Why HiFi manufacturers don't make active crossovers anymore?
Was taking a look at the 6 channel amp Accuphase PX-600, I think it's from late 90's, and wondering how amazing can be the option that is showed in there, an example of use this amp with the matching channel divider with three way speakers system... http://www.accuphase.com/cat/px-600e.pdf |
miniDSP will get you there. The thing most amateurs don't get about crossover design is that active or passive, it's more complicated than you think. Active saves you a lot of part buying, but there are usually some trade offs, like 3x more amplifier channels, and a lot more parts that go between the singal and the driver. I'm not against active crossovers at all, but the main advantage pro's like them for, better power efficiency and dynamic range, are not really issues the same way for home enthusiasts. Here's an article that describes a lot of what a crossover must do, to give you an idea. https://speakermakersjourney.blogspot.com/2016/12/crossover-basics-driver-response.html This only covers a few points. What's still missing is phase matching and baffle step equalization. All doable in an active setup, just saying, there's a lot to do. |
@cosmicjazz Bryston and JL Audio make active crossovers. But as @erik_squires mentioned things can get pretty complicated if you really want to do it right, and I also strongly recommend (and offer) miniDSP in large part because of that. Inclusion of Dirac Live is also a big plus. I imagine that active crossovers have become less popular at the high-end in favor of "full-range" speakers, inclusion of a subwoofer without a crossover, or more advanced solutions. Also, the vast majority of people with 2 or 2.1 setups are still purchasing home theater receivers which have built-in bass management. |
