Amp Wire Help, calculator and power guides
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Amp Wire Help, calculator and power guides| energizer |
Posted: Aug 20 2007, 08:29 PM
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 SICK like DAT  Group: Member Posts: 687 Member No.: 7 Joined: 3-August 07  |
Wire Guide
-------------------------------------------------------------------------------- Keep in mind that length is a factor here as well. If you're doing a long run (>20 feet), you should use one size larger. It doesn't hurt to use a wire size that's larger than necessary, but it will usually cost more and can be more difficult to install. Power Wire: 10 gauge: ~35 amperes Class D (~70% efficiency) - <350 watts Class A/B (~50% efficiency) - <250 watts 8 gauge: ~55 amperes Class D (~70% efficiency) - <550 watts Class A/B (~50% efficiency) - <400 watts 6 gauge: ~87 amperes Class D (~70% efficiency) - <875 watts Class A/B (~50% efficiency) - <625 watts 4 gauge: ~140 amperes Class D (~70% efficiency) - <1400 watts Class A/B (~50% efficiency) - <1000 watts 2 gauge: ~220 amperes Class D (~70% efficiency) - <2200 watts Class A/B (~50% efficiency) - <1500 watts 1/0 gauge: ~350 amperes Class D (~70% efficiency) - <3500 watts Class A/B (~50% efficiency) - <2500 watts 2/0 gauge: ~440 amperes Class D (~70% efficiency) - <4400 watts Class A/B (~50% efficiency) - <3000 watts 4/0 gauge: ~700 amperes Class D (~70% efficiency) - <7000 watts Class A/B (~50% efficiency) - <5000 watts Speaker wire: 22 gauge: ~2.2 amperes 8 ohms - <36 watts 6 ohms - <27 watts 4 ohms - <18 watts 3 ohms - <13.5 watts 2 ohms - <9 watts 1 ohm - <4.5 watts 20 gauge: ~3.4 amperes 8 ohms - <96 watts 6 ohms - <72 watts 4 ohms - <48 watts 3 ohms - <36 watts 2 ohms - <24 watts 1 ohm - <12 watts 18 gauge: ~5.5 amperes 8 ohms - <240 watts 6 ohms - <180 watts 4 ohms - <120 watts 3 ohms - <90 watts 2 ohms - <60 watts 1 ohm - <30 watts 16 gauge: ~8.7 amperes 8 ohms - <600 watts 6 ohms - <450 watts 4 ohms - <300 watts 3 ohms - <225 watts 2 ohms - <150 watts 1 ohm - <75 watts 14 gauge: ~13.7 amperes 8 ohms - <1500 watts 6 ohms - <1125 watts 4 ohms - <750 watts 3 ohms - <563 watts 2 ohms - <375 watts 1 ohm - <188 watts 12 gauge: ~21.8 amperes 8 ohms - <3800 watts 6 ohms - <2850 watts 4 ohms - <1900 watts 3 ohms - <1425 watts 2 ohms - <950 watts 1 ohm - <475 watts 10 gauge: ~34.6 amperes 8 ohms - <9600 watts 6 ohms - <7200 watts 4 ohms - <4800 watts 3 ohms - <3600 watts 2 ohms - <2400 watts 1 ohm - <1200 watts 8 gauge: ~55 amperes 8 ohms - <24000 watts 6 ohms - <18000 watts 4 ohms - <12000 watts 3 ohms - <9000 watts 2 ohms - <6000 watts 1 ohm - <3000 watts --------------------   |
  
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| Plex |
Posted: Jan 5 2009, 08:11 PM
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 D' MK Photographer MoD Group: Moderator Posts: 7,345 Member No.: 3 Joined: 2-August 07 |
Found this on a web site, hope its useful here.
http://www.rockfordfosgate.com/rftech/wire_calculator.asp --------------------   |
 
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| DJ Q |
Posted: Jan 5 2009, 10:25 PM
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 ReMiXeR!!! Group: Member Posts: 1,494 Member No.: 1,871 Joined: 24-June 08 |
hmm... seems I should change my sub wires... good read man thanks
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