Lexicon 550D - 24 Bit Dual Channel Processor

Easy Operation The front panel Program and Edit knobs provide
convenient control over all 255 presets and 64 User programs, while a large,
graphic front panel display provides at-a-glance viewing of program and system
status. When the Load button is pressed, the Program knob selects among Single,
Dual, and User programs. Otherwise, the Program knob activates Cue Program Mode,
which allows one program to run while another is prepared for loading. The Load
button LED lights to indicate that a program is cued for loading. The front
panel display indicates the name of the cued program for 4 seconds, then reverts
to showing the name of the program that is currently running.
Dedicated
Edit knobs work with well-organized Edit Pages to demystify the process of
editing programs. Each program includes up to 16 parameters that are organized
into Edit Pages. The front panel Edit Pages button cycles through parameters
available for the loaded program. Each Edit knob is patched to the corresponding
parameter listed across the bottom of the front panel display. Each program also
features an “Adjust” parameter – a special parameter selected for each preset
that controls the most critical aspect of the sound. For some presets, the
“Adjust” parameter actually controls several parameters at once to allow
simultaneous control over related effects.
Legendary Effects In
addition to the world-class effects provided by the MPX 200:
Compressor – Provide compression and limiting with ratios from
1:1 to 10:1. The Adjust parameter can be used to volume match input and output
levels. Reverb can be used at the same time as the compressor in parallel, or
with the compressor acting as an input limiter before the reverb to tame runaway
sibilance in the reverb itself.
Dynamics – Intended for use in the
studio for dynamic processing of stereo signals is required. It offers peak
expansion, compression, and tape saturation effects, as well as metering options
that provide precise visual indication of peak expansion, gain reduction, and
input and output levels.
Live-FOH (Front of House) – Designed for
live performances, with controls that are more convenient for live sound
engineers to operate. All presets are Dual Mono to accommodate sound
reinforcement systems used in most small to mid-size venues. The first Edit Page
contains the four most essential parameters for the first effect, and the second
Edit Page contains the four most essential parameters for the second effect. Two
different knob mappings are available to accommodate multiple work styles.
Tap Tempo Tap Tempo simplifies the process of matching the
delay times and modulation rates of tempo-based presets with those of the music.
Whenever a tempo-based preset is loaded, the Tap button LED flashes. To set
tempo from the front panel, press the Tap button twice in time with the music.
It is not required to enter what “could be” the delay time in milliseconds. To
change tempo, just press the Tap button twice again in the new rhythm. Tempo can
also be set using audio input (a must for live performances), a dual footswitch,
or an external MIDI device that uses Continuous Controller or Program Change
messages.
MIDI Control The MPX 550 offers full MIDI control,
thanks in part to a powerful editing tool called Learn Mode that allows patching
of five front panel controls. Standard Continuous Controller, Sys-Ex commands,
or Program Change messages can be used to manipulate the Adjust, Effects
Lvl/Bal, and Mix knobs, as well as the Bypass and Tap buttons. In addition,
Program Change messages can be used to load programs. In the studio, controls
can be automated and recorded into a sequencing device for complete preset
automation. Back
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