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Telex Communications XL4 Operator's Manual

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XL4
OPERATORS MANUAL
Telex Communications (UK) Ltd,
Klark Teknik Building,
Walter Nash Road,
Kidderminster.
Worcestershire.
DY11 7HJ.
England.
Tel:+44 1562 741515
Fax:+44 1562 745371
Website: www.midasconsoles.com
MIDAS XL4 audio mixing console
DOC02-XL4 Issue 1.0 - February 2005
©
Telex Communciations (UK) Ltd.
In line with the company's policy of continual improvement, specifications and function may be
subject to change without notice. This Operators Manual was correct at the time of writing. E&OE.

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  • Page 1 Tel:+44 1562 741515 Fax:+44 1562 745371 Website: www.midasconsoles.com MIDAS XL4 audio mixing console DOC02-XL4 Issue 1.0 - February 2005 © Telex Communciations (UK) Ltd. In line with the company’s policy of continual improvement, specifications and function may be subject to change without notice. This Operators Manual was correct at the time of writing. E&OE.

  • Page 3: Table Of Contents

    MIDAS XL4 LIVE PERFORMANCE CONSOLE Contents Introduction Features Overview and Statistics Technical Specification Block Diagrams Rear Panel Midas XL402 Input Pod Midas XL401 Input Module Midas XL405 Stereo Input Pod Midas XL404 Stereo Input Module Midas XL403 Input VCA Fader...
  • Page 5 Introduction to the XL4 The XL4 was born out of a dream to design an analogue state of the art live mixing and recording console with unparalleled performance/features intrinsic with intuitive layout and operation. The vision required the analogue sound path to be controlled in...
  • Page 6 20 x 8 Input Pots Aux Send Masters 16 mic/line Masters & Comms Matrix level returns Modules 24 Input 16 Audio Sub Groups Channels 24 Input channels each with 10 VCA sub groups Automation package capable of direct output, 4band parametric on moving faders memorising:audio, VCA, e/q, 16 mono aux (post panpot)

  • Page 7: Midas Xl4

    Midas XL4 Features 48 Mic Inputs. The XL4 features a new mic amplifier which further improves on the XL3 design giving increased gain range and lower distortion whilst retaining the XL3's constant HF bandwidth topology which assures excellent amplifiers stability, RF rejection and noise performance at all gains.
  • Page 8 Group aux inputs. An additional 16 inputs with treble and bass equalisation can be routed directly to the groups or via a pan to the masters mix and can be further controlled by assignment to any of the 10 VCA masters. Master.
  • Page 9 XL4 Specification Overview and Statistics. 1. The XL4 is a 45 buss console with an additional 18 X 8 output matrix. The busses are as follows:- 16 mono aux 16 audio sub groups = 4 stereo aux 1 stereo master...
  • Page 10 48input channel mute switches 16audio sub group mute switches 16aux line return mute switches 8matrix mute switches 3master mute switches 9. The XL4 has a total of 77 peak program meters with 20 LED segments each and monitoring 282 signal points w...
  • Page 11 XL4 Technical Specification. Input Impedance 2K Balanced Line 20K Balanced Input Gain Continuously variable from ( all faders at 0dB ) + 15dB to + 70dB Mic + Pad Continuously variable from - 5dB to + 50dB Channel Continuously variable from...
  • Page 12 Distortion at 1KHz Mic to Mix ( + 60dB gain, 0dBu output ) < 0.03% Line to Mix ( 0dBu ) < 0.03% Crosstalk at 1 KHz Channel to Channel < - 100dB Mix to Mix < - 90dB Channel to Mix <...
  • Page 13 Equaliser Low pass slope 12dB / Oct. Low pass frequency Continuously variable -3dB point from 1K to 40K Hi pass slope 12dB / Oct. Hi pass frequency Continuously variable 3dB point from 10Hz to 400Hz Treble Gain Continuously variable + 15 dB to - 15 dB Centre detent = 0dB Treble Shelving Freq.
  • Page 15 XL4 INPUT BLOCK DIAGRAM pre fade XL401 INPUT MODULE pre ins. & eq. BLOCK DIAGRAM DIRECT OUTPUT AUXILIARY TO POD SEND 1 OF 16 aux 1 direct o/p insert INPUT FROM POD INSERT POINT SEND RETURN STEREO AUXILIARY TEST SEND...

  • Page 16: Block Diagrams

    XL4 MATRIX MODULE BLOCK DIAGRAM STEREO AUX LEFT STEREO AUXILIARY SECTION STEREO AUX INJECT LEFT stereo OUTPUT STEREO AUX BUS LEFT METER POST LEFT MUTE METER POST RIGHT STEREO AUX RIGHT NOISE REF BUS master OUTPUT TALK TO AUX STEREO AUX...
  • Page 17 XL4 MASTERS MODULE BLOCK DIAGRAM...
  • Page 20 Typical Remote Patch Bay Option Panels INPUTS INPUTS INPUTS INPUTS INPUTS INPUTS 41 - 48 33 - 40 25 - 32 17 - 24 9 - 16 1 - 8 GROUPS MASTERS MATRIX GROUPS 1 - 8 LINKS 1 - 8 9 - 16 Edac Mono Inputs Panel INPUTS...

  • Page 23: Midas Xl402 Input Pod

    MIDAS MIDAS XL402 Input Pod line lo-pass XL402 hi-pass FUNCTION: To control microphone and line input levels with phantom and phase reverse facility plus incorporating high and low pass filters.
  • Page 24 The PAD switch gives 20dB of attenuation to the mic signal and will allow the MIDAS connection of high output microphones or line level The MIC control gives signals. If the mic amp is continuous adjustment of the transformer coupled ( option ) mic amp gain from + 15dB to + the pad greatly reduces the 70dB.

  • Page 25: Midas Xl401 Input Module

    MIDAS XL401 input pre ins. & eq. pre fade direct o/p width treble bell freq width hi-mid freq width lo-mid insert freq width bass bell freq aux 1 aux 2 aux 3 MIDAS XL401 aux 4 aux 5 Input Module aux 6 aux 7 aux 8...

  • Page 26: Direct O/P

    The PRE INS & EQ switch re The DIRECT output control configures the direct output to gives continuous adjustment of derive signal from the input MIDAS XL401 the direct output level from + channel pre insert and 10dB to off. The output is derived from the input channel input The PRE FADE switch re...
  • Page 27 The mono AUX controls ( 1 to 16 ) give continuous adjustment The mono aux ON switches of the level sent from the input (1 to 16) connect signals from channel to the aux busses. The the input channel to the mono aux 1 level adjustment is from + 6dB aux busses and are under...

  • Page 28: Aux10

    The ST AUX controls (1 to 8) The stereo aux ON switches give continuous adjustment of (1-4) connect signals from the the level sent from the input input channel to the stereo aux channel (post pan) to the stereo busses and are under aux busses.

  • Page 29: Midas Xl405 Stereo Input Pod

    MIDAS +18+ MIDAS XL405 +15+ +12+ Stereo Input -25- left balance right XL405 hi-pass...
  • Page 30 The PAD switch gives 25dB of attenuation to the mic signals and will allow the connection of high output microphones or line signals. If the mic amps are transformer coupled MIDAS (option) the pad greatly The MIC control gives reduces the risk of saturation at continuous adjustment of left very low frequencies.

  • Page 31: Midas Xl404 Stereo Input Module

    MIDAS XL404 stereo input treble freq freq width freq width bass freq aux 1 aux 2 MIDAS XL404 aux 3 aux 4 aux 5 Stereo Input aux 6 aux 7 Module aux 8 aux 9 aux10 aux11 aux12 aux13 aux14 aux15 aux16 st aux 1&2...
  • Page 32 MIDAS XL404 stereo input The TREBLE control gives continuous adjustment of left and right shelving filters boost treble and cut from +15dB to -15dB with a 0dB centre detent. The treble FREQ control gives continuous freq adjustment of the frequency range that the treble equalisers act on from 2K to 20K.
  • Page 33 The mono aux ON switches connect signals from the input channel to the mono aux busses and are under The mono AUX controls (1 to automation control. aux 1 16) give continuous adjustment of the level sent from the input channel to the aux busses.
  • Page 34 The stereo aux ON switches connect signals from the input channel to the stereo aux busses and are under The ST AUX controls (1 to 8) automation control. st aux 1&2 give continuous adjustment of the level sent from the input channel (post pan) to the stereo aux busses.

  • Page 35: Midas Xl403 Input Vca Fader

    MIDAS XL403 Input VCA Fader isolate isolate isolate isolate isolate isolate isolate isolate solo solo solo solo solo solo solo solo safe safe safe safe safe safe safe safe 1&2 1&2 1&2 1&2 1&2 1&2 1&2 1&2 3&4 3&4 3&4 3&4 3&4 3&4...
  • Page 36 The ISOLATE switch The SOLO switch sends the disconnects the input channel input channel signal to the PFL from automation scene recall. mono and AFL stereo busses. If Scene storage is still active. the switch is pressed for a short isolate time it will latch on or off, but, if it is held on for more than 1...

  • Page 37: Midas Xl414 Group Module

    MIDAS XL414 aux sends MUTE MUTE SOLO SOLO fader fader treble bass gain gain MUTE MUTE MIDAS XL414 SOLO SOLO grand master vca's Group Module SAFE SAFE TALK TALK mute mute solo solo group MIDAS XL414...

  • Page 38: Aux Sends

    AUX SENDS The aux send SOLO switches send mono aux bus signals to the PFL and AFL busses. If a MIDAS XL414 switch is pressed for a short time it will latch on or off, but if it is held on for more than 1 The AUX SEND controls give second the latching is continuous adjustment of the...
  • Page 39 MIC/LINE RETURNS The TREBLE controls give continuous adjustment of boost The BASS Controls give and cut from +15dB to -15dB continuous adjustment of with a 0dB centre detent. The boost and cut from +15dB to - frequency is fixed at 10KHz. 15dB with a 0dB centre detent.
  • Page 40 The TALK switches connect the TALK TALK The INS switches connect the audio sub groups to the group insert return signals to COMMS module. When the the audio sub groups. TALK TO GROUPS switch on the COMMS module is The ST switches connect the activated it is then able to route post fader audio sub group its oscillator, pink noise,...

  • Page 41: Midas Xl412 Group Pod

    MIDAS XL412 Group Pod group sends group sends group sends group sends group sends group sends group sends group sends returns returns returns returns returns returns returns returns +21+ +21+ +21+ +21+ +21+ +21+ +21+ +21+ +18+ +18+ +18+ +18+ +18+ +18+ +18+...
  • Page 42 The AUX switch changes the The RETURN switch changes group sends function of the left and right the function of the left and right meters so that they monitor meters so that they monitor the the aux send outputs in place post fader line return signals.

  • Page 43: Midas Xl413 Grand Master Avca Fader

    MIDAS XL413 Grand Master A VCA Fader solo solo solo solo solo solo solo solo solo solo solo solo mute mute mute mute mute mute mute mute mute mute mute mute MIDAS XL413 FUNCTION: Moving fader control of 10 VCA sub groups and 2 grand masters with facility to meter and solo listen.
  • Page 44 The ISOlate switches The vca SOLO switches are disconnect the vca sub group used to monitor VCA sub faders and mutes from groups by creating a automation screen recall. corresponding AUDIO sub Screen storage is still active. group on the stereo AFL busses. All input channels and line returns that are assigned to a specific vca sub group will be...
  • Page 45 The ISOlate A and B switches disconnect the grand master vca A and B sub group faders and mutes from automation The grand master A and B vca screen recall. Screen storage SOLO switches are used to is still active. monitor the grand master A and B VCA sub groups by creating The vca MUTE A and B...

  • Page 47: Midas Xl421 Master Module

    MIDAS XL421 record 2 mute record 1 mute mute all solo in place mute SOLO MIDAS XL421 Master Module mono output aux i/p mutes matrix send pre left right balance mute mute solo solo masters MIDAS XL421...

  • Page 48: Solo In Place

    MIDAS XL421 The RECORD controls ( 1 and 2 ) give continuous adjustment of the stereo record outputs The record METERS monitor from + 10dB to off. The record the peak signal level of the signals are derived from the pre left and right record outputs insert master left and right (which ever is the highest ).
  • Page 49 The mono INS switch connects the mono insert return signal to the mono mix. The VCA switch connects the The mono MUTE switch mutes mono vca fader to the stereo the mono output but not the master fader so that the mono mono insert send.
  • Page 50 MATRIX SEND PRE. Feeds matrix to the matrix modules from the send pre stereo busses are post fader as a default. When the MATRIX left SEND PRE is active, the feed The BALANCE (pan) control changes to pre fader and pre right gives continuous and insert.

  • Page 51: Midas Xl422 Master Pod

    MIDAS XL422 Master Pod solo change over change over change over change over +21+ +21+ +21+ +21+ +21+ +21+ +18+ +18+ +18+ +18+ +18+ +18+ +15+ +15+ +15+ +15+ +15+ +15+ +12+ +12+ +12+ +12+ +12+ +12+ -12- -12- -12- -12- -12- -12-...
  • Page 52 Master Stereo Bus Metering +21+ +18+ +15+ The METERS monitor the +12+ peak signal levels of the stereo master left and right outputs. When the GLOBAL METER CHANGE OVER switch on the COMMS module is activated the meters monitor the master left and right bus amplifiers.
  • Page 53 Solo, PFL and Local Metering solo +21+ +18+ +15+ The meters monitor the peak +12+ signal level of the stereo AFL left and right solo busses or the PFL and local output level. The change over is automatic as part of the PFL Monitor switch on the COMMS module.
  • Page 54 Matrix and Stereo Master Aux Send Metering The CHANGE OVER switches change the function of the left and right meters so that they change over monitor the stereo aux send outputs in place of the matrix outputs. +21+ +18+ +15+ +12+ -12- -15-...

  • Page 55: Midas Xl431 Communications Module

    MIDAS XL431 call external freq PINK level to auxes TALK to groups TALK to matrix TALK to mono TALK TALK to left to right TALK LINK comms talk mic talk level talk MIDAS XL431 Communications Module add mode SOLO global metering monitor local output...
  • Page 56 The CALL switch and indicator has two functions:- MIDAS XL431 i. It illuminates when an incoming "clearcom" call is expected. ii. It fires a DC pulse when pressed to signal "clearcom" call devices (by illuminating their The OSC switch connects the call lamps) that an outgoing call oscillator to the talk system.
  • Page 57 The AUTO MUTE GROUP MASTER switches ( 1 to 8 ) activate the mute circuits on any appropriately mute group assigned input channel or audio group. The SOLO ADD MODE switch allows multiple channel access to the solo The GLOBAL METER busses.
  • Page 58 The FADER CHANGE local output fader OVER switch swaps the local output level control and mute The local output LEVEL with the headphone fader and control gives continuous mute. MUTE adjustment of the local output The local output MUTE level switch mutes the local The HEADPHONE MUTE switch mutes the headphone...

  • Page 60: Midas Xl441 Matrix Module

    MIDAS XL441 stereo MUTE SOLO master mix 1 mix 2 mix 3 mix 4 mix 5 mix 6 mix 7 mix 8 mix 9 mix 10 mix 11 MIDAS XL441 mix 12 mix 13 Matrix Module mix 14 mix 15 mix 16 global pre masters left...
  • Page 61 MIDAS XL441 The STEREO AUX MASTER control gives continuous The stereo aux MUTE switch stereo adjustment of the stereo aux mutes the stereo aux outputs. MUTE output level from + 10dB to off. SOLO The stereo aux SOLO switch sends stereo aux signals to the master The MTX switch sends the pre PFL mono and AFL stereo...
  • Page 62 The MASTER LEFT controls The MASTER RIGHT controls give continuous adjustment of give continuous adjustment of master left signals that are master right signals that are sent sent to the matrix mixes. The masters left to the matrix mixes. The adjustment is from + 6dB to adjustment is from + 6dB to off.

  • Page 63: Automation Control

    MIDAS XL443 Automation Control group assignment mode audio mute safe automation system out board electronics scene name internal scene number memory alt. scenes main point hours mins secs frames external time code program memory store system last next recall VCA, Audio and Automute Group Assign 1.
  • Page 65 MIDAS XL4 Automation system System operation while every effort has been made to ensure it is accurate, there may be changes dependent on the software version. This has been writen for Version 25.A Should you find an error, or you find a section ambiguous, please let MIDAS know so that we may...
  • Page 66 Midas XL4 Automation system Information about this manual In this document the following colours have been used to aid the text: Descriptions of what can be seen on the Alpha-numeric displays are in green, such as ‘OVERSTORE’. When a button is referred to, its name is in blue, such as ‘STORE’.
  • Page 67 Midas XL4 Automation system Contents Introduction. Automation system overview. The Central control unit. Operating the system. Input fader mode control. System Start Up Unlock The Automation System Scene Storage Scene Recall System menu Unlock Lock Chmidiout Chmidin Automidi RSLink Faders...
  • Page 68 Midas XL4 Automation system Contents Cont. Memory menu. Toggle Internal. External. Copy all. Clear all. Alternate Buttons Using the system - general hints and tips. Page 4...

  • Page 69: Introduction

    Each input channel has its own microprocessor, the VCA master section has one and the final microprocessor is in the central control section. All the microprocessors are located in the fader bay of the XL4. No audio passes through the fader bay, allowing a high degree of immunity to digital breakthrough to be achieved.

  • Page 70: The Central Control Unit

    Midas XL4 Automation system The Central control unit. MIDAS XL4 Automation is controlled from the central control CPU mounted to the right of the VCA Master faders.                    ...

  • Page 71: Operating The System

    Midas XL4 Automation system Operating the system. Input fader mode control The top four switches of the central control unit, labelled ‘AUDIO’, ‘MUTE’, ‘VCA’ & ‘LOCK’ directly control the operating mode of the input fader automation. With the ‘AUDIO’ mode enabled, the fader bay switch bank controls the audio group routing.

  • Page 72: Scene Storage

    Midas XL4 Automation system Scene storeage Storing scenes may only be done when the system is unlocked. To store a scene, first display the position you wish to store the scene in on the left hand window by using the jog wheel. Scene 0000 is a preset scene and can not be overstored. Once the required position is displayed press the ‘STORE’...

  • Page 73: System Menu

    Midas XL4 Automation system System menu. To call the system menu, press the ‘SYSTEM’ button. The display will show ‘SYSTEM’ and the ‘SYSTEM’, ‘NO’ and ‘YES’ buttons will flash. The jogwheel may then be used to scroll through the system options.

  • Page 74: Chmidin

    This option allows the input MIDI Channel to be selected. This is the channel down which program changes can be sent that the XL4 will respond to when set up in the edit menu, see store menu. To set the channel number, press the ‘YES’...

  • Page 75: Xl4 Size

    Midas XL4 Automation system XL4 SIZE This number should be set to 48. However if the memory has been corrupted for some reason (during servicing for example) this value should be set to zero. This procedure is decribed in the total clear and format procedure.

  • Page 76: Total Clear Format Procedure

    Midas XL4 Automation system Total Clear and Format Procedure                    C O N F IR M b u tto n        T O TA L C L E A R A N D F O R M A T P R O C E D U R E...

  • Page 77: Midas Xl4 Automation System

    Midas XL4 Automation system D isp la y p ro m p ts T O TA L        C L E A R , th en WA IT, th e n      D O N E...
  • Page 78 Midas XL4 Automation system        S cro ll to X L 4 S IZ E , p ress C O N F IR M               If d isp lay p ro m p ts 0 4 8...

  • Page 79: Store Menu

    Midas XL4 Automation system Store Menu There are 2 possible menus available when the ‘STORE’ button is pressed dependent on whether you are storeing a new scene or editing an existing one. If no scene is present in the location you are trying to store to (displayed in the left hand window) the menu you may access is shown below.

  • Page 80: Overstoring

    Midas XL4 Automation system Overstoring If the scene number does exist, the display will respond with ‘OVERSTORE’. To update the scene press ‘YES’. The existing scene will be replaced with the current status of the console. Pressing ‘NO’ will abandon the store procedure without taking any further action.

  • Page 81: Midi Clear

    MIDI IN This function allows you to edit the midi program change that the scene will be recalled by when received. The XL4 will monitor the midi channel set in the CH.MIDI in located in the SYSTEM Menu. MIDI CLR...

  • Page 82: Clear All

    Midas XL4 Automation system Memory menu Memory – Mem Tog Internal External Copy All Clear All Mem Tog (Memory Toggle) This allows you to swap from the memory you are currently working on to other. For example if you are working on Internal memory mode choosing YES to Mem Tog will switch over to External memory.

  • Page 83: Using The System - General Hints And Tips

    Midas XL4 Automation system Alt Scene Buttons A1 and A2 These buttons allow the recall of a scene assigned to the switch with a single button push. To assign a scene to either ALT1 or ALT2, recall the scene you wish to assign. Press the...

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