For a sealed enclosure you adjust the subsonic filter to 25-35 Hz, to filter the extremely low bass frequencies your woofers unable to play. Next, turn your system back on and turn the volume on your radio up to max, make sure no music is playing in the system. By keeping all three ports open, the enclosure is still physically tuned to 20hz, yet with the 16hz filter setting, a boost is being applied down low and the highpass is lowered to maybe 14hz, putting you at risk for potential bottoming with high output, low . If you are running enough power to push your sub close to Xmax, then set your SSF at 1/3 of an octave below tuning (@ 30 hz in this case). You are correct in the presumption that subsonic filters provide a level of protection from over excursion. Put on your favorite song and turn the volume up to your normal listening level. Using a small screwdriver, turn it up slightly - about 1/8 of a turn. A subsonic filter is a highpass filter working at a frequency typically between 20 and 40Hz. SETTING SUBSONIC FILTER - YouTube It also acts like a tone control to capture the "edges" of the kick drum's sound; the attack and release of its boom. If it is sent a signal in the unloaded band, it can be damaged from over-excursion. This CX-Series Amplifier delivers as much as 1,800 watts into one bass channel. It was predicated on using sealed speakers for main center and surrounds, and setting the crossover at F3. help setting my Subsonic filter. Setting the Subsonic Filter and Bass Boots. . Subsonic for Windows Phone. When this is the case, you would simply turn the filter on. With your sound system off, disconnect the RCA cables that run to your amplifiers. ( The bass . The term subsonic refers specifically to aircraft or projectiles traveling at less than the speed of sound, or 767.27 miles per hour. The Subsonic will not allow the frequencies below where you set it to pass through. A subsonic filter is basically a high pass filter for very low frequencies. It has a cutoff frequency of 18 Hz. How To Tune A Car AMP For Mids And Highs Subsonic filtering is essential for valve amplification. Tech Talk: Setting Sub Amp Crossovers - DD Audio
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