It can crossover at 1,500Hz and with active filtering a ridiculously steep 48db/octave highpass can be used to enhance it's power handling as well as enhance it's performance at loud outputs. The heart of this design and the single most critical component. Now JBL's MS-8 will take these systems another step further.ĭigital active crossovers could be the biggest quantum leap forward for speaker sound quality in decades (probably since the subwoofer/sat design for home theater).Īs for the best speakers? I have thought of doing a few things to design the ultimate speaker system.įirst is to design a wide dispersion speaker system involving active crossover filters like this:Įach top level speaker would be designed for large rooms and contain: What's most saddening is that (minus the horrible acoustics of a car), the best speaker system designs are being found in cars since around 2007 when Audison's "Bit-One" was released. Especially if you're trying to deliver the best sound quality technology can deliver. Passive crossovers have phase problems, distortion and even SHIFT their target crossover frequency as the amplifier's volume is pushed up! Unacceptable! That's just BAD and considering all the incredible scientific advances in audio since 1980 with computers and digital sound manipulation, and there is NO EXCUSE to still use passive filters in high end speakers. This thing's active digital crossovers completely eliminate the biggest problems that traditional passive crossovers have brought to speakers for decades. It's utterly astounding what that thing can do to improve speaker performance thru DSP. Active digital crossovers with separate amps for each driver in the array along with precision tuning from digital equalization.įor an example, read about JBL's MS-8 processor for car audio. I believe if we are to see TRUE improvements in speaker design, it will go the route I'm seeing the car audio hobbyists are going. Speakers mostly look different today due to being engineered to fit in smaller places but they still must adhere to the same scientific principles of speaker design and reproduction as 70 years ago. While there have been minor improvements in driver technology (motor refinements like XBL^2, reduced resonance materials for the cones, like Kevlar, CMMD, Aerogel) but for the most part, speaker science has remained unchanged.
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