Is my friend lying to me?

ok thanks guys, i apologize for being so gullable lol.
Haha it happens man. If you don't know much about audio you kind of have no choice but to believe what you hear. You did the right thing by researching it though.

Enjoy your stay on the forums man //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
the only time i can see related to underpowering is if you try to make up for lack of power by turning up the gain. but at least if u have more power, u can turn it down some. and later you have room to get bigger, badder subs. that my opinion though.

 
It's not sending lower power, it's having an amp that is rated below the sub and the USER turning up the amp past it's highest clean signal, trying to get more then the amp can give. This produces a clipped signal, which is a square wave. This will actually heat up the sub much quicker then clean power and will basically cause death to your subs.

those staments are 100% false...

1. there is no way in hell you are going to overdrive a musical signal to point where the overall signal even remotely resembles a square wave.

2. distorted power is no better or worse for a sub or speaker then clean power.

 
What "kills" woofers is voltage and time. And the person turning the knob and not noticing "clipping". Or more accurately ignoring clipping.

IF the signal is "unclipped" there will be no issue, as long as you are under the peak power rating of the woofer.

And that is assuming that the manufacturer rated their speaker correctly.

Under "MUSIC" conditions. If you are playing Rap or what I call "Bass That Ate The Earth" type music, then you have to be more careful.

Because the MUSIC has more energy at low frequencies. The "Spectra balance" is shifted, compared to lets say , Jazz or Rock and Roll, etc. Which tends to be more balanced, or energy at all frequencies.

This is NOT to be interpreted as a BAD thing, it just IS.

Look at these O'scope "renderings". As mentioned earlier, Time and Voltage are the issues. Think RMS power is the same as AC voltage.

You'll notice that the AC voltage shown on both O'scope readings is 32 volts. Into a 1 ohm load that is 1,000 watts. So 1,000 is the same as saying 32 volts into 1 ohm.

BUT...notice that the voltage is the same in the lower O'scope rendering, but the waveform is now clipped. And that "Time" is much longer now versus the "Un-Clipped".

So we put 32 volts across the voice coil LONGER, causing more heat build up. Because it is the heat, that cooks the glues, and the woofer voice coils unravel like "slincky's. Heat cause the glues..to ...well "UN-glue":D

Oscope_AC_clipped.jpg


So the question "Does too little power do more damage versus having too much power " (or more than the speaker is rated)??

From my experience with thousands of tech phone calls and working out in the field with retailers and installers, ...I'd have to say YES.

But...it is more becasue of the "knob turner" than anything else:veryhapp:

 
i think the point he is trying to get across is that it is better for the subs to have a 500 watt amp gained almost all the way down than to have a 200 watt amp with the gains all the way up. if you overdrive the inputs on an amp it will send a clipped signal to the subs & possibly damage the subs.

 
if i were you id go up to his bish *** and sock the **** out of him. and dont edit sock to **** you feggs
//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif:laugh://content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif

 
holy shit. this has gone so much furthur over my head than i thought it would. its going to take me a week to interpert this. but thank you nonetheless.
moral of story -- if you have a amp big enough that you know it fully has the ability to blow your speaker, you will take more precautions and otherwise be more careful then if you simply say "meh, the woofer's rated for 1kW and i've ONLY got 800W. crank that puppy!" When distortion from clipping is factored in, the 800W amp might be able to put more then 1000W to the woofer.

 
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