system amp problems

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nickch

Copper - Posts: 50

Joined: June 01, 2004

Location: New Zealand

Posted: June 02, 2004 at 9:58 PM / IP Logged

Hi, i'm currently in a delima on how i should go about to powering my system.

I'm going to have 4" component sets for the front stage which i want to supply about 60W RMS to both channels, a pair of 6x9 which i want to have 80W RMS per channel and a subwoofer which will get 400W RMS.

How do i go about powering this system, if i were to use one amp for the system, how do i distribute the power among the different speakers?

I was thinking of also getting 2 amps. one to power the 6x9 + the components and another amp to power the woofer. but there might be a problem with space in my car? can anyone advice me on that? thanks

Nick

stevdart

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Joined: January 24, 2004

Location: Pennsylvania, United States

Posted: June 02, 2004 at 10:57 PM / IP Logged

Get a 4 channel amp for the speakers, and a separate class D mono amp for the sub. If you want the fronts to be as loud or louder than the rears, you should consider upgrading the components to a larger size. You can get a 4 X 60 RMS @ 4 ohm for what you have, but you'll find more selection at 4 X 50. What you get for the sub depends on its impedence. Mono amps work well at a 2 ohm load, so if the sub is rated 4 ohm, you will use a larger amp. There are some compact amplifiers, so they should fit in place of a bag of groceries.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

keniwi

Member - Posts: 10

Joined: September 20, 2003

Location: United States

Posted: June 02, 2004 at 11:12 PM / IP Logged

Hi! Nickch,

What type of car or truck do u have. First of all I agree with (Stevdart) with the specs about 2 amps. It will be a better sound within. Tell us what u have in order to help u out.

Later,

Keniwi

keniwi

Member - Posts: 10

Joined: September 20, 2003

Location: United States

Posted: June 02, 2004 at 11:14 PM / IP Logged

Hi! Nickch

I agree with "Stevhart". But u must tell us the car or truck u are driving so we can be as open as possible the more info the better it gets.

Keniwi

nickch

Copper - Posts: 50

Joined: June 01, 2004

Location: New Zealand

Posted: June 03, 2004 at 2:40 AM / IP Logged

i'm driving a 1987 honda legend. Whatever parts that are going in there is only almost temporary.. for at least about 1 year.. then i might be switching cars.

nickch

Copper - Posts: 50

Joined: June 01, 2004

Location: New Zealand

Posted: June 03, 2004 at 2:53 AM / IP Logged

i dont want to make unneccessary modifications to the chasis. The speaker mounts up front are 4" in size.

And after reading your recommendations. I'm thinking of having 1 amp dedicated to the woofer.. and another for the other speakers..

since my woofer has a 400W nominal rating(so i take this as the RMS), i can get a 400 Wrms amp for that and for the other speakers which consist of a pair of 6x9 with total nominal rating of 80Wrms and a pair of 4" splits with no RMS rating, but i assume it to be 80Wrms as well, i can get a 200W amp for that..

as a sidenote.. ironically, this seems like the pattern that those sony amplifiers have.. 222W and 444W

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system amp problems

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