Lexicon MPX 200 - REV 2 Manual page 52

Program Descriptions
ROTARY
Rotary speaker cabinets were originally designed to
provide a majestic vibrato/choir effect for electronic
theater and church organs. The most well known rotary
speaker is the Leslie™ Model 122, which has two
counter-rotating elements: a high-frequency horn and a
low-frequency drum with slow and fast speeds. As the
spinning elements change speed, the sound generated is
truly magical. The swirling, spacious effect is hard to
describe, but is instantly recognizable.
The rotary effect is a detailed simulation of a Leslie-style
cabinet. The input signal is split into high and low-
frequency bands. The rotation effect is created by a
synchronized combination of pitch shifting, tremolo,
and panning. Like the physical model, the high (horn)
and low (drum) frequencies are "spun" in opposite
directions. Horn and drum speeds are independent, and
are designed with acceleration and deceleration
characteristics to simulate the inertia of the original
mechanical elements.
4-10
A virtual requirement for any organ sound, the Rotary
programs also sound great with guitar and electric piano
rhythm parts. In fact, they are great alternatives to
chorus and tremolo effects for any sound source.
All of these programs should be used with Mix set to full
wet (100%)to achieve the full effect.
Rotary Presets
65 Rot SlowFast
66 Rot Slow
67 Rot SpeedAdj
68 Rot TapRate1
69 Rot TapRate2
Lexicon
Adjust Tap
Switch –
Resnce –
Speed –
Balance Rate
Resnce Rate