This product is available with high pass cutoff frequency: 20Hz 12dB/octave. The central body, made of brass (turned, milled, threaded and gold plated)Īnd the external ruby red coating in aluminum (turned, milled,threadedĪnd anodized) form the container of the circuit. The RCA coaxial plug that contains the circuit is made with flawless care. The filter should ideally be placed between the preamplifier or RIAA equalizer and the amplifier input, but it has been used over the years, on several occasions, directly at the RCA input of the audio amplifier with excellent results. The lowest note played by a piano is 28hz so I wouldnt recommend going to high with the subsonic. Set the subsonic a little higher than I mentioned earlier. This is to be used in professional and home audio systems, it is especially valued by lovers. Yea, a good place to start would be 80hz LPF for the sub and 80hz HPF for the doors. ![]() This filter is usually providential and decisive. Meanwhile, these frequencies unnecessarily engage the amplifiers, negatively affecting the dynamics and correct reproduction of the actually available audio frequencies. Your amp has 100 amps worth of fuses mounted. Hope this helps you to better understand how to set your filter. So if you have a SUBwoofer in your vehicle, the SUBsonic filter is trying to make it just a woofer. ![]() it will attempt to quieten the notes that are below that frequency. Low frequencies in the inaudible or infrasound range, if not blocked, cause pronounced movement that may damage the woofer and / or subwoofer. The subsonic filter is a High Pass crossover. It muffles frequencies of the audio band below 20Hz with a slope of 12dB per octave. This audio filter is a Hi-End quality product and must be connected to the RCA input of the audio amplifier. And sundown says 1/3 octave in my case would be 29hz. Hi-End RCA in-line passive subsonic filter. I have seen where incriminator audio recommends setting the subsonic filter to 1 to 2 hz below tuning.
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