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Getting Started
Lexicon
ABOUT THE PCM 81
Thank you for your purchase of the PCM 81, one of Lexicon’s most
powerful and versatile digital effects processors. The PCM 81 brings
you exciting new effects with extensive processing and control
capabilities, and uncompromising sonic clarity.
THE PRESETS
The PCM 81 contains a built-in library of 300 preset programs that
provide a comprehensive array of effects ranging from beautiful
and lush to completely wild. The presets are organized into 6 Banks
of 50, and functionally grouped for a wide range of applications.
Be sure to experiment with all 300 presets to get a feel for the full
range of PCM 81 capabilities.
When you turn the knob, you will adjust the reverb decay. In Prime
Blue, ADJUST is patched to several parameters, so that turning the
knob changes the effect from a tight chorus, to a chorus with
recirculating echoes and, finally, into a reverb.
THE ALGORITHMS
The PCM 81 uses 17 stereo algorithms to create different types of
effects. Each algorithm includes an uncompromised stereo reverb
effect, as well as several voices of additional stereo effects. There
are three general classes of algorithm: 4-Voice, 6-Voice and Pitch.
The 4-Voice algorithms: Concert Hall, Plate, Chamber, Inverse and
Infinite each combine a specific type of reverberation with a
4-voice, general purpose, stereo effect “toolbox”, as well as
additional post-processing for the reverb. The 6-Voice algorithms:
Glide>Hall, Chorus+Rvb, M-Band+Rvb, Res1>Plate and Res2>Plate
each combine a specific type of reverberation with a specialized
6-voice stereo effect. The Pitch algorithms: Quad>Hall, Dual-
Chmb, Dual Plt, Dual Inv, Stereo-Chmb, VSO-Chmb and Pitch
Correct each offer a unique type of pitch shifting, combined with
an uncompromised Lexicon reverb.
Many of the PCM 81 algorithms include parameters that make it
possible to create dynamic spatialization effects for 2-channel or
surround applications. Check out the Ambience Effects in Bank P1
and the Spatial Effects in Bank P2 for examples. The Dual FX Pitch
algorithms have dedicated Submixer controls that allow instant
reconfiguration of the reverb and effects blocks.
TEMPO CONTROL
The PCM 81 gives you a unique set of tempo controls. Tempos can
be tapped in with the front panel Tap button (or an assigned
controller) or “dialed-in”, in BPM (beats per minute) on the display.
The PCM 81 also lets you generate MIDI clock from your tempo, as
Bank P0
• Multi Effects
• Modulation Effects
• Special Effects
Bank P1
• Rhythmic Echo &
Delay Effects
• Ambience Effects
Bank P2
• EQ Effects
• Spatial Effects
• Gain Effects
• Resonant Chord
Effects
Bank P3
• Reverb Effects
• Processed Reverb
Effects
• Remix Effects
Bank P4
• Vocal Shift
• Vocal Harmony
• Guitar Magic
• Instrument Shift &
Harmony
• Percussion & Tempo
Bank P5
• Sci-Fi FX
• Pitch & Delay
• Pitch Sequences
• Pads & Drones
• Utility Programs
• Pitch Correct
Every preset has one or more of its parameters patched to the front
panel ADJUST knob, giving you instant control over the primary
aspect of the effect — without going into Edit mode. In the preset,
Concert Hall, for example, Mid Reverb Time is patched to ADJUST.
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