After unpacking the LXP-5, save all packing materials in case you ever need to ship the unit.
Thoroughly inspect the LXP-5 and packing materials for signs of damage. Report any shipment
damage to the carrier at once; report equipment malfunction to your dealer.
Notice
This equipment generates and uses radio frequency energy and if not installed and used
properly, that is, in strict accordance with the manufacturer's instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits
for a Class A computing device in accordance with the specifications in Subpart J of Part 15
of FCC Rules, which are designated to provide reasonable protection against such interference
in a residential installation. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause interference to radio or television
reception, which can be determined by turning the equipment OFF and ON, the user is
encouraged to try to correct the interference by one or more of the following measures:
If necessary, the user should consult the dealer or an experienced radio/television technician
for additional suggestions. The user may find the following booklet prepared by the Federal
Communications Commission helpful:
This booklet is available from the U.S. Government Printing Office, Washington, DC 20402,
Stock No. 004-000-00345-4.
Reorient the receiving antenna
Relocate the computer with respect to the receiver
Move the computer away from the receiver
Plug the computer into a different outlet so that the computer and receiver are on
different branch circuits.
"How to identify and Resolve Radio/TV Interference Problems."
Copyright 1989, 1995
All Rights Reserved.
Lexicon Part #070-07332 Rev 1
Lexicon Inc.
3 Oak Park
Bedford, MA 01730USA
Telephone 781-280-0300
Fax 781-280-0490
Congratulations on your purchase of the LXP-5 Effects Processing Module!
You are about to experience superb sound quality, a full range of pitch
shifting, delay and reverb effects, fast intuitive editing of preset sounds, and
an industry-leading MIDI implementation.
The LXP-5 offers a rich and distinctive palette of special effects, including
128 programs to get you started — 64 preset effects programs and an
additional 64 programs stored in RAM user memory locations. Each
program has up to five variable parameters that you can adjust for subtle or
dramatic changes in the program’s sound, and you can store as many as 128
customized programs in user memory. All of the LXP-5 functions are
accessible from the front panel, or via MIDI, providing truly world-class
flexibility and control. From pitch shifting to stereo delays and flanging, the
LXP-5 delivers superior performance. Whether you are a producer, engineer, or musician—whether you work on stage or in the studio—the LXP-5
will quickly become an indispensible part of your sound.
We’re confident you’ll find that the LXP-5’s unique combination of state-ofthe-art sound and extraordinary versatility is exactly what you’re looking for.
A Quick Reference card provides the basics of operation in a compact
format to get you up and running as quickly as possible — but to make sure
you don’t miss out on anything, we’d like you to read this manual. It provides
a thorough explanation of both front panel and MIDI operation, program
descriptions, and complete MIDI Implementation data — all the information
you need to access the full power of the LXP-5.
Installing the LXP-5
1. Installing the LXP-5
Unpacking
After unpacking the LXP-5, save all packing materials in case you ever need
to ship the unit. Thoroughly inspect the LXP-5 and packing materials for
signs of damage. Report any shipment damage to the carrier at once. The
following accessories are included with the LXP-5:
1.Quick Reference card
2.Owner's Manual
3.Power pack (USA Part # 470-07345)
4.Warranty card (USA only)
Mounting
The LXP-5 measures 8.5"W x 1.7"H x 9.5"d (215.9 x 43.2 x 241.3 mm). The
optional rack mounting kit (A-LXP-R) handles one or two units in a single
rack space. Whatever mounting method you use, make sure that the LXP5 is securely screwed into the rack adapter – "friction fit" or double-stick tape
installations may allow units to loosen during transportation, resulting in
damage.
The maximum ambient operating temperature is 35°C (95°F). Provide
adequate ventilation if the LXP-5 is mounted in a closed rack with heatproducing equipment such as synthesizer modules, effects units, or power
amplifiers. Avoid mounting the LXP-5 directly above power amplifiers.
Power
Connect the LXP-5 power pack to an appropriate AC wall socket, and the
cable end to the LXP-5 power connector. The LXP-5 must be used only with
the supplied power pack. Voltage requirements are printed on the power
pack. The LXP-5 has no power switch – it can be left on all the time. To keep
the power plug from working loose from the rear of the unit during transport,
you may wish to apply a small amount of silicone sealer to the plug after
inserting it.
1-1
LXP-5 Owner's Manual
Y
LXP-5 Front Panel Controls
Input
Sets the audio input
level.
Mix
Controls the ratio of dry
(source) to wet (effect)
signal present at the
LXP-5 outputs. (Turn
the control all the way
to the left for 100% dry/
0% wet.)
Output
Controls the signal
level sent to the LXP-5
outputs.
Learn
This button is used to
store and edit programs, to learn
patches and, with an
external MIDI device,
to select MIDI channel.
Learn LED
Confirms that power is
on, and blinks in red or
green at different rates
to indicate LXP-5 status.
exicon
INPUT
MIX
Level Indicators
The left LED indicates
signal present; the right
flashes red when the
signal is -3dB from
peak overload.
1-2
PRESETUSER
OUTPUT
PITCH
DELA
CHORUS
MULTI
A
EDIT
B
C
BYPASS
Function and Select
Used for selection of
factory presets, User
memories, Bypass and
three edit modes.
SELECT
1
2
3
4
5
6
7
8
Adjust
Used to adjust program
parameter(s), or to adjust the selected parameter in Edit Mode.
LXP-5
LEARN
LXP-5 Rear Panel Connections
MIDI IN
Receives MIDI information from other MIDI
equipment such as
master keyboard controllers, MIDI foot controllers, sequencers
and synthesizers.
Footswitch
Connector for toggle
(Push on/push off) or
momentary contact
footswitch.
Installing the LXP-5
Outputs (L and R)
Single-ended (unbalanced) stereo outputs
provide +4dBu nominal
output level.
Dynamic MIDI®FOOTSWITCH
IN
OUT - THRU
MIDI THRU (OUT)
With the recessed slide
switch set for MIDI
THRU, any MIDI data
received is sent without
change. The recessed
slide switch can also be
set for MIDI OUT.
POWER
9V AC
MIDI
1.5A
LEXICON LXP-5
ASSEMBLED IN HONG KONG
Power
Accepts power from
the supplied power
pack.
OUTPUTSINPUTS
L
R
L
THIS EQUIPMENT COMPLIES WITH THE REQUIREMENTS IN
PART 15 OF FCC RULES FOR A CLASS A COMPUTING DEVICE
Inputs (L and R)
Single-ended (unbalanced) inputs accept
levels from -25 to
+20dBu. Input impedance is 50 kilohms in
stereo, 25 kilohms in
mono.
R
1-3
LXP-5 Owner's Manual
Audio Connections
This section outlines several connection possibilities for the LXP-5. Because each sound system is unique, we recommend experimentation to
arrive at the best configuration for your system. Always check connections
for proper impedance, polarity, and levels.
Audio connections to the LXP-5 are unbalanced, and should be made with
high quality shielded cables with 1/4" tip-sleeve phone jacks at the LXP-5
end. The connectors must be wired as shown below:
Sleeve - Shield/Ground
Tip - High
If only 1/4" tip-ring-sleeve phone jacks are available, they must be wired as
shown:
Sleeve - Shield/Ground
Tip - High
Ring - Connect to Sleeve
Mono or stereo?
The LXP-5 produces wonderful stereo effects from either mono or stereo
signal sources. For mono sources, use either of the two input connectors;
the dry signal appears (along with the stereo effects) in mono at both output
connectors. For instruments and sources with stereo outputs, use both
inputs. We recommend using both LXP-5 outputs whenever possible but, if
mono output is required, you can use just one of the two output connectors.
When only one output is used, the left and right signals are summed
internally .
Some of the examples on the following pages use stereo instruments and
amplification systems, others use mono. Feel free to adapt the examples to
your specific requirements.
1-4
Installing the LXP-5
Y
Channel Input or
Effects Return (R)
Channel Input or
Effects Return (L)
Effects
Send
Input
(L or R)R Output
exicon
INPUT
MIX
L Output
PITCH
OUTPUT
DELA
CHORUS
MULTI
EDIT
PRESET USER
A
B
C
BYPASS
SELECT
1
2
3
4
5
6
7
8
LXP-5
LEARN
Connection to a mixing console's effects sends
If you will be using an LXP-5 as your primary effects unit, and your system
includes a console with one or more auxiliary (effects) sends, connect the
LXP-5 as shown above. In most applications, it is preferable to connect the
LXP-5 outputs to two of the console's input channel strips, panned full left
and right, rather than the effects returns. This allows the greatest flexibility
in routing and equalization.
In this configuration the console controls are used to set the amount of effect
heard—the LXP-5 front panel MIX control should be set fully clockwise for
100% wet.
1-5
LXP-5 Owner's Manual
Y
Channel Input
(pan right)
Channel Input
(pan left)
LXP-5
L Output
exicon
INPUT
MIX
PRESET USER
PITCH
OUTPUT
DELA
CHORUS
MULTI
A
EDIT
B
C
BYPASS
1
2
3
4
5
6
7
8
SELECT
LXP-5
R Output
LXP-5
LEARN
InIn
Synth
L Output
Synth
R Output
Connection between instrument and console
In some applications (such as when an LXP-5 is used for a single instrument)
it may be desirable to patch the LXP-5 between the instrument and console.
This makes it possible to keep the LXP-5 up on stage with other MIDI gear,
rather than in the console effects rack, making MIDI control much easier.
In this configuration, the LXP-5 front panel MIX control is used to set the
balance between wet and dry sound.
1-6
Guitar
Y
Output
Installing the LXP-5
LXP-5 Input
(L or R)
Amp
L Input
exicon
INPUT
MIX
OUTPUT
LXP-5
L Output
PRESET USER
PITCH
1
DELA
CHORUS
2
MULTI
3
4
A
5
EDIT
B
6
C
7
8
BYPASS
LXP-5
SELECT
LXP-5
R Output
R Input
LEARN
Amp
Connection between instrument and amplifier
For a very spacious guitar sound, connect the LXP-5 between a guitar and
two amp and speaker stacks. The only problem with this setup is that if you
use overdrive distortion created by the amplifier, changing settings on the
LXP-5 also affects the quantity and quality of your distortion. If you use a
separate distortion box, you can get around this problem by connecting it
before the LXP-5. If you prefer amplifier-generated distortion, try the setup
shown on the next page.
1-7
LXP-5 Owner's Manual
Y
WARNING! Never connect speaker outputs from a
guitar amp to the LXP-5. Doing so can cause serious
damage which is not covered by the LXP-5 warranty.
On some guitar amplifiers it is very easy to accidentally
use a speaker output instead of a direct or effects
output. BE CAREFUL!
Guitar
Output
Amp or
Preamp
Input
Direct or
Preamp output
LXP-5 Input (L or R)
exicon
INPUT
Amp
L Input
MIX
OUTPUT
LXP-5
L Output
PRESET USER
PITCH
DELA
1
CHORUS
2
MULTI
3
4
A
5
EDIT
B
6
C
7
8
BYPASS
LXP-5
SELECT
LXP-5
R Output
Amp
R Input
LEARN
L and R Speaker Outputs from Power Amp
Connection between instrument preamp and power amplifier(s)
If you use overdrive distortion, it's usually better to create the overdrive
before
sending the signal to the LXP-5 to ensure that the effects don't
change the quantity and quality of your distortion. In this setup, you need a
guitar preamplifier or a guitar amp with a direct output. Feed this signal to
either of the LXP-5 inputs, and then on to a stereo power amp or a pair of
guitar amps. (A few guitar amplifiers become unhappy if they are operated
without speakers connected. Consult the amp manufacturer for details.)
You can use the effects send and return connectors on a mono guitar amp
to obtain similar results. Adjust the LXP-5 output level so that the amp
produces the same output with the LXP-5 as it does without it.
1-8
Console
Y
Y
Inputs
Console
Inputs
Installing the LXP-5
LXP-5 Outputs
(L and R)
exicon
INPUT
MIX
OUTPUT
LXP-5 Inputs
PRESET USER
PITCH
DELA
1
2
CHORUS
3
MULTI
4
A
5
EDIT
B
6
C
7
8
BYPASS
LXP-5
LEARN
SELECT
LXP-5 Outputs
exicon
INPUT
MIX
OUTPUT
LXP-5 L Input
(L and R)
PRESET USER
PITCH
DELA
1
CHORUS
2
MULTI
3
4
A
5
EDIT
B
6
C
7
8
BYPASS
LXP-5
LEARN
SELECT
(L and R)
Drum machine's
stereo outputs
Drum machine's individual
output for snare drum
Connection between drum machine and console
Using two LXP-5 units between your drum machine and console can make
your drum machine sound much more exciting, since it allows you to process
the all-important snare drum separately from the rest of the mix. Make sure
you remove the snare from the drum machine's main stereo mix.
1-9
LXP-5 Owner's Manual
1-10
Front Panel Operation
2. Front Panel Operation
Setting audio levels
The wide range of adjustment available with the LXP-5 INPUT and OUTPUT
LEVEL controls allow it to be used with virtually any kind of equipment found
in the studio or on the road.
To set audio levels:
1. Turn the LXP-5 INPUT and OUTPUT LEVEL controls all the way down
(fully counterclockwise).
2. Set the instrument output, preamp output, or effects send that feeds the
LXP-5 input(s) to a nominal level. With an instrument, this should be
your loudest normal playing level; with a preamp output or console,
adjust the output(s) or effects send(s) to produce the highest level
possible with the least amount of noise. If the output you are using
doesn't have a level control, don't worry about it!
3. While sending audio to the LXP-5, gradually turn up the INPUT LEVEL
control until the green SIGNAL PRESENT LED lights. Continue to
advance INPUT LEVEL until the red PEAK LED just flashes on the
loudest peaks. If it flashes continously, reduce INPUT LEVEL
slightly.This ensures the best possible signal-to-noise ratio and dynamic range.
SIGNAL PRESENT
LED should be lit
exicon
INPUT
PEAK LED flashes on peaks; INPUT
LEVEL should be set to the level
where the PEAK LED flashes briefly
on the loudest peaks only
MIX
Note: If the PEAK LED flashes with no input present (i.e., during reverb
delay line feedback, it indicates processor overload is occurring.
2-1
LXP-5 Owner's Manual
4. If the LXP-5 inputs are connected to a console effects send, and the
outputs are connected to console channel strip inputs, set the console's
input level trim and fader to a setting typically used for line level inputs.
Then set the MIX control fully clockwise (100% effect) and gradually turn
up the LXP-5 OUTPUT LEVEL control until the right amount of audio is
present at the console.
INPUT
MIX
OUTPUT
MIX setting to use when
the LXP-5 is patched to
console effects send(s)
5. If you are using an instrument amplifier or preamplifier, start with the
LXP-5 MIX control straight up (50% effect). Gradually increase the
OUTPUT LEVEL control until the audio level heard from the amplifier is
approximately the same as when the LXP-5 is not connected.
The best setting for MIX depends on which program you are using, and
to a great extent, your personal taste; feel free to experiment.
INPUT
MIX
OUTPUT
When using an instrument
amplifier or preamplifier,
the ideal MIX setting is
generally somewhere in
this range
2-2
Front Panel Operation
LED signals
The front panel LEARN indicator is a bicolor (red/green) LED that performs
several functions:
Register Store: success or failure
The LEARN LED will blink at a 6 Hz rate for approximately 2 seconds — in
green to indicate succesful register storage, red to indicate failure to store
to a register.
MIDI Data Present
The LEARN LED will flicker (in whatever its current color) to indicate LXP5 recognition of incoming MIDI messages. System Common messages,
non-LXP-5 SysEx messages and any message on channels other than the
selected channel will not activate the LED.
Parameter Editing Status
When not receiving MIDI, or indicating storage success, the LED will tell you
two things about the parameter editing status of the sound you are running:
1.
Has the selected parameter been changed from the stored value?
If the selected parameter matches the stored value, the LED will be
green. Otherwise it will be red.
2.
Do the knobs correctly indicate the sound that is running?
If the knobs are accurate the LED will be steady. If the knobs are
accurate (for example, after loading a program or changing the
selected parameter via MIDI), the LED will blink.
GREENRED
LED Steady Parameter UnchangedParameter Changed
Knobs AccurateKnobs Accurate
LED BlinksParameter UnchangedParameter Changed
Knobs InaccurateKnobs Inaccurate
not
2-3
LXP-5 Owner's Manual
Y
Presets and User Programs
Selecting LXP-5 preset programs
Any one of 64 preset effects programs can be selected by turning the
FUNCTION and SELECT knobs on the front panel. To select a preset, first
turn FUNCTION to one of the four available preset types: PITCH, DELAY,
CHORUS or MULTI(-effect). Then, turn SELECT to one of the 16 presets
within the chosen type.
Use FUNCTION to select a
preset type.
PRESETUSER
PITCH
DELA
CHORUS
MULTI
A
EDIT
B
C
BYPASS
1
2
3
4
5
6
7
8
Use SELECT to choose
a specific preset.
SELECT
Once a preset has been chosen, the sound can be modified with the
ADJUST knob. Program parameters can be altered in Edit mode, described
later in this chapter.