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Lexicon

LXP-15 Owner's Manual

1-4

Audio Connections

This section outlines several connection possibilities for the LXP-15. 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-15 are unbalanced, and should be made with high
quality shielded cables with 1/4" tip-sleeve phone jacks at the LXP-15 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:

The LXP-15 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-15 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.

Mono or stereo?

Sleeve - Shield/Ground

Tip - High

Ring - Connect to Sleeve

MIDI Connections

MIDI connections are dependent on your applications, and on the equipment
available in your system. For examples of MIDI system connections, see
Chapter 6:

MIDI Operation.

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Содержание LXP-15

Страница 1: ...LXP 15 Multi Effects Processor Owner s Manual...

Страница 2: ...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 Reorient the receiving antenna Relocate the computer...

Страница 3: ...Moisture Do not use the unit near water for example near a sink in a wet basement near a swimming pool near an open window etc Object and liquid entry Do not allow objects to fall or liquids to be spi...

Страница 4: ...LXP 15 Multi Effects Processor Owner s Manual...

Страница 5: ...1 Patching 4 6 Global and General Purpose Patches 4 13 Setting up Global Patches 4 14 Setting up General Purpose Patches 4 16 Patching Examples 4 21 5 The Presets About the presets 5 1 Presets 1 52 5...

Страница 6: ...nt panel or via MIDI providing truly world class flexibility and control From pitch shifting to stereo delays and flanging the LXP 15 delivers superior performance Whether you are a producer engineer...

Страница 7: ...the LXP 15 power connector Then plug the line cord into an appropriate AC wall socket The LXP 15 measures 19 W x 1 75 H x 13 9 D 483 x 45 x 353 mm Make sure that the LXP 15 is securely screwed into th...

Страница 8: ...with the Soft buttons View Used to display alternate screen information Output Controls the signal level sent to the LXP 15 out puts Page knob Used for selection of 16 display pages POWER Power on off...

Страница 9: ...quipment Inputs L and R Single ended unbal anced inputs accept lev els as low as 26dBu In put impedance is 50 k in stereo 25 k in mono Ei ther can be used for mono input Foot Controllers Five connecto...

Страница 10: ...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 wit...

Страница 11: ...s shown above In most applications it is preferable to connect the LXP 15 outputs to two of the console s input channel strips panned full left and right rather than the effects returns This allows th...

Страница 12: ...l Input pan left Channel Input pan right LXP 15 L Output LXP 15 R Output Synth R Output Synth L Output In In In some applications such as when an LXP 15 is used for a single instrument it may be desir...

Страница 13: ...connect the LXP 15 between a guitar and two ampandspeakerstacks SettheLXP 15MIXcontroltoapproximately50 The only problem with this setup is that if you use overdrive distortion created by the amplifie...

Страница 14: ...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 retu...

Страница 15: ...ix Console Inputs Console Inputs LXP 15 L Input LXP 15 Inputs L and R LXP 15 Outputs L and R LXP 15 Outputs L and R Drum machine s stereo outputs Drum machine s individual output for snare drum INPUT...

Страница 16: ...Lexicon LXP 15 Owner s Manual 1 10...

Страница 17: ...xamples are display contrast and brightness MIDI Channel number etc Patch A patch is a routing assignment that allows an LXP 15 parameter to be driven by a source control such as a footpedal or a synt...

Страница 18: ...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 WhilesendingaudiototheLXP 15 graduallyturnuptheINPUT controluntil the red...

Страница 19: ...first and second or the second and third lines In this example pressing this button has selected HiCut The value of this parameter is bracketed by arrows to highlight its selection Turning the ADJUST...

Страница 20: ...The upper section provides for selection of the available parameters which define the sound of each algorithm Reverb Pitch EQ Delay Level Modulation and Algorithm The settings grouped on the lower lef...

Страница 21: ...3 Small Bright 14 Dark Closet 15 Large Dly Room 16 Med Dly Room 17 1 4 Verb MAT 18 Dark Dly Room 19 Small Delay 20 Vocal Room 21 Vocal 36 22 Late Vocal 23 Vocal Plate 24 Plate 25 Small Plate 26 Long P...

Страница 22: ...the ADJUST knob the bottom line of the display will change to show the full name of the selected parameter and the selected value These values will change as you continue to turn ADJUST Preset 2 Brigh...

Страница 23: ...New entries will overwrite any program stored at that location so be careful not to store into a location that contains a setup you want to save We have provided a chart for you to record your own pr...

Страница 24: ...brightness levels to allow adjustment for different lighting conditions Memory Write Protect is a feature that lets you prohibit the overwriting of the setupsstoredintheregisters Ifthewrite protectfu...

Страница 25: ...change the current algorithm by turning the PAGE knob to Alg andusingADJUSTtoselectadifferentalgorithm Beawarethatdifferent algorithms have different parameters Changing algorithms with ADJUST may ca...

Страница 26: ...ront panel input control Mix Adjusts the mixture of the dry left and right inputs and wet the left and right algorithm outputs signals sent to the left and right outputs When set to 0 only dry signal...

Страница 27: ...o pitch shift when the delay has stabilized The reverberator is a full featured room simulator with its own predelay Its many parameters alllow you to design almost any space you can imagine One uniqu...

Страница 28: ...eps from flat to 320Hz LoCut Adjusts low frequency roll off for the algorithm Roll off is adjustable in 32 steps from flat to 19Hz Decay Adjuststhereverbtimeformid frequencysignals Becaselowfrequency...

Страница 29: ...ncreases over time HighsettingsofDiffusionresultinhighinitialbuildupofechodensity lowsettings cause low initial buildup Echo density is affected by Size smaller spaces will sound denser To enhance per...

Страница 30: ...ltered echoes pitch shift chorusing enhanced stereo spread and reverb all at once A special feature of this algorithm is loop sampling The Predelay can be used as a loop sampler controlled by Predelay...

Страница 31: ...elay Feedback A postive feedback loop around predelay When set to maximum 100 it locks out further input and begins an infinte loop with a length equal to the current setting of Predelay Delay L Rever...

Страница 32: ...a darker tone to the reverberation simulating the effect of air absorption in a real hall Maximum setting gives a flat response through the filter section Bass Multiply Sets the reverb time for low fr...

Страница 33: ...s as well The Mix Predelay and Treble parameters are very important in this algorithm allowing you to create anything from an enhancement or subtle thickening to a solid wall of reverb Parameter pages...

Страница 34: ...reble is set to some value other than Full then the roll off slope at the selected frequency will increase with each pass through the feedback loop For example if Predelay and Predelay Feedback are se...

Страница 35: ...nhancing and thickening the source material The Plate algorithm is often the best choice for percussion and also works well with other types of source material such as acoustic guitars and piano DELAY...

Страница 36: ...arameter For example if Bass Multiply is set to 2X and Decay is set for 2 seconds the low frequency reverb time will be 4 seconds For a natural sounding plate reverb 1 0X or less is recommended Size S...

Страница 37: ...e Chorus Delay algorithm be sure to listen to and experiment with presets built on this algorithm See Chapter 5 The Presets The Chorus Delay algorithm is a six voice chorus configured as three stereo...

Страница 38: ...The maximum total delay is 1 798 seconds Feedback 3 Feedback loop around Delay 1 and Delay 3 When set to maximum 99 it continues to add input signal to the loop Note that feedback in this algorithm c...

Страница 39: ...is now commonplace The simulation of effects is more concerned with our perception of sounds and generally requires synthesis of the environment in which sounds occur effects can create the impressio...

Страница 40: ...arrangement The Tempo patch source of the LXP 15 can be used to automatically synchronize slap rhythms to a wide range of MIDI tempos Ambient echo effects simulate sound reflections from room surfaces...

Страница 41: ...y times used are usually somewhat shorter 20ms the LFO modulation may be a little more exaggerated and very often feedback is introduced to increase the intensity of the effect There are many possible...

Страница 42: ...the end of this manual The Tempo patch control source can be used to automatically synchronize rhythms to a wide range of MIDI tempos With no feedback only one previous phrase will be audible if feedb...

Страница 43: ...cted sound is heard If the source is moving relatively quickly a pitch shift is heard as well The pitch increases as the source approaches and decreases as it moves away You can create frontal localiz...

Страница 44: ...irection of motion up or down corresponds to an increase or decrease of the parameter value All Sources are the same in the sense that each generates an output value in the rangeof0 127 Theoutputvalue...

Страница 45: ...te played note number PhasDep MIDI phaser depth control slider DetDept MIDI detune control slider ChorDep MIDI chorus depth control slider TremDep MIDI tremolo depth control slider ExtDept MIDI ext ef...

Страница 46: ...vibrato chorus and flange LFO LFO TIMEOUTPUT 0 127 The Input Envelope Follower InLevel is an internal Source that generates output based on the loudness amplitude of the input signal The louder the in...

Страница 47: ...OFF TIP SLEEVE PEDAL 1 4 Standard Phone Plugs Sleeve Sleeve Tip Ring Typical Pot entiometer Almost all of the controllers found on a MIDI keyboard or other MIDI instrument can be used as Sources patc...

Страница 48: ...no change corresponds to the minimum position Pitch Bend Pan and Balance are implemented as bidirectional controllers Off or no change corresponds to the middle position of the control MIDI Sliders MI...

Страница 49: ...audio MIDI Pressure 0 PRESSURE 127 MIDI Note numbers TheNoteNumberSourcesproduceoutputbasedonthenoteplayedontheMIDI instrument For reference Note Numbers are shown here as they correspond to a MIDI ke...

Страница 50: ...ates produce higher Tempo values fasterclockratesproducelowerTempovalues Thisallowsyoutocreate rhythmic echoes and other effects that can be synchronized to the tempo of MIDI drum machines and sequenc...

Страница 51: ...setup are accessed by turning PAGE to Patch 1 Patch 2 Patch 3 and Patch 4 Global and General Purpose Patches Delay Reverb Pitch Delay Gate Plate Chorus Delay Algthm global patches only Glidely Predel...

Страница 52: ...estinations you don t want to control globally to Off If the Destination is set to a Source not physically connected to the LXP 15 its value will jump to minimum when in the Immediate mode The Delayed...

Страница 53: ...ith either fine or coarse parameters The coarse parameters Gldyhi Pdlyhi DlyLhi etc allow you to control the entire delay range with the Source The fine parameters Glidely Predely Delay L etc provide...

Страница 54: ...ion on the Sys page is an aid to creating patches When Update is set to On the displayed Destination and Offset values will change as the Source controller is moved This allows you to see the effect o...

Страница 55: ...ld allows you to match any position of the Source controller to the initial value of the Destination parameter Threshold values are 0 127 This corre sponds to the value range of typical MIDI controlle...

Страница 56: ...idirectional MIDI slider as a Source Pitch Bend Balance Pan set threshold to 64 When After Touch or Breath are used as Sources set threshold to 0 or 127 Scale values can be positive or negative Positi...

Страница 57: ...eters scale can be set to at least twice the full range This allows you to control the full range of a parameter with less than the full range of a controller One of the most useful tempo patches is t...

Страница 58: ...hes for the setup Don t assign Size to performance Sources like velocity note number etc Changing Size temporarily mutes the outputs of the LXP 15 During performance always set the Update mode on the...

Страница 59: ...an settings will pan the unchanged input signal Wet pan setting will pan the processed output signal Dry Pan moves a mono input signal between the left and right outputs With stereo input signals Dry...

Страница 60: ...elay R 0 s 0 0 s 75 don t care Patch Settings Src 1 Thresh1 Dest 1 Scale 1 Offset 1 LastNote 60 Intervl 1step Src 2 Thresh2 Dest 2 Scale 2 Offset 2 Mod Whl 127 Feedbk 100 Src 3 Thresh3 Dest 3 Scale 3...

Страница 61: ...ii 249ms Src 2 Thresh2 Dest 2 Scale 2 Offset 2 Tempo 127 Slope 72 Use the Delay Reverb algorithm InLevl control of Decay turns on infinite reverb Scale sets the level of the signal that will trigger t...

Страница 62: ...Lexicon LXP 15 Owner s Manual 4 24...

Страница 63: ...stronger signal will produce a deeper effect Env means that a weaker signal will produce a deeper effect Oct indicates a pitch shift of one octave up Cascade indicates a patch which uses feedback thro...

Страница 64: ...Vocal Plate Plate None 24 Plate Plate None 25 Small Plate Plate None 26 Long Plate Plate None Preset Name Alg Patch 27 Plate 15 Plate None 28 Brite Plate Plate None 29 Dark Plate Plate None 30 Small...

Страница 65: ...Ringr Chor Dly None 67 LFO Roll Chor Dly LFO LFO controls chorus rate 68 Thick Chorus Chor Dly None 69 Gtr Eko Room Plate None 70 Sizzle Verb Dly Rvb None 71 Dly Gate Rite Gate None 72 Thick r Gate Ga...

Страница 66: ...increases reverb decay predelay and mix 106 ConvrtDlyMod Pch Dly MIDI Mod increases delay time and feedback 107 8Va CloudMod Pch Dly MIDI Mod increases depth 108 VaryRes2Mod Dly Rvb MIDI Mod raises re...

Страница 67: ...ect the same MIDI channel as your controller NOTE When MIDI chn is set to OMNI the LXP 15 transmits on channel 1 and receives on channels 1 16 Some extremely useful effects can be created by controlli...

Страница 68: ...below MIDI Tempo control INPUT OUTPUT POWER LXP 15 exicon HEADROOM OVL 12 18 24 VIEW ADJUST PAGE Reverb Pitch EQ Dly Setup Store Name Global MIDI Level Mod Alg Patch 1 Patch 2 Patch 3 Patch 4 Sys MIDI...

Страница 69: ...master as follows In general whenever the master s ADJUST knob is used to change a parameter value a corresponding parameter change will occur on the slave s Loading presets or registers from the setu...

Страница 70: ...ugh the available parameters of whatever setup is currently loaded Wherever parame ters are not available in a particular algorithm their position is indicated by a number rather than by parameter nam...

Страница 71: ...stored data and place it in the edit buffer Byte Value Description 0 F0 hex System Exclusive 1 06 Lexicon ID 2 06 LXP 15 ID 3 0011 nnnn bin n MIDI Channel 0 15 4 0eee eeee e event code 60h active set...

Страница 72: ...ved together by connecting a cable from the MIDI OUT jack of the master to the MIDI IN jack of the slave Additional LXP 15s can be slaved to the same master by connecting a cable from the MIDI THRU po...

Страница 73: ...Lexicon ID 2 06 LXP 15 ID 3 0101 nnnn bin n MIDI Channel 0 15 4 0ppp pppp p parameter number 0 127 5 0vvv vvvv 7 bit data lsb 6 0vvv vvvv 7 bit data msb 7 F7 hex End of SysEx message Byte Value Descr...

Страница 74: ...a Param Data Description Program parameters 0 26 0 26 Microcode Parameters 27 27 General Purpose Patch 1 Source 28 28 General Purpose Patch 1 Threshold 29 29 General Purpose Patch 1 Destination 30 31...

Страница 75: ...small parameter messages All parameters are accessible by Parameter Change messages There are two major parameter classifications Program parameters and System parameters Generally program parameter...

Страница 76: ...p number 79 MIDI Channel 80 Global Patch mode 81 Display Update 82 Memory Protect nonzero protected 83 95 Reserved Param Patch 1 Patch 2 Patch 3 Patch 4 Data 27 34 41 48 Patch Source 0 127 see below 2...

Страница 77: ...s calculated Offset value is added to the stored base value of the specified destination parameter The sum of the offset and base values is the number used by the audio processor and the parameter tra...

Страница 78: ...s five algorithms LXP 15 Microcode Parameters DELAY REVERB Param Global Patch Parameter Name Max Value 1 2 97 98 Glide Delay Gldlyhi 9983 3 99 Glide Feedback 127 4 5 100 101 Delay 2 Dly2hi 8959 6 102...

Страница 79: ...Output Level 127 24 120 Input Level 127 25 121 LFO Rate 127 PITCH DELAY Param Global Patch Parameter Name Max Value 1 2 97 98 Predelay Pdlyhi 16 383 3 99 Predelay Feedback 127 4 5 100 101 Delay L DlyL...

Страница 80: ...Pan 126 21 117 Dry Pan 126 22 118 Mix 127 23 119 Output Level 127 24 120 Input Level 126 25 121 LFO Rate 127 PLATE Param Global Patch Parameter Name Max Value 1 2 97 98 Predelay Pdlyhi 8191 3 99 Prede...

Страница 81: ...lay This control is called Feedback in Pitch Delay 7 8 Delay R DlyRhi Provides coarse and fine adjustment for right channel delay 9 Pitch On Off Used to enable the pitch shifter Selecting 0 Defeat byp...

Страница 82: ...pan control for the dry output 22 MIX Adjusts the wet dry mix 23 Output Level Adjusts the output level of the signal processor 24 Input Level Adjusts the input level to the signal processor 25 LFO Ra...

Страница 83: ...am X 0 127 Note 1 Change True 1 128 System Exclusive O O Note 2 System Song Pos X X Song Sel X X Common Tune X X System Clock X O Used as Real Time Commands X X controller Aux Local ON OFF X X Message...

Страница 84: ...Lexicon LXP 15 Owner s Manual 7 14...

Страница 85: ...excess of 95 If a unit exposed to such conditions fails to operate after it returns to a normal operating temperature contact Lexicon Customer Service No output from the LXP 15 Check to see if Global...

Страница 86: ...ss instructed by Lexicon Customer Service The display will show Clear ALL RAM inits registers Press VIEW to start Press VIEW The following display will appear Are you sure V Press these to confirm V S...

Страница 87: ...will flash once and the screen should show Clear ALL RAM inits registers passed Press VIEW to start An error condition is signaled by the illumination of the red overload LED for approximately half a...

Страница 88: ...Lexicon LXP 15 Owner s Manual 8 4...

Страница 89: ...n off toggle switch analog voltage controller or 50k control pedal Signal Level Indicators Four signal level LED indicators including processed signal over load Front Panel Display Two lines of 40 alp...

Страница 90: ...1 170 114 85 177 339 169 113 85 178 337 169 112 84 179 335 168 112 84 Tempo 1 4 1 8 1 8T 1 16 60 1000 500 333 250 61 984 492 328 246 62 968 484 323 242 63 952 476 317 238 64 938 469 313 234 65 923 462...

Страница 91: ...g the sounds stored in LXP 15 User memory Setup Name 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 1 2 3 4 5 6 7 8 9 10 1...

Страница 92: ...Lexicon Inc 3 Oak Park Bedford MA 01730 USA Telephone 781 280 0200 Fax 781 280 0490 Lexicon Part 070 07831 Rev 1...

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