap, but you don't need a second battery or bigger alternator. A cap will only strengthen the power to the amp however, it will keep your headlights from dimming, but it will not strengthen the entire electrical system. I have a 1600RMS amp in my car and am only running a 1farad cap. No dimming, and not a single alternator problem after 3 years.

countryrunner455 View Member Profile	Jul 30 2008, 06:50 PM Post #28
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	yea i was kind of finguring that i needed to amp both the smaller speakers i found this one amp but i think it might be to much for the 6 3/4: http://www.sonicelectronix.com/item_6771_A...ahn+A4004V.html and pluse i don't have to worry about a cap i already have a 3 farad.

bobthecow View Member Profile	Jul 30 2008, 06:54 PM Post #29
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	That amp will be perfect for those speakers. And that cap will be great

countryrunner455 View Member Profile	Jul 30 2008, 07:05 PM Post #30
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	yea but would it blow up the 6 3/4 quick since it goes over the rms rating?

bobthecow View Member Profile	Jul 30 2008, 07:16 PM Post #31
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	Use these instead: http://www.sonicelectronix.com/item_6176_I...ppa+652.7i.html

silver03GS View Member Profile	Jul 30 2008, 11:42 PM Post #32
Expert Group: Members Posts: 774 Joined: 22-October 07 Member No.: 46,916 Status: Location: STL Mo USA Drives: 2003 Eclipse GS 5spd	QUOTE(countryrunner455 @ Jul 30 2008, 07:05 PM) yea but would it blow up the 6 3/4 quick since it goes over the rms rating? [right][snapback]188411[/snapback][/right] No the first infinity 6 3/4 were rated at 75watts RMs and that Amp does 50watts RMS. you would be fine.

countryrunner455 View Member Profile	Jul 31 2008, 06:18 PM Post #33
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	why use the other infinity speakers bob?

bobthecow View Member Profile	Jul 31 2008, 06:20 PM Post #34
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	Cause they are 4ohm not 2ohm. If you run those two at 4ohm you will run them at 50 of their possible 70ish. Then you run the 6x9 at 2ohm They will run at 100 of their possible 110ish.

countryrunner455 View Member Profile	Jul 31 2008, 06:28 PM Post #35
Full Member Group: Members Posts: 96 Joined: 28-June 08 Member No.: 60,255 Status: Location: Prairie Home, MO USA Drives: 2003 Mitsubishi Eclipse GTS	yea but those are 2 ohm speakers bob the ones that you posted.

bobthecow View Member Profile	Jul 31 2008, 08:15 PM Post #36
Professor Group: Admin Posts: 4,062 Joined: 5-February 05 Member No.: 5,964 Status: Location: st.louis, mo. usa Drives: 2002 Eclipse RS	shit. didn't see that. Oh well. The amp will have two seperate gain controls. Turn the gain down on the 2 channels that are powering the 6.75's and you will be fine.