What is Rockford Fosgate infrasonic filter?
“Infrasonic Filter: The infrasonic (or subsonic) filter is a 12dB/octave high-pass filter designed to prevent frequencies below 28 Hz from being applied to the subwoofer from the amplifier.
What does the infrasonic filter do?
By definition, the term “infrasonic” refers to “frequencies below audible range.” This means that an Infrasonic Filter is designed to filter out the frequencies below the audible range of human hearing. When used with a ported enclosure, we always recommended turning the Infrasonic Filter on your amplifier on.
Is a subsonic filter necessary?
Registered. Yes, you definitely want to run a subsonic filter when using a ported box. The port acts as part of your subwoofers suspension and once you’re below the tuning frequency it becomes an extra stress on the soft parts and loses it’s ability to maintain linear control over your cone movement.
Is infrasonic the same as subsonic?
Refers to sounds or signals whose frequencies are below the normal human hearing range, generally considered to be 20 Hertz (see WFTD archive Hertz). Subsonic actually refers to the speed of sound propagation through a medium and has noting to do with frequency or pitch. …
What is a subsonic filter?
SUBSONIC FILTER – is basically a HPF (high pass frequency) filter for your subwoofers. As we discussed earlier in this article, subwoofer amps typically use LPF (low pass frequency) filters to block high frequencies that should be playing through your speakers.
What is subsonic sound?
The sound waves of frequencies less than the lower limit (i.e.,20 Hz) of audible range are known as subsonic or infrasonic waves. Sonic or. audible waves. The human ear can perceive the sound waves of frequency ranging from 20 Hz to 20 kHz. The waves of this frequency range are known as audible waves.
Is bass Boost bad for subwoofers?
Whatever you do, don’t turn your bass boost up without adjusting your gain. Bass boost can be very damaging to your subwoofers if not used properly. SUBSONIC FILTER – is basically a HPF (high pass frequency) filter for your subwoofers.
What is the best Rockford Fosgate subwoofer?
Rockford Fosgate products are built to work together seamlessly for the ultimate experience. Car Audio Fanatics wanting big bass can rely on the Prime R2D2-12 subwoofer. This 12” subwoofer handles 250 Watt RMS and the 2-Ohm Dual Voice Coil design lets you to wire them in various configurations.
Do I need an infrasonic filter for a sealed subwoofer?
If the sealed enclosure is the appropriate volume, you do not have the possibility of a port unloading at low frequencies. However, by ensuring the amplifier’s power and the subwoofer’s excursion are within the range of audible frequency, the Infrasonic Filter will reduce distortion and make the sealed subwoofer much more efficient.
What frequency should the infrasonic filter be set at?
In other cases, the Infrasonic Filter Frequency may be variable. If this is the case, we suggest setting the frequency to 5 Hz below the tuning frequency of the ported enclosure. The Infrasonic Filter can also be useful in sealed subwoofer enclosure applications.
How do I return a product to Rockford Fosgate?
Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate.
