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<blockquote data-quote="SmartAsss" data-source="post: 7216843" data-attributes="member: 629857">Test tones are not what you want to use, multimeters and oscilloscopes are only what you would want to use for testing with them. your gains will be set too low if you set them with that method mentioned. I&#039;ve been there tried that. the reason being is that test tones have a much higher amplitude then actual music. unless you listen to test tones or compete by using them then your sub will be much lower then it should be for music.The tried and true method is to turn your stereo up to maximum listening volume that you will listen to music (not the head units max volume) using a well recorded track that you know by heart. slowly turn the gain knob up from its minimum position until you hear signs of distortion from the sub (distinct change in tonal output) or mechanical noise, then back it down slightly. this will be the optimum setting.bass boost should be off, crossover setting should be at around 80 to 120hz (where ever it sounds best and blends with your front speakers without sounding muddy), sub sonicfilter should be set at maximum (for your particular setup). phase is set by adjusting it up and down listening for the point at which the sub sounds the loudest in the drivers seat. bass boost (if necessary) is set by turning it up a notch or two, and decreasing the gain slightly. do not over do the bass boost setting as it will cause a nasty peak. the more you turn the boost up the more you have to turn the gain down.</blockquote>

[QUOTE="SmartAsss, post: 7216843, member: 629857"] Test tones are not what you want to use, multimeters and oscilloscopes are only what you would want to use for testing with them. your gains will be set too low if you set them with that method mentioned. I've been there tried that. the reason being is that test tones have a much higher amplitude then actual music. unless you listen to test tones or compete by using them then your sub will be much lower then it should be for music. The tried and true method is to turn your stereo up to maximum listening volume that you will listen to music (not the head units max volume) using a well recorded track that you know by heart. slowly turn the gain knob up from its minimum position until you hear signs of distortion from the sub (distinct change in tonal output) or mechanical noise, then back it down slightly. this will be the optimum setting. bass boost should be off, crossover setting should be at around 80 to 120hz (where ever it sounds best and blends with your front speakers without sounding muddy), sub sonicfilter should be set at maximum (for your particular setup). phase is set by adjusting it up and down listening for the point at which the sub sounds the loudest in the drivers seat. bass boost (if necessary) is set by turning it up a notch or two, and decreasing the gain slightly. do not over do the bass boost setting as it will cause a nasty peak. the more you turn the boost up the more you have to turn the gain down. [/QUOTE]

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