is it true bigger the wire more power u get?

Question

i have a 3000 watt amp and two 18inchers which are about thousand watts each and i want to know if heaver wire u u use the more power u get out of the wire.

Answer 1

If you mean by this question, will your system sound better and play louder by buying a larger gage power cord, then the short answer is NO.

A system draws X amount of power. As long as your wiring is rated for that much or more, you're fine. It is only if your power cables are too small that you have a problem. Too small and you have a fire hazard.

If you are asking about speaker cables, then there is a difference in the quality of sound delivered by different types of cables. BUT- a decent set speaker cables is all most of us need. The difference delivered by high end cables is usually only noticeable to your testing equipment, not the human ear (IMHO, 'High End' speaker wires are almost always a waste of money)

Answer 2

a 3k watt amp needs to draw something like 250 amps to produce max power, however, your amp will NEVER run at max power, your probably only running at the RMS value, which is probably somewhere around 1500-1700 watts. your gunna need some big wire to accomodate that much current without causing problems.

I'd suggest a 1/0 guage wire, just to be on the safe side.

PS. your not gunna get any power increase by going from a 2 guage to a 1/0 guage wire, in fact its quit the opposite, because the wire has more resistance as it gets bigger. smaller wire has less resistance thus more of the voltage gets to where it's going.

Answer 3

What no one has mentioned is the length of cable you will be using. The guage of the wire needed will depend on the length. Mainly you do not want any significant voltage drop in the wire. If you are really talking 3000 watt, that represents 20amp through the wire (8-ohm spkr). You don't want to run this more than 10ft, and use 10-guage wire or bigger. If it's longer than that, use 8-guage, but no more than 20 ft.

Answer 4

That 3k amp needs 25 amps of current so that wire better be "big". Are you sure you don't mean 300 Watts? It is true that the bigger wire will have less loss at high current demand, but what are you going to use to soak up that left over 1000 Watts???
Going to let you ponder if I am joking there.

Answer 5

if you really mean 3000 watts (not peak, heck even at peak) from one amp, then sounds like you got duped by the ad man or manufacturer. I am assuming this is car audio, you really do get what you pay for, 3000watts hooked up to lighting maybe. My home amp will do 1000w (not peak) in to 2 ohms mono bridged and it weighs 45lbs. A car amp with that much true power (with less than 1% thd at 3000watts and not peak power) would be huge.

300w in a car is way more than enough for bass. For a short distance (10' or less), at lest 14awg, I'd use 12 or 10awg.

Answer 6

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Answer 7

3,000! You're crazy! You mean 300!

Normal household lamp grade wire.

YOu want wire with low resistance so it won't heat, but not so thick as it lowers the flow of power.

In other words, Goldylocks cable. Not too thick. Not too thin. Just right!

And why does everyone have to brag about their size! Gees! 18"

This better be a bass rig with a Gallien Kruger or Ampeg SVT, cause if it's a guitar you won't get any high end at all!

Answer 8

Bigger (larger gauge) wires can handle more current and thus carry more power. But the power has to come from somewhere (the amp) and you have to be able to use it (bigger speakers) simply using bigger wires won't give you more power.

Answer 9

Absolutely! The smaller the gauge number, the thicker the wire. Thicker wire can pass more current.

Answer 10

id run atleast 10 to maybe 8 gauge for that kinda power