Krell Industries MASTER REFERENCE SUBWOOFER User Manual download pdf (Page 12)

(SECTION ONE: About Krell continued)

Ensuring Maximum Performance

The function of the Master Reference Subwoofer is to

reproduce, with unprecedented authority and fidelity, the

lowest reaches of the audio spectrum, thereby extending

the low frequency capabilities of even the finest music

and home theater systems.

The Krell Master Reference Subwoofer sets a new standard in powered subwoofer

design. At the heart of the Master Reference Subwoofer is its proprietary interface.

This programmable electronic crossover provides unparalleled matching for subwoofer

and system components and allows seamless integration with any loudspeaker

configuration. Additional innovative technologies such as Active Motion Control are

specifically designed to unleash the full power of the built-in Krell amplifier while

assuring that the special characteristics of low frequency sound are meticulously

reproduced. Innovative technology teamed with Krell’s outstanding core technology

ensure maximum power, precision, and performance in the low frequency range.

Innovative Subwoofer Technology and Design

Programmable Electronic Crossover

The programmable electronic crossover is a design tour de force. It seamlessly

matches the Master Reference Subwoofer to the characteristics of your system.

You can select and adjust high-pass and low-pass filter profiles and parameters.

Three filter profiles with unique response characteristics integrate the Master

Reference Subwoofer with any loudspeaker and listening setup. Each filter profile

includes parameters for frequency, slope, and level, allowing you to further fine-tune

the subwoofer to your system. These adjustments are easy to select using the

Master Reference Subwoofer’s step-by-step menu and remote control.

Krell Active Motion Control

The traditional approach to subwoofer design is to incorporate a standard servo

circuit that uses feedback to control the drivers at higher output levels. Doing so

effectively controls the drivers, but it can also dampen the musical dynamics, losing

the visceral impact of the low frequency range.

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Krell Industries MASTER REFERENCE SUBWOOFER User Manual Page 12