Lexicon
PCM 90
Dual Rvb
Algorithm Card
The Dual Rvb algorithms offer superb dual reverb and cascade configured
stereo effects. Ten new algorithms are provided on the PC card, along with 200
exciting new presets.
Each Dual Rvb algorithm contains two independent reverb blocks. Each
algorithm also has the full set of modulation and patch features featured in the
PCM 90.
The 10 Dual Rvb algorithms are made up of combinations of four Reverb blocks:
Chamber, Inverse, Room2 and Surround Chamber. These effects and their
associated parameters will all be familiar to PCM 90 users. The Chamber effect
is identical to the PCM 90 Chamber. Surround Chamber is a variation of this
same effect. Room2 is a variation on the PCM 90 Room effect, with slightly
different Shape and Spread controls and a higher overall gain. The Inverse
effect provides a new type of reverb for the PCM 90 which is excellent for gated
and unnatural reverb effects, as well as for creating small, lively environments.
The 10 algorithms on the Dual Rvb card are created by combining these effects
in the following pairs:
Splits: Room2-Room2
Invrs-Invrs
Chmbr-Invrs
Invrs-Room2
Chmbr-Chmbr
MatrixChmbr
Cascade: Chmbr>Room2
Invrs>Chmbr
Room2>Chmbr
Invrs>Room2
Each algorithm has a different combination of Rvb blocks, but the basic
functionality of each is the same. Controls for each algorithm are arranged in
a PCM 90-type matrix. The audio parameters are identical to those in the
PCM 90. A few new parameters are found in the Inverse effects, and new
InRouting parameters allows you to select Stereo Split, Mono Split or Reverse
Mono Split as routing configurations for the Dual Mono effects, and Left
Cascade, Right Cascade or Stereo Cascade as routing configurations for the
Cascade effects.
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