I don't know if it will even work or not thats why I'm asking for some help.ĭoes any one know of any class d mono amps that are 1 ohm stable and have a defeat able LPF, that doesn't cost $800 for 500-1000 WRMS?ĭoes any one know of any class d mono amps that are 1 ohm stable and have a defeat able LPF, that doesn't cost $800 for 500-1000 WRMS?Being that the SOLE purpose of a Monoblock amp is to drive subs I would be absolutely shocked to find one that will do "full range", remember the crossover goes before the amp so if the crossover's LPF is set lower then the amps LPF it won't matter as the amp can only reproduce the sound being sent to it. I've very confused with what this will do with the slope and T/A, or if I need a different amp all together. Will it screw up the active crossover signals slope and time alignment or will I be ok? If I were to turn the amplifier's LPF to match crossover points at 80 Hz and then run an active crossover and time alignment from the head unit set at 80 Hz with a slope of 24db per octave (4th order), what effect would this have? Will it still be crossed at 80 Hz? Or will it change everything frequency and slope? My Amp Memphis 16-PRD500.1 Monoblock 1 ohm stable has no switch to turn off it's LPF. I'm wanting to run an active crossover and time alignment mono, from my Alpine CDA-9887 headunit to my current amp that has a built in 3rd order variable LPF 50-350Hz and a 4th order variable subsonic filter. Why is it that almost every subwoofer mono block amplifier does not have a defeat / all pass switch to turn off it's built in crossover? Please register or login to enable Dark Mode.Hot Rod Power Tour/ Pump Gas Drags/ Drag Week.Gen 5 Camaro Tuning, Diagnostics, Dyno results.
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