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Car Audio Discussion
Amplifiers
LPF, Gain, & Subsonic filter
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<blockquote data-quote="2023 LTZ" data-source="post: 8832563" data-attributes="member: 686684"><p>The sub should outline its frequency response. Let’s say it’s 50-250hz, set lp to 50 or 55. Most dials you’ll have to approximate. This, you’re correct is it’s purpose. The gains output can be mathematically calculated to match its output to the sub’s ability for input/output in ac voltage. Your amp puts out less than the sub is capable of. If your frequency is set within the subwoofer’s capability the next most important thing is having a clean signal to the subwoofer. This is possible although the sub will take its full potential.</p><p>If you’re able to download test frequencies you can tell by the voltage if the signal clipping or not. Sending a clean signal is of utmost importance. In my humble opinion.</p></blockquote><p></p>
[QUOTE="2023 LTZ, post: 8832563, member: 686684"] The sub should outline its frequency response. Let’s say it’s 50-250hz, set lp to 50 or 55. Most dials you’ll have to approximate. This, you’re correct is it’s purpose. The gains output can be mathematically calculated to match its output to the sub’s ability for input/output in ac voltage. Your amp puts out less than the sub is capable of. If your frequency is set within the subwoofer’s capability the next most important thing is having a clean signal to the subwoofer. This is possible although the sub will take its full potential. If you’re able to download test frequencies you can tell by the voltage if the signal clipping or not. Sending a clean signal is of utmost importance. In my humble opinion. [/QUOTE]
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