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i highly recommend getting the audioque over that bamf amp.
I don't recommend presenting 1ohm to the amplifier. Double the power = ~3decibel increase. Studies show that people don't perceive "double the sound" until a 10 decibel increase. There's other ways to get that 3 decibels.
4ohm = less stress on the amplifier. That means lower temperatures and longer life.
tune at 29hz
As a very experience audio person for such my age, how much is the sub output volts on the radio? and for the subs, tune the amp down to about 40hz crank the radio to where you want it to peak at and then crank the gain up to that level, if you want the thing to go crazy adjust the subsonic to the lowest grade and tune little by little until its that perfect clear bass crank the bass eq up to the max
I'm bringing this up because there seems to be some confusion concerning RCA voltage and amplifier gains.
First and foremost, your signal from the head unit to the amplifier is sent as a sine wave. The amplitude is the peak to peak vertical measurement from one complete cycle. In our terms, the amplitude = voltage.
If you are "clipping" your signal, then you are presenting a square wave to the amplifier.
i.e. if the amp can only handle 4 volts but you turn the gain so that the amp sees the amplitude rise as much as 8 volts, you've cut off the top of the RCA signal, hence--square wave. That clipped signal is as good as playing a straight 40hz tone. That's the simplest way to fry your voice coil on the speaker.
Here's more information to read about...
Class D Amplifier
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