bi-amping

Powering the low-frequency bass speakers (woofers) separately from the high-frequency treble speakers (tweeters) in a sound system by using two audio amplifiers. Commonly found in high-end audio systems as well as to increase power for concert stage sound systems, speakers must have separate inputs for high and low drivers. Speaker terminals are typically bridged together with clips that can be removed.

Each amp deals only with the frequency range needed to drive the specific driver in the speaker. A more powerful amp may be used for the bass because the low frequencies use 80 to 90% of the power. Contrast with bi-wiring.

Tri-Amping
Less common, tri-amping uses separate amplifiers for the bass, midrange and treble drivers in a speaker enclosure. To accommodate this method, the internal wiring in the speaker may have to be modified to separate all three driver stages.

Two Sets of Cables

Bi-amping separates high and low-frequency signals. It is done for high-end audio systems and concert stages. The midrange speakers are tied to the tweeter section.

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References in periodicals archive

This topology, known as active bi-amping or tri-amping, results in vastly improved clarity and reduced distortion of the sound that is produced.

New Stereo 3-Way Active Crossover from Sublime Acoustic

But it's what's under the hood that counts, and it boasts a two-way coaxial system plus passive bass radiators driven by 50watt bi-amping technology.

LATEST GENERATION OF WI-FI SPEAKERS ARE A SOUND BUY

* The Ninka speakers can be configured for biwiring, passive bi-amping, active bi-amping, and active tri-amping.

These allow for active bi-amping or tri-amping as described below.

The whole operation took perhaps ten minutes per channel when we changed from passive to active bi-amping during the review.

Passive Activity: As mentioned above, the Linn system allows for passive bi-amping and active bi- and tri-amping.

Passive bi-amping: clearly a step up, at least partly due to the additional wattage.

Linn System

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