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15mtr cable 2.5, 4,0 or 2x 2,5 ?
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ukdubwise View Drop Down
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    Posted: 05 March 2014 at 12:58pm
2x 800/1000watt per chann on sub.

1x 2,5  ?
2x 2,5  ?
1x 4,0  ?

length = 15mtrs.


Edited by ukdubwise - 05 March 2014 at 12:58pm
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Points: 921 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Sypa Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2014 at 4:47pm
The fatter the better Tongue
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Old Croc
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Points: 2414 		Post Options Post Options   Thanks (0) Thanks(0)   Quote QSS Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2014 at 10:03pm
4mm all the wayThumbs Up
"Music is life"
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Old Croc
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Points: 4873 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Sound Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2014 at 10:59pm
tbh ive seen all combos you mention 2.5mm to each driver, 2.5mm and 4mm with link to next driver

within 10m-15m with no issues...
Musical Roots Reggae Vibration is Life! for music is sound...sound is vibration...vibration is energy... and energy begets life. Therein lies my passion!...MUSIC IS LIFE...
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liambeech View Drop Down
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Points: 41 		Post Options Post Options   Thanks (0) Thanks(0)   Quote liambeech Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2014 at 1:12pm
I dont know what the exact calcs are for passing sound through the cables but as far as i know its not far from temp power. Which is 17M max generally for 1.5mm cable and 30M for 2.5mm cable this is working with 30A but is always a good standard to work to. Respectively any audiophile that argues  his cable(most time both copper cables of different brands) is superior swears by their brand. Obviously everyone wants the best for their system but there are 2 things to consider:
First - dont worry about your cables, worry if your amps are able to produce the power.
Secondly copper is copper! The difference in lengths used in stacks 1.5mm or 2.5mm until 10-15-m plus is negligible. 
Worry about the nl2-4-8 to the drivers/Gubbins  inside etc to be maintained along with any soldering etc.
Peace 
Liam
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http://www.tlc-direct.co.uk/Technical/Charts/VoltageDrop.html?cable=SWA_3_CoreXLPE&application=clipped_direct&max_perct_volt_drop=5&ambient_temp=25&no_circuits=1&circuit_layout=bunched&power=3.6&power_units=1000&voltage=230&length=30&submit=Calculate+Min+Cable+Size

Edited by liambeech - 09 March 2014 at 1:21pm
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liambeech View Drop Down
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Nice calculator for you all now.
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liambeech View Drop Down
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Points: 41 		Post Options Post Options   Thanks (0) Thanks(0)   Quote liambeech Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2014 at 1:31pm
This is used for temp power with 230V or mains rings as a basic reference. 
More refrence is:

Volts to amps calculation with watts

The current I in amps (A) is equal to the power P in watts (W) , divided by the voltage V in volts (V):

I(A) = P(W) / V(V)

So

amp = watt / volt

or

A = W / V

Example

What is the current flow of an electrical circuit that has power consumption of 45 watts and voltage supply of 15 volts?

I = 45W / 15V = 3A

Volts to amps calculation with ohms

The current I in amps (A) is equal to the voltage V in volts (V) divided by the resistance R in ohms (Ω):

I(A) = V(V) / R(Ω)

So

amp = volt / ohm

or

A = V / Ω

Example

What is the current flow of an electrical circuit that has voltage supply of 30 volts and resistance of 10Ω?

According to ohm's law the current I is equal to 30 volts divided by 10 ohms:

I = 30V / 10Ω = 3A
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Points: 7685 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shagnasty Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2014 at 11:53pm

It really depends what impendance you are driving, 2.5 @15m into 8R pisses on 4mm @ 10m into 2r!!!!
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ben 13 View Drop Down
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Points: 40 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ben 13 Quote  Post ReplyReply Direct Link To This Post Posted: 10 March 2014 at 8:18pm
Look at this ;)

http://hornplans.free.fr/cable.html
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