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Old 05-11-2011, 12:53 PM   #1
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Default Amp my 4x6 and 6x9 on one amp?

I have an 88 bonneville with rear deck 6x9 and dash 4x6. I plan on getting 4x6 with 50 rms and rear 6x9 with about 110 rms. Wasnt sure if i could get one amp or if i need Two different ones. Also should i get sound dampers for my front ones cause there is just empty space under them, my rears have vented boxes that they came with stock so i would think they are find.

Any feedback would be greatly appreciated.
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Old 05-11-2011, 01:12 PM   #2
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You sure can. I used a Boston Acoustics GTA 1005 to amp all 4 speakers and a sub. Works like a champ.
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Old 05-11-2011, 01:28 PM   #3
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as long as the amp has separate gain controls for the front and rear you should have no problem
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Old 05-11-2011, 01:35 PM   #4
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Depends on the specs of the speakers and of the amp.

Some amps are capable of only driving 6-8ohm speakers to good levels and some go down to 4 ohm and below. Connecting speakers together on the same amp channel decreases the ohmage of the connected speakers in half, so two 8 ohm speakers look to the amp as a single 4 ohm speaker.

Overdriving the amp might not hurt the amp but is the major cause of blowing speaker drivers.

As for enclosing the speakers, it depends on the speaker as to whether or not it improves performance. Some drivers are made to perform best in free while others want the space in the door or some need enclosures to get the best sound. It depends.

If you post the speaker models/spec along with the amp i can be of more help. Good Luck!
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Old 05-11-2011, 04:59 PM   #5
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Well i am thinking about polk audio 4x6 plate speakers.
http://www.polkaudio.com/caraudio/dx...*.php#coaxialo
There is the link and the ones on the far right.
Also the 6x9 on the left.
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Old 05-11-2011, 05:23 PM   #6
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i have polks with the amp power you described, they are crisp and loud. and i have one amp for those and adjust the gains to balance them out
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Old 05-11-2011, 05:44 PM   #7
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Alright i think that answers all my questions thanks guys
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Old 05-11-2011, 06:34 PM   #8
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u can get foam baffles that r form fitted to mount under ur 4x6'*.. however they wont do much good, since interior speakers r for reproducing mid and high frequencies and using a baffle will only help a little with low frequencies, unless its a 2 way speaker, then ur mids will improve a touch since the woofer will take care of the mids.

u can run ur front and rear stage with one amp. its all in the settings. even if u dont have seperate gains for front and rear (if its even a 4 channel amp) just make sure ur not sending much bass at all to ur interior speakers. since all the speakers will be recieve the same amount of power, the ones with lower rms power handling will be pushed harder, and bass is what will destroy ur speakers.

and as previously mentioned, watch ur impedance. if ur using a 2 channel amp and are running front and rear Left of the left channel and front and rear right off the right channel, make sure the final load to each channel is at the lowest impedance that amp can handle per channel or higher, not below.
Most 2 channel amps r 2 ohm stable per channel or 4 ohms stable bridged, but it varies.

ur ur running a 4 channel amp and each speaker is getting its own channel, u should have no worries
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