I guess Ill post here for help instead...

[audiofanaticz]

I just copyied my post from ROE, looking for better answers... On guy told me to use a dmm, which I did, and the other guy told me to read some other topic that still didnt answer my question about the volt calculator... So here it is.

This is reguarding a tutorial on the site for your gain voltage.

With this calculator http://www.caraudio911.com/tutorials...et/voltage.htm

Are you to go by your Rms wattage or your peak wattage almost otherwise my amp isnt putting nothing out for power.

My amp is a Spl Dynamics EXT-3000D. It is rated at 3,000 watts RMS at 1 Ohm, which is what I am running it at. So according to the calculator it is saying to set my voltage to 54.8 volts. Ive done this with a 55 test hertz tone and my friends multimeter which is made by blue point or something like that, I know he payed over 4bills for it from the snap on guy so Im sure its good enough (link to multimeter http://buy1.snapon.com/catalog/item....re&dir=catalog ) With my gain being set that way, its not even a quarter of the way up at 54.8 volts, and yes I know the gain is not a volume knob.

This is where Im starting to wonder which is wrong, or if you are to use the amps peak power and not the amps rms power for the calculator.

Im using an Alpine CDA-9833 headunit that has 4 volt preamp outputs.

On the writing under my amp gain it starts out at 6 volt, which is the gain at its lowest point. When the gain is turned to its highest it is at 0.2 volts. So we are going to assume that half way on the gain is about 3 volt. So since my deck has the 4 volt output I will want to have my gain a little less then half way up, correct?

Now why is there so much difference between going by the numbers on the amp and the calculator?

[Ernesto]

You go by RMS not max/peak.