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What is LPF and HPF exactly? | Car Audio Forum | CarAudio.com
https://www.caraudio.com/threads/what-is-lpf-and-hpf-exactly.223002/
LPF = low pass filter HPF = high pass filter It means exactly what it sounds like. The LPF let's the low frequencies pass through, the HPF lets only the high frequencies pass through. LPF = crossover for subs HPF = crossover for mids/highs Set them to the desired crossover frequency for your application.
How to Set High-Pass and Low-Pass ... - It Still Runs
https://itstillruns.com/set-highpass-lowpass-frequency-filters-car-stereo-receiver-12167975.html
LPF, HPF and FULL | DiyMobileAudio.com Car Stereo Forum
https://www.diymobileaudio.com/threads/lpf-hpf-and-full.149703/
At the very least you need a HPF on that tweeter somewhere around 2.5k-5khz. Then, ideally you would want a LPF on the mid at around that same point and a HPF on the mid down around 200-60hz. That last filter seems to be the only one that you have. 1 - 8 of 8 Posts Recommended Reading How much power? General Car Audio Discussion 16 597
HPF on Head unit vs. HPF on amp? | Car Audio Forum ...
https://www.caraudio.com/threads/hpf-on-head-unit-vs-hpf-on-amp.475444/
28. Illinois. Nov 14, 2010. #2. A HPF or LPF , either or, does not act as a brick wall. They are listed with "slopes". Usually 6,12,24,36,or sometimes 48 dbs/octave. What this means is that at the frequency you pick, say 60hz in your case, the speaker will be getting only 1/2 power and be 3dbs down.
What do I set my HPF and LPF filters to? - ecoustics.com
https://www.ecoustics.com/electronics/forum/car-audio/240307.html
The amp has Gain, LPF, HPF, and a Xover switch which has a selection for HPF, LPF, and Full. The head unit also has HPF and an option for SFEQ. I have tried adjusting myself and I feel I'm making it worse. The dumb--*ss's at my local car audio shop had no idea how to properly tune my mids and highs so I'm looking to the experts here.
Complete Guide to Audio Pass Filters: High, Low ...
https://theproaudiofiles.com/audio-pass-filters/
A low-pass filter (LPF) attenuates content above a cutoff frequency, allowing lower frequencies to pass through the filter. The slope of filter attenuation is usually quantified in decibels per octave. For example, a 12 dB per octave HPF located at 100 Hz would accomplish 12 dB of relative attenuation at 50 Hz, and 24 dB at 25 Hz.
LPF Help | Car Audio Forum | CarAudio.com
https://www.caraudio.com/threads/lpf-help.608386/
Tuning assistance for LPF and HPF on amplifier (subwoofer and 2 way component) General Car Audio: 8: 2 woofers with different LPF setting: Subwoofers: 4: HELP!! Single Channel LPF Cut Amplifiers: Amplifiers: 0: M: How to set hpf and lpf on sa sfb 1000? Wiring, Electrical & Installation Help: 9
HPF & LPF settings ? - Team-BHP
https://www.team-bhp.com/forum/car-entertainment/24884-hpf-lpf-settings.html
If you are already doing this, then set the HPF at the HU to 80Hz and the LPF to 80Hz as well. On your amp, the channels used for the front comps will have a HPF as well. Enable that (may be set to bypass/off) and set it at 100Hz or so. On the other set of channels that are running the sub, let the filter be on bypass/off.
Setting Crossovers – JL Audio Help Center - Search Articles
https://jlaudio.zendesk.com/hc/en-us/articles/226655828-Setting-Crossovers-
The most commonly used slope options found in car audio are 12 dB per octave or 24 dB per octave. If adjustable, try switching the slope and listen for any improvements in sound quality. If you don't like what you hear, simply switch it back. 12 dB per octave slope (green) vs 24 dB per octave slope (orange) on a LPF set at 80 Hz.
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