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<blockquote data-quote="trumpet" data-source="post: 8140638" data-attributes="member: 628688">Gain on an amplifier does NOT work that way. There are plenty of tutorials on how to set amplifier gains, but the basic idea is to get the voltage of the signal coming from the head unit to be matched with the input section of the amplifier. This is to protect the speakers from getting damaged.I assume gain on the head unit means level control. You&#039;ll want to refer to the owner&#039;s manual. When you run a component set active you want to set the levels of the tweeters, mids, and subwoofer separately. Usually the tweeters are set a lot lower than the mids and the sub. Level control is separate from EQ and it&#039;s separate from gain at the amplifier.I prefer to use 24 dB/octave slopes at all crossover points, but you can try different settings. I don&#039;t know why Morel chose a 6 dB/octave slope for the mid/tweeter crossover, but for an active setup a steeper slope is wise. It helps protect you from blowing up the tweeters with too much power. A 2,500 Hz crossover point is probably very safe for those tweeters. On the midrange I recommend starting with a high pass filter of 80 Hz @ 24 dB/octave. For the low pass filter use the same 2,500 Hz crossover point and the same slope as the tweeter crossover.What amplifier will you be using?</blockquote>

[QUOTE="trumpet, post: 8140638, member: 628688"] Gain on an amplifier does NOT work that way. There are plenty of tutorials on how to set amplifier gains, but the basic idea is to get the voltage of the signal coming from the head unit to be matched with the input section of the amplifier. This is to protect the speakers from getting damaged. I assume gain on the head unit means level control. You'll want to refer to the owner's manual. When you run a component set active you want to set the levels of the tweeters, mids, and subwoofer separately. Usually the tweeters are set a lot lower than the mids and the sub. Level control is separate from EQ and it's separate from gain at the amplifier. I prefer to use 24 dB/octave slopes at all crossover points, but you can try different settings. I don't know why Morel chose a 6 dB/octave slope for the mid/tweeter crossover, but for an active setup a steeper slope is wise. It helps protect you from blowing up the tweeters with too much power. A 2,500 Hz crossover point is probably very safe for those tweeters. On the midrange I recommend starting with a high pass filter of 80 Hz @ 24 dB/octave. For the low pass filter use the same 2,500 Hz crossover point and the same slope as the tweeter crossover. What amplifier will you be using? [/QUOTE]

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