Question about Performance Teknique ICBM-2400 Digital Monoblock Car Amplifier Car Audio Amplifier

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What is the subsonic filter for?

Subsonic fiter for performance teknique, what does it do for sound?

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Hello luckybear22,

The simple answer is that a subsonic filter prevents frequencies below the threshold of hearing, hence subsonic, from being sent to the subwoofer. Such frequencies result in a loss of available amp power and in the extreme can even damage the speaker.

Hope this helps.

Posted on May 15, 2009

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What should the subsonic filter be at


The subsonic filter is to help your system's overall performance by blocking frequencies that your subwoofer cannot effectively produce. For example, if you have a single 10 inch sub, it's not likely to be able to produce sound much lower than 60-80Hz with any respectable volume. If you have the subsonic filter on and set to 60Hz, it will prevent a 40Hz tone from being delivered to the sub. If the subsonic filter is turned off, your sub will get everything, and it will try to produce every sound. If it gets a 40Hz tone, it will make the sub work extra hard without any audible noise. It'll just degrade the overall so the answer to "shoud the subsonic filter stay off" would be "it depends on your system" but in most cases, you should keep it on, and set it to the low end of your subwoofer or woofer range. This also applies to filters on mids and highs.

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What is the subsonic for on the performance teknique amp


The subsonic filter is used to filter out the bass that is too low for the human ear to detect or hear--remember the lower the frequency or bass note that you try to play the harder the amp has to try to reproduce it-so by filtering out the bass that you cant hear it saves life on your amp and subs and your not missing anything anyways cuz ya couldnt hear it to begin with.

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