PMC teenty sub, Руководство пользователя

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Thank you for choosing the PMC twenty active subwoofer. This guide provides installation and
operating instructions.
This active subwoofers can be used in a 2.1 configuration with twenty series speakers to gain
extra bass extension and headroom, or they can be used to reproduce a low frequency effects
(LFE) channel in a surround system. Numerous configurations are possible, some of which are
illustrated in this guide.
The electronics built into the subwoofer cabinet include an ultra-low distortion Class-D power
amplifier, with DSP-based gain, filtering, and bass management functions when the signal is
routed via the
twenty sub . Balanced stereo analogue and AES3 digital inputs are accepted to
feed the subwoofer system, and these input signals are also passed through to the analogue and
digital outputs for connection with other devices. The outputs can be unprocessed or high-pass
filtered, and with fixed or variable gain.
The input source, analogue input sensitivity, gain trim, and overall volume are all adjustable, as are
the subwoofer’s low-pass filter slope and frequency. Additionally, the phase can be adjusted and
a single parametric equaliser is provided to assist with in-room alignment. The analogue and digital
outputs can be high-pass filtered, if required, to feed satellite speakers in a 2.1 configuration.
This subwoofer builds upon PMC’s world-class design pedigree, combining the finest drivers
available with the unique
TM
Advanced Transmission Line
(Advanced Transmission Line) bass loading principle, sophisticated
Class-D amplification, and ultra-precise DSP control. PMC’s unique
TM
Advanced Transmission Line
technology uses
contemporary materials to provide optimised absorption of unwanted low-midrange energy
within the cabinet, while extending bass output significantly with negligible harmonic distortion.
The two long-throw bass drivers employed in the
twenty
subwoofer are a bespoke PMC
design using natural materials, with an ultra-light and ultra-stiff doped-paper cone to deliver
unparalleled transient response. The
twenty sub
cabinet has a small footprint, making it more
convenient and easier to place than typical cube-shaped designs.
Introduction
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