Lexicon MPX 100 Stereo Amplifier User Manual
Contents
1. Light Flange Medium Space Decay Flange Rate Whole Note Light Flange Room Liveness Flange Rate Whole Note Deep Flange Medium Space Decay Deep Flange Room Liveness 38 mm 1 5 Pitch Reverb VARIATIONs Minor 3rd to 4th Room 3rd to 4th Up Pitch Reverb PreDelay 1 32 Note 4th to 5th Room 4th to 5th Up PreDelay 1 32 Note 5th to 6th Room 5th to 6th Up PreDelay 1 32 Note 1 Octave Medium Space 1 octave PreDelay 1 32 Note Power Chords Medium Space Decay Time PreDelay 1 32 Note Manual Detune Room 4th to 5th Room Detuning 4th to 5th Up PreDelay 1 32 Note PreDelay 1 32 Note 5th to 6th Room 5th to 6th Up PreDelay 1 32 Note 4ths Large Space Decay Time PreDelay 1 32 Note Octaves Medium Space Decay Time PreDelay 1 32 Note Chorus Reverb VARIATIONs Rich Chorus 1 Small Space Rich Chorus 1 Medium Space Decay Time Decay Time Chorus Reverb Rich Chorus 1 Large Space Decay Time Rich Chorus 2 Small Space Decay Time Rich Chorus 2 Medium Space Decay Time Rich Chorus 2 Large Space Rich Chorus 1 Small Space Decay Time Decay Time pal ten Rich Chorus 2 Medium Space Decay Time Rich Chorus 2 Large Space Decay Time Rich Chorus 1 Large Space Decay Time 40 The Abys2. 8 Power Chords men 28 The stereo polyphonic Pitch program in the MPX 100 allows complete program ma terial or monophonic sources to be shifted down two octaves or up one octave For pitch correction use this algorithm with Mix set to fully Wet For harmonization use the desired amount of wet dry Mix BJ ore nao 10 Moderate The 4 voice stereo Detune program the MPX 100 has one pair of voices per channel As more detune amount is applied 12 FullRange with Adjust the pair grow more out of tune providing alush sound without the need fora 14 Warm amp Moderate Detuing ry signal to be mixed in All of the variations of this program 9 16 16 Slap Detuner Detuning should be used with Mix set to fully Wet to achieve the full effect 29 The MPX 100 Delay Echo variations include mono 5 5 seconds stereo 2 7 sec onds and 6 voice multitap effects Each of the 16 variations can be used for digital delay ortape echo effects When Adjust is turned past its center postion to the right tape echo effects are produced Each repeat is darker and softer When Adjust is turned to the left of center digital delay effects are produced Each repeat is the same timbre but softer In variations 1 8 Adjust also sets the amount of feedback a single repeatwhen the knob is centered more repeats as the
3. If the Clip LEDs light red at this point turn down the output of the instrument or effects send until the Clip LEDs remain off during the loudest passages a While still sending audio to the MPX 100 gradually turn up the INPUT control until the Clip LEDs show red on only the loudest peaks Set the MIX control to Dry Turn OUTPUT to the desired level Ifthe MPX 100 is using a console s sends and returns set the MIX control fully clockwise 100 wet If you are using an instrument amplifier start with MIX set halfway up The Level LEDs are off when the incoming signal is low more than 30dB below overload The Clip LEDs light red when the signal approaches over load 2 5dB Acceptable signals will cause the Level LEDs to light green almost continuously with the Clip LEDs flashing red on peaks As with any audio product it is good practice to first power on all outboard gear then the mixer then any loud speakers MIDI Two 5 pin DIN MIDI connectors are provided for MIDI IN and soft ware selectable MIDI OUT THRU POWER DIGITAL OUTPUT Use Lexicon 9VAC power pack RCA S PDIF connector Peh minbi Ciaradh le CE tite dimai di ed dec dumm dd ed Rear Panel Connections OUPUT Single ended unbalanced stereo outputs provide 8dBu typical output level Use the right output connector for mono output If no connection is made at the right output the left output can be used to drive headph
4. 2 For example when Plate Gate is se lected VARIATION 1 8 will load eight differ ent Plate programs VARIATION 9 16 will load eight different Gate programs When Special FX is selected the VARIA TION knob will load 16 different programs one at each knob position Basic Operation Use the PROGRAM knob to select the Single Dual or User effect you want FHUL FROG pu ua rr FE carl Po f Mar Ir _ LATION pir aM i E u E 1 Turn VARATION to select one of 16 programs M a 1 Dual Programs FRO GRA When one of the Dual Programs is se lected the VARIATION knob will load 16 different programs each containing two ef fects User Programs When User is selected with the PRO GRAM knob VARIATION selects 16 memory locations available for storing your own programs When shipped User variations 1 16 contain duplicates of a selection of the fac tory installed programs Editing Editing MPX 100 programs is easy We ve arranged the critical parameters of each program under the front panel Adjust knob so all you have to dois turn the knob to adjust the program to suit you You can also adjust the level of the Single programs or the Effects Balance of the Dual programs with the Effects Lvl Bal knob Changes made with either knob are rec ognized as edits and will cause the front panel Edit LED to light to alert you to the fact that the
5. A stereo Y connector allows two identical single switches to be used Power off the MPX 100 before plugging in the footswitch Otherwise Bypass will be enabled A dual function footswitch with a set of labels to identify footswitch functionality Tap and Bypass is available from Lexicon dealers Connecting to a Balanced Console E ke MP 100 Pihi gone npui Leti Cupui MEXA 00Inpul amp peaker Cabine The MPX 100 can be used as two indepen dent Effects Processors with Dual Program Variations 11 16 Designate two auxiliary sends on your console and connect one to the left MPX 100 input and the other to the right input Refer to the Program Descrip tions to take advantage of this configuration Dual Processor Setup with a Console Selecting Programs All of the programs on the MPX 100 are selected with the frontpanel PROGRAM and VARIATION knobs The PROGRAM knob selects Single or Dual program banks The VARIATION knob selects different program versions The Single selections are arranged around the left side of the PROGRAM knob the Dual selections and the User bank are arranged around the right side of the knob Single Programs When a Single program is selected turn ing the VARIATION knob to positions 1 8 will load eight versions of the first effect posi tions 9 16 will load eight versions of the second effect Dum ario Magu ser ir PEL L dmn Frm ham 7
6. repeat steps 2 5 Simultaneously press Store and Tap to exit The Store LED will flash rapidly if you have created or changed any assign ments NOTE When a MIDI controller is assigned to Bypass or Tap moving it through the mid point of its Learned range will execute a press of the front panel button Activating Bypass or Tap functions with Program Change Messages The MPX 100 recognizes MIDI Program Changes 16 127 17 128 on some MIDI devices on any channel To assign a Pro gram Change message to Bypass or Tap 1 Simultaneously press Store and Tap to enter Learn Mode The Store LED flashes slowly and the Tap LED lights steadily to indicate Learn Mode is active 2 Press the front panel button you want to control Bypass or Tap Senda MIDI Program Change to the MPX 100 The Edit LED will flash to indicate incoming MIDI activity Press Store to commit to the assignment The Store LED will flash rapidly 47 5 Simultaneously press Store and Tap to exit The Store LED will flash rapidly if you have created or changed any assign ments To aid MIDI controllers such as some foot controllers which do not allow repeated Pro gram Change messages to be sent by a single button the MPX 100 learns the next highest Program Change along with every Program Change message it learns for Bypass and or Tap For example if you Learn Program Change 20 as the source for Bypass Program Change 21
7. 100 MIDI IN jack to have the MPX 100 automatically recognize and begin to pro cess the MIDI clocks When you change tempo on the connected device the MPX 100 will follow along and adjust its delay times or rates to match the tempo This can be disabled with the MIDI Clock Receive parameter in System Mode MIDI Dumps MIDI Dumps allow you to back up the 16 User programs the currently running pro gram or your System Mode settings and Learned patch assignments to a storage device typically a sequencer MIDI Dumps are performed in System Mode To perform a dump of the User pro grams the current program or all of the System Mode parameter settings 49 Press and hold Bypass for 2 seconds The Bypass and Store LEDs will blink slowly to indicate you are in System Mode Turn VARIATION to 14 to dump the User programs 15 to dump the current program 16 to dump the System settings and Learned patch assignments Press Store to execute the dump Press Bypass to exit System Mode Lexicon MPX 100 MIDI Implementation Function Transmitted Recognized Remarks Basic Default x Learned Channel Channel x 1 16 Mode Default Mode 2 Messages X X Altered X Note X X Number True Voice Velocity Note ON x X Off 9n v 0 Note OFF X X After Keys X X used as controller Touch Channels X OX Learned Pitch Bender X OX used as controller Learned Control x OX 1 119 0 and 32 used as Bank Select
8. Change Learned 50 Program X 0 15 1 16 16 127 ignored Program message Change True 1 15 Program Change 1 16 for current Program Group Bank Select X System Lexicon Product ID 14 decimal Exclusive Real Time X X Device ID MIDI Channel non Real Time X X 0 15 1 16 System Song Pos X x Song Sel X X Common Tune X X System Clock X Real Time Commands X X Aux Local ON OFF X X Messages All Notes OFF X X Active Sense Reset X X Mode 1 OMNI ON POLY Mode 2 OMNI ON MONO Yes Mode 3 OMNI OFF POLY Mode 4 OMNI OFF MONO 51 X No OX Selectable Audio Inputs 2 Level 30dBu to 4dBu Impedance 500K unbalanced for Direct Instrument input Unit detects a mono input on the right input 1 4 connectors Audio Outputs 2 Level 8dBu typical Impedance 75Q for Headphone output Right only used for mono output Left only used for stereo headphones 1 4 connectors Digital Audio Output 20 bit Digital S PDIF output always active Sample Rate 44 1kHz Connector Coaxial RCA type Footswitch Tip Ring Sleeve phone jack for Bypass and Tap optional Frequency Response Wet Dry 20Hz 20kHz 1dB THD N 0 0596 20Hz 20kHz Dynamic Range A A gt 95dB typical 20Hz 20kHz unweighted A D gt 100dB typical 20Hz 20kHz unweighted Conversion 20 bits A D 20 bits D A 44 1kHz sample rate Crosstalk gt 45dB Specifications subject to change without notice 52 Specifications Int
9. activated by footswitch or via MIDI Storing Programs When you want to save a program press Store The Store LED will flash slowly to indicate that the MPX 100 store function is armed If you want to exit without saving the current program press Store again Turn the PROGRAM knob to User then use VARIATION to select one of the 16 User locations Press Store again to save your program to the selected location and overwrite the program previously stored there The Store LED will flash rapidly while the store opera tion is completed The store operation is complete when the LED stops flashing and turns off The Edit LED will also turn off as the current program is now your saved ver sion Press Store Turn PROGRAM to User and use VARIATION to select a User location The Store LED will flash slowly Press Store again The Store LED will flash rapidly while the store operation is completed System parameters and MIDI dumps are activated in System mode To enter this mode press and hold Bypass for approxi mately 2 seconds The Bypass and Store LEDs will blink slowly to indicate you are in System mode The adjustable parameters available in this mode are shown in the chart on the following page Turn the VARIATION knob to select a parameter Press Store to toggle the state of the parameter or to execute a MIDI dump The Edit LED will show the current state of each parameter System Mode When you hav
10. alternative to chorus and tremolo ef fects for any sound source All of the variations of this program 9 16 should be used with Mix set to fully Wet for the full effect Chorus VARIATIONs Adjust pe 7 Chorus The stereo Chorus program uses six in 8Deph _ _ dependently randomized delay voices panned across the stereo field This pro _4 RichChorus Higheut gram inherited from Lexicon s PCM 80 gen erates a rich airy effect that can simulate the sound of multiple sound sources from a single source This program is stunning on acoustic or clean electric guitar All of the variations of this program 1 8 should be used with Mix set to fully Wet to achieve the full richness of the 6 voice cho rus 26 Flange VARIATIONS ee Tap xiu Flange In the MPX 100 the stereo Flanger has Light Flange out of phase sweep two 2 tap delays one per channel The first tap is fixed and the second sweeps past it 12 Light Flange out of phase sweep LX Mixing the two delay taps together creates the flanging effect 14 Deep Flange out of phasesweep Resonance Allofthevariations ofthis program 9 16 should be used with Mix set to fully Wet to 16 Deep Flange Sweep 0 90 180 270 achieve the full flange effect 27 Pitch VARIATIONs Glide Shifter a Minor 3rd to 4th Harmon Flat 3rd to 4th Up Oe 5 Stet Harmony sheshup
11. cessing 20 bit A D D A and S PDIF digital output Poweredby a new version of Lexicon s proprietary Lexichip the MPX 100 has 240 presets with classic reverb programs such as Ambience Plate Chamber and Inverse as well as Tremolo Rotary Chorus Flange Pitch Detune 5 7 second Delay and Echo Dual channel processing gives you two in dependent effects in a variety of configura tions Dual Stereo Parallel Cascade Mono Split and Dual Mono A front panel Adjust knob allows instant manipulation of each preset s critical param eters and an Effects Lvl Bal knob lets you control effect level or the balance of dual effect combinations An easy Learn mode allows MIDI patching of front panel controls In addition tempo controlled delays and modulation rates lock to Tap or MIDI clock and Tap tempos can be controlled by audio input the front panel Tap button dual footswitch external MIDI controller or MIDI Program Change Getting Started Other features include dual 2 stage headroom indicators a headphone output a software selectable MIDI OUT THRU port pushbutton or footswitch selection of dry or muted audio output and a 20Hz 20kHz 1dB Frequency Response To make sure you get the most out of the MPX 100 be sure to read the manual Bypass Mutes or bypasses the signal depending on the Front Panel Overview setting of the System Bypass parameter Press for 2 seconds to access System Parameters Store
12. knob is moved past center in either direction Delay time is set with Tap Each variation is preset with a different useful rhythm Delay Echo In Variations 9 16 the amount of feed back is preset and Adjust determines Delay time the delay time is shortest when the knob is centered increasing as the knob is moved away from center in either direction Delay Echo VARIATIONS Adjust Tap iu Stereo Quarter Note Delay Echo Feedback 4 Dotted Eighth Note Delay Echo Feedback 6 Ping Pong Quarter Note Delay Echo Feedback Delay Time DE mw 12 MultiBounce DelayiEcho Time o 100ms _ i Mutti Inverse DelaylEcho Time 0 400ms 16 Multi Pong Delay Echo Time 0 200ms Fok 31 When using any type of delay or echo effects with music always pay attention to the way the repeats fall rhythmically to the beat The most effective delay and echo patterns are those that lock in with the tempo of the tune About the Dual Programs The MPX 100 Dual programs combine either a Delay or Reverb algorithm with a Flange a Pitch or a Chorus Effects Lvl Bal controls the relative balance of each effectin the combination Four routing configurations are used in the variations of each Dual program Dual Stereo Parallel Cascade Mono Split and Dual Mono Variations 1 6 are set up in the Parallel configuration two stereo effects placed side by side so that they receive and output stereo audio from both left
13. program has been altered Use Adjust to edit the current program Turn Effects Lvl Bal to adjust the level of a Single program The Edit LED will light to show that the program has been altered from its stored state or the balance of the two effects in a Dual program Tap Tempo Functions Varying the Rhythm The MPX 100 Tap Tempo feature al lows you to set the delay times and modula tion rates of tempo based programs to the beat of the music To set the tempo from the front panel simply press the Tap button twice in time with the music That s your tempo No more dial ing up what could be the delay time in milliseconds just tap twice the MPX 100 will figure out the time for you When you want to change tempo just tap twice again in the new rhythm he arme The Tap LED will flash whenever a tempo based preset is loaded Audio Tap You can also use audio input to set the tempo of the MPX 100 delay times 1 Press and hold the Tap button for two seconds The optional dual footswitch lets you press and hold Tap without taking your hands off your instrument 2 While holding down Tap play 2 short notes in rhythm then release the Tap button 3 The MPX 100 automatically calculates the tempo from the space between your two notes For live performances this is a must an easy way to set delay rates to follow your rhythm 10 Many factory programs are stored with
14. Initiates store procedure When pressed with Tap ac tivates MIDI Learn TAP Adjust Modifies the param eters of the current program Edit LED Lights to indicate Effects Lvl Bal program is altered Sets the level of the Single but not stored effects and the balance of the Dual effects PROGRAM determine Selects program banks Single Dual or User 12 LAN a 8 Vm x gt C o o A E LU Mg B Hexion Pal Ohare LHW E Output Sets the level of the incoming Controls the analog output level i LEDs indi ee rently selected by the PROGRAM knob 8 variations y red 8 Mix y for each Single effect and 16 variations for each Dual pping Controls the proportion of processed effect When PROGRAM is set to User selects one wet to unprocessed dry signals of 16 memory locations for user programs VARIATION Selects program variations for the effect bank cur Flashes for tempo based programs Press twice to set a tempo Hold to have input level When pressed with Store activates MIDI Setting Audio Levels 1 Start with INPUT set to 9 00 o clock and OUTPUT all the way down fully counter clockwise Set the instrument output or effects send being input to the MPX 100 to a nominal level and play or send audio to the MPX 100 The Level LEDs should light green
15. Learned patches 3 Program Load Mute Bypass This parameter determines whether the MPX 100 will engage wet mute or simply bypass processed audio during program load 4 Digital Output Dry Wet For certain recording and monitoring appli cations this parameter allows you to choose to pass only dry audio or to resume output of the full processed signal 5 MIDI OUT THRU Out Thru Sets the rear panel MIDI OUT THRU jack for either MIDI OUT or MIDI THRU functionality 6 MIDI Pgm Change Disable Enable The setting of this parameter determines whether or not the MPX 100 will recognize MIDI Program Change messages for loading programs 7 MIDI Clock Receive Disable Enable The setting of this parameter determines whether or not the MPX 100 will recognize MIDI Clock messages 8 Tempo Program Global Determines whether the current tempo of the MPX 100 will be applied to all programs Global or whether program specific tem pos are restored on each program load 14 16 MIDI Dumps These selections allow you to execute MIDI Dumps See MIDI Operation 16 The 240 programs in the MPX 100 are designed to provide a full palette of high caliber ambience reverb delay pitch shift and other effects As you audition the pro grams be sure to vary the Adjust knob The Adjust knob has been carefully cus tomized for each individual program In many cases it controls several effect parameters simultaneously to provide simple control of a comp
16. and right channels Variations 7 10 are set up in the Cas cade configuration two stereo effects one placed after the other for example Flange Delay Flange passes its stereo signal to the Delay Variations 11 14 are set up in the Mono Split configuration which is similar to Parallel however one effect Flange receives audio from the left input and the other effect Delay receives audio from the right input Both effects then output stereo audio Variations 15 and 16 are set up in the Dual Mono configuration where one effect Flange appears on the left channel only and the other effect Delay appears on the right channel only 32 Generally the Effects Lvl Balknob con trols the balance of the two effects in each dual program In the cascade variations rather than simply controlling balance the knob varies the amount of the first effect or dry signal which is fed into the second effect At center you get delayed pitch shift This setting provides pitch This setting provides delayed shift Ella Lu E Dod ang At the leftmost setting At the rightmost setting you you get only pitch shift get only delayed dry signal Behavior of Effects Lvl Bal in the cascade variations Several points from the knob s continuous range are illustrated here using the Pitch Delay program as an example 33 Flange Delay O o9 min Deep Flange Stereo Delay Delay Echo Feedback Delay Ti
17. ange 15 will load the last Gate program in the Plate Gate bank Once a bank is selected all subsequent Program Change messages will select pro grams within that bank until a new value for controller 32 is received or until the PRO GRAM or VARIATION knob is moved This function can be disabled with the MIDI Pgm Change parameter in System Mode 45 MPX 100 Program Banks 0 1 2 3 4 5 6 7 8 9 User Flange Delay Pitch Delay Chorus Delay Delay Reverb Flange Reverb Pitch Reverb Chorus Reverb Plate Gate Hall Chamber Ambience Room Tremolo Rotary Chorus Flange Pitch Detune Delay Echo Special FX Learning Continuous Controllers The MPX 100 recognizes Pitch Bend AfterTouch and MIDI Continuous Controllers 1 31 and 33 119 To Learn a Continuous Controller 1 Simultaneously press Store and Tap to enter Learn Mode The Store LED flashes slowly and the Tap LED lights steadily to indicate Learn Mode is active Move one of the MPX 100 front panel controls Mix Effects Lvl Bal Adjust Bypass or Tap to assign it to the control ler Move the MIDI controller through its full range To use only a fraction of the controller s range limit your movementto the desired range The Edit LED will flash to indicate incom ing MIDI activity 46 6 Press Store to committo the assignment The Store LED will flash rapidly To assign another front panel control toa MIDI controller
18. e finished editing param eters and are ready to resume normal opera tion return the VARIATION knob to its prior setting or you willload anew program based on its position when you exit System Mode The Tap LED will light when VARIATION matches its prior setting To exit System Mode Press Bypass If you have changed any System parameters the Store LED will flash rapidly a a Bypass System Mode Parameters The Bypass and Store Variation State when Edit LED is LEDs will blink slowly to Setting Parameter On Off indicate you are in Bypass Mute Bypass System mode Patching Disabled Enabled Program Load Mute Bypass Digital Output Dry Wet Press Store to MIDI OUT THRU Out Thru toggle the MIDI Pgm Change Disabled Enabled parameter state MIDI Clock Receive Disabled Enabled or to execute a Tempo Program Global MIDI dump MIDI Dumps Press Store to Transmit Dump User Programs Dump Current Program Dump System and Learned patches Factory Default Turn VARIATION until the Tap LED goes on to find the last loaded program then press parameters Bypass to exit System Mode System Mode Parameters 1 Bypass Mute Bypass This parameter sets the Bypass button or the footswitch or MIDI controller assigned to Bypass to mute the inputs or to bypass the processed audio passing only dry audio to the outputs 2 Patching Disable Enable This parameter allows you to temporarily suspend Disable and restore Enable any
19. ernal Audio Data Path DSP 24 bit Power Requirements 9VAC wall transformer provided Dimensions 19 W x 1 75 H x 4 D 483 x 45 x 102mm Weight Unit 2 Ibs 2 oz 0 959kg Environment Operating Temperature 32 to 104 0 to 40 C Relative Humidity 95 non condensing
20. h the low t voce tenes own tera eh on a wide range of material It is especially useful on spoken voice giving a noticeable increase in loudness with very low color 21 Ambience VARIATIONs Ea Very Small Ambience High Cut EE 4 Medium Ambience High Cut Dx 6 Bright Ambience Decay Level _ Marble Foyer 22 Ambience The Ambience program simulates reflec tions from room surfaces with random reflec tions a gradual decay of overall level anda gradual narrowing of the bandwidth The variations 1 8 provide a series of rooms in increasing sizes BB ten nano The Room program is very useful on B Tiled Room LowFrequencyCut drums and percussion and can also be ap plied to electric guitar tracks 12 Small Room Liveness ox The variations 9 16 provide a series of rooms in increasing sizes 14 Rehearsal Room High Low Equalizer wer 16 LargeRoom High LowEquatizer 23 Square Wave JU L Rate 0 4 15Hz 4 Rectified Sine Wave 1 Yr Sweep 0 90 180 270 Rate 1 8 Note LI LI U 6 Sawtooth Wave 1 Sweep 0 90 180 270 Rate 1 8 Note INN 8 SineWave 1 Sweep 0 90 180 270 Rate 1 8 Note Tremolo VARIATIONs Zh p 24 The MPX 100 tremolo variations offer a variety of tremolo shapes square sawtooth triangle sine and rectified sine The syn chronization of the left and r
21. hancing popular music particularly per 18 In the MPX 100 the Gate program pro 10 DrumGate Duration vides a fairly constant sound with no decay until the reverb is cut off abruptly This pro 12 140 ms Gate HighCut Predelay 1 32 Note gram works well on percussion particu larly on snare and toms but be sure to 14 340 ms Gate _ HighCut Predelay 1 32 Note experimentwith other sound sources as well 16 540 ms Gate HighCut Predelay 1 32 Note Note that audio is muted briefly when Duration is altered with Adjust 19 fe Hall VARIATIONS Adjust Q Hall The clean reverberation of the Hall pro 2 SmalChuch Decay gramisdesignedto add spaciousness while leaving the source material unchanged In E mn G applications the Hall program is a good ES choice for giving separately recorded tracks MedumHal Dey__ the sense of belonging to the same perfor mance 8 LargeChurh Decay 20 BA Chamber VARIATIONs Adjust vou cnamber In the MPX 100 the stereo Chamber t Basement Lieness programproducesan even relatively dimen sionless reverberation with little change in Piz Perussiont Liens color as the sound decays The initial diffu sion is similar to the Hall program but the Live chamber M i r L G and size is much less abv ous This characteristic along wit
22. ight sides can be adjusted to produce mono and stereo ef fects As the tremolo rates of several varia tions are set with Tap it s easy to match the tempo of the music Other variations let you set left and right channel waveforms out of phase resulting in a panning motion All of the variations of this program 1 8 should be used with Mix set to fully Wet By adding more dry to the wet dry mix Mix effectively sets the depth of the Tremolo Astremolo is essentially a rhythmic effect care should be taken to make the rate work with the tempo of the music j Rotary VARIATIONs Adjust Q Tap pe m Slow Fast Width 12 Slow Rota 2 J 14 Tap Rotary Balance Rate Quarter Note 16 Tap Rotary Rate Quarter Note 25 The MPX 100 rotary effect is a detailed simulation of a Leslie style cabinet The in put 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 de signed with acceleration and deceleration characteristics to simulate the inertia of the original mechanical elements A virtual requirement for any organ sound the rotary effect also sounds great with guitar and electric piano rhythm parts In fact it s a great
23. learns the MIDI Channel of the transmitting device and re assigns the Program Load function to that chan nel 4 Simultaneously press Store and Tap to exit This Program Load channel assignment is remembered until it is deliberately re set with the same procedure Using Program Change Messages for Program Load The MPX 100 will allow loading of all of its 240 preset and 16 User programs via stan dard MIDI Program Change messages It also conforms to the use of MIDI controller 32 to perform Bank Select starting with the User bank as the first bank For the pur poses of this discussion each setting of the MPX 100 PROGRAM knob selects a bank of 16 programs The MPX 100 banks are ordered numerically from 0 15 Here s how it works If a standard MIDI Program Change is sent to the MPX 100 on its Program Load MIDI Channel Program Change messages 0 15 will load programs 1 16 from the current Program Bank If a Bank Select message controller 32 precedes a Program Change message any one of the 256 programs can be loaded For example Program Change 1 with PROGRAM pointing to Plate Gate will cause the first Plate program to be loaded Sending controller 32 with a value of 0 followed by Program Change 1 loads the first program of the User bank Sending controller 32 with a value of 1 then Program Change 2 loads the second program in the Flange Delay bank Sending controller 32 with a value of 8 then program ch
24. lers in front panel Mix Effects Lvl Bal Adjust served for executing program loads on any its Learn Mode Bypass and Tap controls on as many as learned MIDI Channel or a separate MIDI five MIDI Channels are supported Channel can be selected for program load Any of to Con ee JE _ PORAH w LR Ingut x db b ty uri orenian en Ley d mei A mu end Program Change messages can also be used to load programs Assigning a MIDI Channel for Program Load In order to use Program Change mes sages for Program loads as well as to control front panel buttons the MPX 100 is de signed to have one MIDI channel dedicated to loading programs This is called the Pro gram Load MIDI Channel Although this channel can be used to receive other Program Change messages numbers 0 15 will always load the 16 varia tions of the currently loaded program Pro gram Change messages 0 15 willbe ignored on all other MIDI Channels When shipped from the factory the MPX 100 has MIDI Channel 1 assigned as the default Program Load channel To re define the Program Load assignment 1 Simultaneously press Store and Tap to enter Learn Mode The Store LED flashes slowly and the Tap LED lights steadily to indicate Learn Mode is active 44 2 Send a Program Change message to the MPX 100 The Edit LED will flash to show incoming MIDI activity 3 The MPX 100
25. lexicon 1 ea IUE Dual Channel Processor Stereo 44 1kHz S PDIF Digital Output U r ser Guide Unpacking and Inspection After unpacking the unit save all packing materials in case you ever need to re ship Thoroughly inspect the unit and packing materials for signs of damage Report any shipment damage to the carrier at once report eguipment malfunction to your dealer Notice This eguipment generates and uses radio freguency 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 B 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 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 If necessary the user should co
26. licated editing process In many Cham ber and Room programs for example Ad just controls the liveness of the space by changing decay EO and early reflections all at the same time Program Descriptions The behavior of the Adjust knob is also customized for different functions Some times it acts as a linear control at its mini mum value when turned fully counterclock wise like a volume control and sometimes it acts as a bi polar control at its minimum value when centered like a cut boost EQ control Adjust can increase values linearly or it may increase values as it is turned to either side of its center position Win 17 The following section provides a general description of each MPX 100 program along with tables that detail all of the program versions available with the VARIATIONS knob These details include the function of the Adjust knob and the Tap button for variations that use tempo controlled rate or delay times Plate VARIATIONS Adjust Plate i The Plate program in the MPX 100 syn thesizes the sound of metal plates with high initial diffusion and a relatively bright colored 4 Larger Plate Predelay 1 32 Note sound This program is designed to be heard as part of the music mellowing and thicken Rich Plate Predelay 1 32 Note ing the initial sound It is a popular choice for 8 Vocal Plate Low Cut Decay Time Echo J cussion Medium Plate Liveness en
27. me 1 4 Note Deep Flange Stereo Delay Delay Echo Feedback Dotted 1 8 Note Deep Flange Stereo Delay Delay Echo Feedback 1 8 Note Triplet Light Flange Ping Pong Delay Echo Feedback Delay Time 1 4 Note Light Flange Repeat Delay Echo Time 0 150ms Feedback 6 Light Flange Bounce Delay Echo Time 0 200ms Feedback Light Flange Stereo Delay Delay Echo Feedback Delay Time 1 4 Note Ligth Flange Ping Pong Delay Echo Feedback Delay Time 1 4 Note Light Flange Repeat Delay Echo Time 0 150ms Feedback Light Flange Bounce Delay Echo Time 0 200ms Feedback Pitch Delay En Pitch Delay VARIATIONs Tap g 5th Up Down Stereo Quarter Note Delay Time Octave Up Down Triplet Shuffle 1 octave Delay Time Octave Up Down Eighth and Triplet 1 octave Delay Time 3rd Up 4th Up Ping Pong Guarter Note Minor 3rd to 4th Up Delay Time 4th Up 5th Up Triplet Rhythm 1 4th to 5th Up Delay Time 5th Up 6th Up Triplet Rhythm 2 5th to 6th Up Delay Time 5th Up Down Stereo Guarter Note 5th Delay Time Octave Up Down Triplet Shuffle 1 octave Delay Time 4th Up 5th Up Triplet Rhythm 1 4th to 5th Up Delay Time 5th Up 6th Up Triplet Rhythm 2 5th to 6th Up Delay Time Rich Chorus 1 Stereo 1 4 Note Delay Echo Feedback Chorus Delay Delay Time Rich Chorus 1 Dotted 1 8 Note Delay Echo Feedback Delay Time Rich Chorus 1 1 8 No
28. ns Varying the rhythm Audio Tap Setting Tempo via MIDI BVDaSS Han e cero t mn len e pre a nds Storing Programs 2 ee nn System Mode eerie nu System Mode Parameters Bypass Patching Program Load Digital Output MIDI OUT THRU MIDI Pgm Change MIDI Clock Receive Tempo MIDI Dumps Table of Contents Program Descriptions unssnsessnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnennnnnnn 17 Single Programs ceret et 18 Dual Programs ic nee ee kr ne 32 Special EX 1 53 TT eroe AE 41 User Programs 2r es 42 Restoring Factory Defaults MIDI Operation nasse eser eee en esent nuntia anu an nana 43 MPX 100 MIDI Behavior 43 Assigning a MIDI Channel for Program Load 44 Using Program Change Messages for Program Load Learning Continuous 46 Activating Bypass or Tap Functions with Program Change MesSag6S iore TE AR 47 Clearing a Learned 48 MIDI Clock MIDI Dumps MIDI Implementation Chart eseeeeeeene 50 EOS mM 52 Introduction Thank you for your purchase of the MPX 100 Dual Channel Processor The MPX 100 is a true stereo dual channel processor with 24 bit internal pro
29. nsult 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 How to identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 Le pr sent appareil num rique n met pas de bruits radio lectrigues d passant les limites applicables aux appareils num riques de la class B prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada Acknowledgement All product names indicated by a Trade Mark are registered by their respective manufacturers Lexicon Inc 3 Oak Park Bedford MA 01730 USA Copyright 1998 Lexicon Inc Telephone 781 280 0300 All Rights Reserved Fax 781 280 0490 Lexicon Part 070 11935 Getting Started diee eene ee FURRY iso RT Note tomi Front Panel Overview eeeseeeeeennnenneennnennn Setting Audio Levels Rear Panel Connections Audio Connections Headphones Footswitch Basic OperaliOn odiosa ei Fn nud IE Yea caet aeneo DDAA Selecting 1 en Single Programs Dual Programs User Programs TH RR HR EF RF HEFY Tap Tempo Functio
30. ones at modest volume FOOTSWITCH see _ rr INPUT 1 4 TRS connector for momentary con tact footswitch allows footswitch control of front panel Tap and Bypass functions Single ended unbalanced inputs accept levels as low as 30dBu Input impedance is 500 kO Use the right input for mono sources Can be used as direct input for guitar Audio Connections Audio connections to the MPX 100 are unbalanced and should be made with high guality shielded cables with 1 4 tip sleeve phone plugs at the MPX 100 end The MPX 100 produces effects from either mono or stereo sources With mono sources the dry signal appears along with audio ef fects at both outputs For instruments and sources with stereo outputs use both inputs We recommend using the outputs in stereo whenever stereo inputs are used butif mono output is reguired use the right output jack The left and right signals are summed inter nally when only the right output is used Headphones A stereo signal which is adequate to drive headphones is available at the left output provided no connections are made through the right output This feature is provided as a convenience for practice purposes and is intended to provide only modest volume Footswitch A footswitch connected via the rear panel footswitch jack allows control of Tap and Bypass A momentary footswitch can be wired to atip ring sleeve connector
31. s Pitch Bend 4 Chorus Verb HighCut _ 6 Fader Verb Input Volume LowRumble Decay Time J HE ELS E 12 subdividing Delay Beat Value 1 32 Whole Note Delay Time 14 Dream Sequence Snitt amount f O se Dmuor 41 Special FX The Special FX variations showcase the flexibility and creative possibilities of the MPX 100 Adjust is completely different in each of the Variations so be sure to experi ment with all of them When shipped from the factory the six teen MPX 100 User locations contain dupli cates of the following programs User VARIATION Plate 2 Gate 9 Hall 5 Hall 6 Chamber 13 Ambience 3 Room 14 Tremolo 1 Rotary 9 Rotary 15 Chorus 3 Flange 12 Pitch 1 Detune 12 Delay Echo 8 Delay Echo 12 Reinitialization Reinitializing the MPX 100 will reset all of the System Mode parameters to their factory defaults replace any programs stored in the User bank with the factory loaded preset copies and clear any Learned patches To do this 1 Hold the Store button while powering up the MPX 100 Store and Tap will flash rapidly Press Tap or Bypass to exit without reinitializing 2 Press Store to reinitialize the MPX 100 42 User Programs MIDI Operation MPX 100 MIDI Behavior The MPX 100 learns MIDI Channel Pro As many as five Learn patches for the Program Change messages 0 15 are re gram Change and Continuous Control
32. te and Triplet Rich Chorus 1 Ping Pong 1 4 Note Delay Echo Feedback Delay Echo Feedback Delay Time Delay Time Rich Chorus 1 Multi Repeat Delay Echo Time 0 150ms Feedback Rich Chorus 1 Multi Pong Rich Chorus 1 Stereo 1 4 Note Delay Echo Time 0 200ms Feedback Delay Echo Feedback Delay Time Rich Chorus 1 Ping Pong 1 4 Note Delay Echo Feedback Delay Time Rich Chorus 1 Crossfeed Delay Echo Time 0 150ms Feedback Rich Chorus 1 Multi Pong Delay Echo Time 0 200ms Feedback 36 mm aper EPUM L E Chorus al e Delay Reverb Stereo 1 4 Note Small Space Decay Time Delay Time Triplet Shuffle Medium Space Decay Time Delay Time O 1 8 Note and Triplet Large Space Decay Time Delay Time Ping Pong 1 4 Note Small Space Decay Time Delay Time Triplet Rhythm 1 Medium Space Decay Time Delay Time Triplet Rhythm 2 Large Space Decay Time Delay Time Stereo 1 4 Note Medium Space Decay Time Delay Time Ping Pong 1 4 Note Large Space Decay Time Delay Time Triplet Rhythm 1 Medium Space Decay Time Delay Time Triplet Rhythm 2 Small Space Decay Time Delay Time Flange Reverb a Light Flange Small Space Flange Rate Whole Note Light Flange Medium Space Flange Rate Whole Note Light Flange Large Space Flange Rate Whole Note Deep Flange Small Space Deep Flange Medium Space Deep Flange Large Space
33. their own tempo rate You can tap in a new tempo and store your version in a User location or setthe MPX 100 to always recall the last tempo used and apply it to every program See System Mode When you select Global Tempo from the MPX 100 System mode the last tempo tapped in will be applied to all programs with tempo controlled parameters You will know if a program is tempo controllable because the Tap button LED will flash when the pro gram is loaded Setting Tempo via MIDI When usedin conjunction with the Learn feature Tap can be set remotely from any MIDI device MIDI controllers such as Lexicon s MPX R1 Foot Controller can be used to send Continuous Controller mes sages or Program Changes to the MPX 100 or you can send Continuous Controller or Program Change messages from the button and fader moves of many mixing consoles The MPX 100 will Learn these messages and allow you to set tempo via MIDI The MPX 100 can also receive and utilize MIDI Clock So when used with a MIDI seguencer or drum machine the MPX 100 automatically adjusts its internal tempo to match See MIDI Operation 11 Bypass Pressing the front panel Bypass button will cause the MPX 100 to pass only dry unprocessed audio or to mute the inputs to the current effect Bypass can be set to mute or bypass effects A System Mode parameter determines which of these two options is in effect See System Mode Bypass functions can also be
34. will also control Bypass functions To avoid conflicting Bypass and Tap assignments leave a space between the two buttons assignments i e if you learn Program Change 20 for By pass remember that 21 will also be learned so you will have to jump to Program Change 22 and 23 for Tap Clearing a Learned Assignment 1 Simultaneously press Store and Tap to enter Learn Mode The Store LED flashes slowly and the Tap LED lights steadily to indicate Learn Mode is active Move the front panel control that you want to clear Mix Effects Lvl Bal Ad just Bypass or Tap Press Store to clear the assignment The Store LED will flash rapidly To clear another front panel assignment repeat steps 2 and 3 Simultaneously press Store and Tap to exit The Store LED will flash rapidly if you have changed any assignments 48 Learnable Front Panel controls and Assignable MIDI Sources MIDI MIDI Front Panel Controllers Pgm Change Control 1 31 33 119 16 127 Mix Yes No Effects Lvl Bal Yes No Adjust Yes No Bypass Yes Yes Tap Yes Yes Program Change numbers 0 15 will be ignored except on the MIDI Channel assigned for pro gram load MIDI Clock The MPX 100 recognizes MIDI Clock mes sages and applies the tempo 40 400 BPM to any program which utilizes the Tap tempo feature Connect a MIDI device which out puts MIDI Clock such as the MPX R1 foot controller or a MIDI sequencer to the MPX
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