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Lexicon PCM 81 - REV 2 - Page 138

Lexicon PCM 81 - REV 2
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4-21
Presets
PCM 81
2.1 Piano Hall ADJUST: Decay 0-60
Piano Hall is a long and smooth rolling preset with just the
slightest hint of modulation. ADJUST controls the Mid Rt. Reduce
the depth parameter if you want to sharpen the attack of the
reverb.
2.2 Medium Hall ADJUST: Decay 0–60
Smaller version of the Concert Hall preset. ADJUST gives you a wide
range of Mid reverb times. Great for vocals and acoustic
instruments. Use the predelay parameter to separate the source
from the acoustic space.
2.3 Vocal Hall ADJUST: Decay 0–60
Combines tempo related early reflections and longer tempo
related post delays. Great for ballads. Use ADJUST to lengthen or
shorten the reverb tail. Modifying the Post Delay Mix will
strengthen or lessen the longer post delays. Tap in a couple of
quarter-notes to set the tempo.
2.4 Deep Space ADJUST: FX Mix 0–100
Imagine a narrow space which snakes on forever. This dynamic
preset goes from bright to dull while the speed of the width
modulation changes as well. ADJUST varies the echo-to-reverb
content. Sound effect worthy!
2.5 Plate4 Horns ADJUST: Impact 0–100
Bright and percussive for those horn tracks needing that certain
edge. Use ADJUST to modify the attack and release characteristics.
2.6 Alley Slap ADJUST: Pre Delay 0–100
Great for any punctuated sound source – vocals, guitars,
anything. Use ADJUST to match the delay to the music.
2.7 Drum Gate ADJUST: Duration 0–70
This inverse gated preset is low on diffusion and high on attitude.
Made for drums and other high impact sources. ADJUST controls
the duration of the effect.
2.8 Slope Down ADJUST: Duration 0–100
Very inverse sounding effect. ADJUST varies the length of the slope.
The AR Envelope, triggered by mono level, cranks in a downward
spiraling pitch shift. Unearthly on voices.
PROCESSED REVERB EFFECTS
2.9 BigBoomRoom ADJUST: BoomKnob 0–36
The Envelope followers glide the left and right post delays giving a
strong modulation effect to the reverb tail. ADJUST adds more or
less boom. Use on punchy low frequency sound sources.
3.0 Whammy Hall ADJUST: Decay 0–30
If your guitar doesn’t have a whammy bar, it does now. The AR
generator is triggered from the mono level source. The AR genera-
tor is then attached to the LFO depth which drives the two Post
Delays after the reverb. The Release constant is set rather long so
that the depth reaches full scale after 2.2 seconds. ADJUST sets the
reverb time.
3.1 JetChamber ADJUST: Jet Knob 0–127
A big chamber reverb with stereo flanging on the outputs. Use
ADJUST to set the amount of “whoosh.” The rate of the flange is
controlled by the LFO. You’ll find it in the Soft Row along with the
essential reverb parameters.

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