Setting Orion 2500d gains @ .5ohm?

[Raisedin305 5,000+ posts]

I will be running my Orion 2500d @ .5ohm. Problem is I am unsure fo what to set the gains to. I know that if I run it @ 1ohm I just put the total number of watts and get the sqrt.

For example,

my old setup was two 15" L7s off an Orion 2500d

I had my gains set for 44.7, to get 2,000rms.

What would I set my gains to if I was to be running the amp @ .5ohm?

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[Decipha 10+ year member]

(watts wanted) x ohm load [sq rt]

lets say you wanted 3k @ .5 ohm

3000 x .5 = 38.7 volts AC

btw... i have an orion 2500d too, it'll dim your lights at a half ohm

 

[j3bus2k3 5,000+ posts]

I dont think its "Watts wanted" more like "watts the amp will put out RMS at that given load." I cant tell my jbl amp to put out 2200 watts because the box says its a 2200 watt amp and then figure the gains from there. You might want to look into using an o-scope to set them properly due to the load...

 

[Decipha 10+ year member]

there is no given load for an orion 2500d, its not rated at 1/2 ohm

 

[j3bus2k3 5,000+ posts]

no shit, hence why he should use an o-scope for best results. Using the simple formula with sqrt(power*ohm)=volt isnt good enough. Orion doesnt give the RMS power at 1/2 ohm and using a ball-park number probably isnt the best idea.

 

[ngsm13 5,000+ posts]

YOU MISS THE GIANT FUCKING STICKY AT THE TOP OF THE FORUM YOU JUST POSTED IN?!?!?!?

http://www.caraudio.com/forum/showthread.php?t=63933

Numbskull.

nG

 

[Raisedin305 5,000+ posts]

(watts wanted) x ohm load [sq rt]
lets say you wanted 3k @ .5 ohm

3000 x .5 = 38.7 volts AC

btw... i have an orion 2500d too, it'll dim your lights at a half ohm

Thanks, now I remember how to do it. Thanks

 

[Raisedin305 5,000+ posts]

Thanks alot, **** lover.