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Implementation schematic of a three-way active crossover network for use with a stereo three-way loudspeaker system. An active crossover contains active components in its filters, such as transistors and operational amplifiers. [1] [2] [7] In recent years, the most commonly used active device is an operational amplifier.
Bi-amping - An active crossover with two amplifiers.. Bi-amping and tri-amping is the practice of using two or three audio amplifiers respectively to amplify different audio frequency ranges, with the amplified signals being routed to different speaker drivers, such as woofers, subwoofers and tweeters.
The PH2000 can be connected to all kinds of electronic crossovers, with the remarkable difference that with the Phonocar crossover PH9000 it will be possible to set the hi-fi installation from the driver’s seat. The “Dream” has been the Winner of the ECAP 2001/2002 prize (European Car Audio Press).
Active crossovers may be simple circuits that emulate the response of a passive network or may be more complex, allowing extensive audio adjustments. Some active crossovers, usually digital loudspeaker management systems, may include electronics and controls for precise alignment of phase and time between frequency bands, equalization, dynamic ...
A Linkwitz–Riley (L-R) filter is an infinite impulse response filter used in Linkwitz–Riley audio crossovers, named after its inventors Siegfried Linkwitz and Russ Riley. This filter type was originally described in Active Crossover Networks for Noncoincident Drivers in the Journal of the Audio Engineering Society.
Nearly all crossovers are passive circuits, designed to match the characteristics of the drivers and their mounting, and are built of capacitors, inductors, and resistors. Active or 'electronic' crossovers are used in some high performance hi-fi speakers, and in professional sound reinforcement systems .
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