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<blockquote data-quote="bbeljefe" data-source="post: 8217112" data-attributes="member: 655960">I didn&#039;t ask about the bass knob, I asked about bass boost. Most amps have a bass boost setting and most of the time, the do more harm than good. But on the subject of the knob, gain should be set with it wide open. The reason being that it is actually just another gain pot and you shouldn&#039;t be able to turn it up to a point that&#039;s higher than the safe gain level that was set during the install. By setting it at half way, you set yourself up for introducing distortion any time it is turned even a fraction above where it was when you set the gain.With head units and LOCs, it is very common to have clipping in the signal path even when you turn the head unit&#039;s bass control down, especially on LOCs with no gain adjustment. Also, setting gain with a meter only tells you a voltage level. It cannot show you clipping and you can be clipping with the output voltage at half what it is rated at or below.Assuming the sub you had was rated at about 250 watts (you didn&#039;t mention a model number), it would not have blown on 400 watts if it were 400 watts of clean, unclipped power. So that leads me to believe you were clipping. And the answer isn&#039;t a sub with a higher power rating, it&#039;s getting the gain set with the proper equipment.</blockquote>

[QUOTE="bbeljefe, post: 8217112, member: 655960"] I didn't ask about the bass knob, I asked about bass [I]boost[/I]. Most amps have a bass boost setting and most of the time, the do more harm than good. But on the subject of the knob, gain should be set with it wide open. The reason being that it is actually just another gain pot and you shouldn't be able to turn it up to a point that's higher than the safe gain level that was set during the install. By setting it at half way, you set yourself up for introducing distortion any time it is turned even a fraction above where it was when you set the gain. With head units and LOCs, it is very common to have clipping in the signal path even when you turn the head unit's bass control down, especially on LOCs with no gain adjustment. Also, setting gain with a meter only tells you a voltage level. It cannot show you clipping and you can be clipping with the output voltage at half what it is rated at or below. Assuming the sub you had was rated at about 250 watts (you didn't mention a model number), it would not have blown on 400 watts if it were 400 watts of clean, unclipped power. So that leads me to believe you were clipping. And the answer isn't a sub with a higher power rating, it's getting the gain set with the proper equipment. [/QUOTE]

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