1. ## Question about amplifier power?

Technical specifications HXA 1000 QX
Cont. power rating RMS/max. power
at 4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 x 350/700 Watt
at 2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 x 600/1200 Watt

Does this mean that if im running a single sub i can still turn up the gain to reach up to 700 watts at 4 ohms?

or does it mean that at 14.8 vdc thats what the power would be?

2. ## Re: Question about amplifier power?

4 ohms the most you can get is 350rms and 700 max. Period.

3. ## Re: Question about amplifier power?

it means you will see
350 watts at 4 ohm
600 watts at 2 ohm

if the amp does rated

4. ## Re: Question about amplifier power?

so even if i was to turn the gain 3/4 of the way it will only see 350 or does that number increase to 700 as i turn the gain up.

5. ## Re: Question about amplifier power?

Originally Posted by rjcastr
so even if i was to turn the gain 3/4 of the way it will only see 350 or does that number increase to 700 as i turn the gain up.
if you clip the amp, you should see more power

6. ## Re: Question about amplifier power?

Originally Posted by 350zspl
it means you will see
350 watts at 4 ohm
600 watts at 2 ohm

if the amp does rated

your helix amp should do rated power, how did you get such an amp and know nothing about car audio?

7. ## Re: Question about amplifier power?

Originally Posted by skateboardkid
your helix amp should do rated power, how did you get such an amp and know nothing about car audio?
pics of helix or dont have it

8. ## Re: Question about amplifier power?

Originally Posted by skateboardkid
your helix amp should do rated power, how did you get such an amp and know nothing about car audio?

I dont think you are understanding my concern or my question for that matter...

I know that its running 350 at 4ohms, but in the manual it states 350/ 700 @ 4ohms.

What im trying to determine is when does the amp reach 700 watts. In reality, any speaker resistance fluctuates as its functioning, it can go from 4 ohms- 20 ohms for that matter. In any case im assuming that during small periods of bass it can get up to 700 watts as a max for that impedance.

That was all i was asking?

9. ## Re: Question about amplifier power?

a common test is "maximum sine wave output into a resistive load".

this provides an easier way to sort out what is distortion, and where it probably came from.

but this requires the power to change as the sine wave changes.

so on average you get 350W to the speaker, with the peak output being 700W. attempting to increase output may be possible, but would more significantly increase distortion.

10. ## Re: Question about amplifier power?

That peak power is the crest of the sine wave and has no real applicability.

11. ## Re: Question about amplifier power?

buy a DMM and print the gain seting tutorial and follow it step by step.
Last edited by skateboardkid; 09-12-2008 at 03:48 PM.

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