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

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What is the subsonic for on the performance teknique amp

What does it do for sound

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  • luckybear22 May 15, 2009

    should it be left off?

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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.

Posted on May 14, 2009

  • hoyzee1 May 16, 2009

    try listening to your system with it off and see if you get more bottom end where you want it-if your still fading on the low lows then you may want to try a different box for your subs- like a larger sealed box or get your ported box tuned to a lower frequency depending on what your working with. My amp is such that i cant turn the subsonic filter off- i can only turn it all the way down and i can still go hella low like to where you can feel it more than you can hear it ya know so its gettin low for sure- but i use 15s and had my box tuned to go low low like that so my friend -good luck with that issue i hope it helps out-im no expert at all im just tryin to help out.

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SOURCE: what is the subsonic filter for?

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

Sphynkter
  • 221 Answers

SOURCE: 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.

Posted on May 15, 2009

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1 Answer

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.

May 15, 2009 | Performance Teknique ICBM-2400 Digital...

1 Answer

What is the subsonic filter for?


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.

May 15, 2009 | Performance Teknique ICBM-2400 Digital...

1 Answer

Performance teknique icbm-782 amplifier will not power on


run 12 volt into your rem terminal and see if it comes on if it does your remote wire coming from the headunit is bad or cut

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1 Answer

I got a performance teknique power amp its 1700 rms at 1 ohm i need 1500 rms at a load of .67 will be ok


No, with 1700watts at 1 ohm the max current is 41 amperes, with 1500 at 0.67 the currents is almost 48 ampreres, you will be overdriving the amp at signal peaks.

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Performance teknique icbm-896 stick on diagnostics


If it's in protect mode, it probably has shorted output transistors. To eliminate other possible problems, read through the following page:

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Let me know if you have any other questions.

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