Amps? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 10-22-2007, 12:46 AM Thread Starter
 
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Amps?

First off, I'm not 21 anymore so I don't need a big *** 1,000 watt amp & subwoofer to play Puffy Ice Doggie Cube or some crapola like that. I listen to mostly country (Strait, Haggard, Jones, Hank Sr, etc - not this Shania, Faith, Tim McGraw horsecrap that is called country today), Irish, and classical with some classic rock thrown in.

That said, I recently installed a Sony CDXGT610UI head unit with Sony 6 1/2" two ways (GT1625A) in the doors and Sony 5" x 7" two ways (XSGT5725A) in the back. I'm thinking about an amp but am uncertain what to go with. Would a 4 channel be better for my purposes than a 2 channel? What are the advantages and disadvantages of each? Are there any brands to consider over others? Are there any to avoid? I'm looking for a little "crankability" but I don't need something that can be heard by my buddies down in Texas.

Thanks for any help or ideas.:Thumbup:
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post #2 of 3 (permalink) Old 10-22-2007, 03:11 AM
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To double the percieved volume the power goes up 10 times.

Add the watts that the radio says it will do and divide by 12 to get the amps, then look at the wire that feeds the radio. Will it carry the amps? 400 divided by 12 = 33 amps 33 amps needs 10 gage wire to run cool and not have a high voltage drop. The wire on the truck is probably 18 gage and good for about 7 amps.

Same with amplifiers 200 watt is 17 amp and a 14 gage wire.
If you want to fade front to rear and balance side to side it takes 4 paths or 2 2 channel amps.

If you go with the amps the radio does not supply the power that it is rated for just the signal for the audio and the turn on for the amps.

keydl

93 Dodge /CTD, IC, 518, club cab LE, BHAF, KDP fixed, kelderman air ride
81 Isuzu /C223na, 5spd
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post #3 of 3 (permalink) Old 10-27-2007, 11:36 PM
 
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I would get a 4 channel amp that is minimum of 50 watts rms per channel. Like Keydl said, always make sure that you use the proper gauge power wire to your amp or you will not get its full potential.
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