Crossover activo inline

Hola, me estoy planteando probar a usar unos "crossovers inline" para amplificacion activa.

Estaba pensando en concreto en estos:

http://www.hlabs.com/products/crossovers/index.htm


Sobre in-line crossovers: In-line crossover

Besides passive crossovers that operate on speaker-level signals and connect between your amp and your speaker components, there are also in-line crossovers that connect before the amplifier. They look like little cylinders with RCA connectors on each end and simply plug into your amplifier’s inputs. In-line crossovers make sure your amplifiers don’t waste energy amplifying signals you don’t want — like high frequencies to a subwoofer amp. Installing an in-line crossover is a great and inexpensive way to sharpen the sounds of your system, especially in a component speaker system.
F Mods




Examples of in-line crossovers

In-line crossovers each come set to a specific frequency and can’t be adjusted. Another disadvantage of using in-line crossovers is that they react differently to different amplifiers, possibly changing their crossover points unpredictably.
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¿Alguien ha usado este tipo de crossover y quiere comentar su experiencia?

Gracias

PS: por ahora no necesito consejos sobre minidsp, behringuers, jriver, accourate, marchand, etc, etc...