ATL IB2S-A, Руководство пользователя

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Introduction
The IB2S-Active Series builds on PMC’s world-class monitor 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.
The bass is loaded by PMC’s unique
TM
Advanced Transmission Line
(Advanced Transmission Line) technology. The IB2S-
Active Series uses a high-compression form of
TM
Advanced Transmission Line
to deliver a performance approaching that of
the flagship BB5 system, despite being roughly half the size. The
TM
Advanced Transmission Line
system uses contemporary
materials to provide optimised absorption of unwanted midrange energy within the cabinet,
extending bass output significantly with negligible harmonic distortion. The cabinets are handed,
and an absorbent baffle insert reduces reflections for improved dispersion and definition.
All three drivers are bespoke PMC designs. The 34mm soft-dome tweeter is the most sensitive
direct radiating tweeter available anywhere, with a proven track record in other PMC monitors
for delivering ultra-high resolution and a neutral balance. The perforated acoustic lens extends
the response beyond 25kHz and controls dispersion to ensure perfect integration with PMC’s own
75mm soft-dome midrange driver through the crossover region. This midrange driver is also well
proven in other PMC monitors and is the lowest-distortion and most efficient soft-dome of its size
available today. The unique 10-inch bass driver uses a carbon-fibre and Nomex
TM
honycombe
piston face to deliver unparalleled transient response with no cone break up artefacts
The electronics built into each cabinet provides three channels of cutting-edge, ultra-low
distortion Class-D power amplification, with a DSP-based crossover providing perfect driver
optimisation and integration, with a non-aggressive protective limiting system. Remote control
facilities enable the user to calibrate the system level and equalisation, as well as select between
analogue and AES3 digital inputs, and recall personal equalisation presets.
The IB2S-Active Series is available with three cabinet options: the IB2S-Active three-way midfield
reference monitor; the IB2S XBD-Active adds a second bass driver in a separate powered cabinet
to increase the LF headroom by 3dB; and the XBD-Active can also be used as a stand-alone
subwoofer or LFE monitor.
‘The IB2S-Active Series is designed and hand-built in England, by nice people who care and who love audio’