ALLEN & HEATH MixWizard WZ3 20S User Manual

ALLEN & HEATH MixWizard WZ3 20S User Manual

Audio mixer

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3
MixWizard WZ
20S

USER GUIDE

Publication AP6318

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Summary of Contents for ALLEN & HEATH MixWizard WZ3 20S

  • Page 1: User Guide

    MixWizard WZ USER GUIDE Publication AP6318...
  • Page 2: Warranty

    Limited One Year Warranty This product is warranted to be free from defects in materials or workmanship for a period of one year from the date of purchase by the original owner. To ensure a high level of performance and reliability for which this equipment has been designed and manufactured, read this User Guide before operating.
  • Page 3: Important Safety Instructions

    Important Safety Instructions WARNINGS Read the following before proceeding : CAUTION ATTENTION: RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR Read instructions: Retain these safety and operating instructions for future reference. Adhere to all warnings printed here and on the console. Follow the operating instructions printed in this User Guide.
  • Page 4: General Precautions

    Important Mains plug wiring instructions. The console is supplied with a moulded mains plug fitted to the AC mains power lead. Follow the instructions below if the mains plug has to be replaced. The wires in the mains lead are coloured in accordance with the following code: TERMINAL WIRE COLOUR...
  • Page 5: Table Of Contents

    Introduction Welcome to the Allen & Heath WZ 20S, one of the latest generation of the popular MixWizard series of compact audio mixing consoles. We have tried to keep this user guide brief and to the point. Please read it fully before starting. Included is information on installing, connecting and operating the console, panel drawings, system block diagram and technical specification.
  • Page 6: Front Panel Layout

    LAMP GAIN GAIN +48V +48V (LINE) (LINE) 0 20 0 20 GAIN GAIN PHONES - 10 10 60 40 - 10 10 60 40 TO CHANNEL TO CHANNEL GAIN GAIN EXT2 TO LR EXT1 500Hz 500Hz 35Hz 35Hz POWER PHONES EQ IN EQ IN EQ IN...
  • Page 7: Introducing The Mixwizard

    Introducing the MixWizard The Allen & Heath MixWizard series of consoles includes several models. This user guide describes the stereo input WZ 20S model. The WZ 16:2, WZ 12:2 and WZ 14:4:2 consoles are described in separate publications. For further information on the MixWizard series please refer to the Allen &...
  • Page 8: Installing The Console

    Installing the Console Free Standing The console is supplied ready for free standing operation with its side trims fitted and connector pod positioned for rear access. If you are converting from rack to free standing then make sure the pod is correctly rotated and secured, and the side trims fitted as shown below: FIT SIDE TRIMS - 4x M4 POZI SCREWS PER SIDE CONSOLE WIDTH = 507mm...
  • Page 9: Connecting Power

    Connecting Power FUSE CAUTION T630mA L 250V 20mm AC MAINS IN ~ RISK OF ELECTRIC SHOCK 100 - 240V~ 47-63Hz 45W MAX EXTERNAL DC IN DO NOT OPEN BACKUP SUPPLY AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR. CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE FUSE WITH SAME TYPE AND RATING. ATTENTION: REMPLACER PAR UN FUSIBLE STRICTEMENT IDENTIQUE EN VALEURS.
  • Page 10: Connector Pinouts And Cables

    User Guide...
  • Page 11: Audio Connections

    Audio Connections The MixWizard uses professional grade 3 pin XLR and 1/4" TRS (3 pole) jack sockets. To ensure best performance, we recommend that you use high quality audio cables and connectors, and take time to check for reliable and accurate cable assembly. It is well known that most audio system problems are due to faulty or sub standard interconnecting leads.
  • Page 12: Connector Panel Layouts

    ALLEN&HEATH MixWizard WZ STEREO LINE IN EXT2 EXT1 19-20 17-18 15-16 13-14 11-12 9-10 INSERT INSERT INSERT INSERT INSERT LINE IN LINE IN LINE IN LINE IN DIRECT DIRECT DIRECT DIRECT XLR OUT +OUT INPUT REMOTE ( user connections ) - OUT INSERT SEND...
  • Page 13: Console Connectors

    The Console Connectors MIC / LINE IN The channel PAD (LINE) switch selects either the MIC INPUT XLR or the LINE TRS jack as the input source. The XLR is normalled through the TRS jack. This means that the XLR can be used for - IN microphone or line level signals when nothing is plugged into the jack TIP +IN...
  • Page 14 L, R, M OUT The main console mix outputs are on balanced XLR. These produce +4dBu when the meters read ‘0’. The M output can be switched to provide a mono sum of the post-fade L and R signals, or the AUX6 output.
  • Page 15: Mono Input Channel

    The MONO Input Channel +48V Switches +48VDC to the channel input XLR for powering +48V microphones or DI boxes that need phantom power. The power is current limited through 6k8 ohm resistors to pins 2 and 3. (LINE) GAIN WARNING: Do not connect unbalanced sources or cables - 10 to inputs with phantom power selected.
  • Page 16 AUX SENDS These rotary controls adjust how much channel signal is mixed to the aux outputs. Each of the 6 auxes has its own +48V control. They adjusts from fully off to +6dB boost. Unity gain 0dB is (LINE) marked at 3 o’clock position. Auxes 1-4, 5-6 are switched pre/post. GAIN These settings may be changed if preferred by repositioning internal - 10...
  • Page 17: Stereo Input Channel

    The STEREO Input Channel Dual stereo inputs Each of the eight stereo channels has two GAIN stereo inputs which can be used separately, mixed together or split so that one feeds the channel, the other routes direct to LR. For example, you could mix two sound effects playback devices or two reverb returns together into one channel.
  • Page 18: Ext1 And Ext2 Inputs

    The EXT1 and EXT2 Inputs The WZ 20S provides two additional stereo inputs for signals such as effects returns, sub mix sources, sound effects and CD players. EXT1 features a fader and independent sends to auxes 1 to 4. EXT2 is a simple input that routes direct to the LR mix through the TO LR switch.
  • Page 19: Master Section

    The Master Section AUX MASTERS Each aux mix has a master level control that adjusts the output level to match external equipment, or to trim the STEREO 1-2 monitor, effect or other send without affecting the mix balance. Up to +4dB boost is available above the normal 0dB position.
  • Page 20: Ab Output

    AB OUTPUT This is an additional stereo output that can be configured as a separately controlled mix output or a local loudspeaker monitor send. A recessed mode switch above the AB level control selects the source. Use a pen or pointed object to change the setting. Adjust the output level from fully off to a maximum +10dB boost.
  • Page 21: Gain Structure

    Gain Structure How the levels between the different signal stages are set up is referred to as the gain structure. For best performance it is important that the connected source signals are matched to the ‘normal operating level’ of the console. Similarly the levels of the connected amplifiers and destination equipment should be correctly matched to the console outputs.
  • Page 22: Application Notes

    20S Application Notes The WZ 20S is well suited to many high performance live, recording and installed sound applications including multi source stereo mixing, multi output sub mixing, club systems, small broadcast, production mixing… and more. The following notes present suggestions for these applications.
  • Page 23 Multi Output Submixing The WZ 20S is built to the same high standard as top end consoles used in major live sound applications. Its all steel construction, together with individual circuit cards, make it ideal as a professional sidecar to the FOH console. It provides a versatile 4 mono, 8 dual stereo format for sub mixing a wide variety of sources.
  • Page 24: Specifications

    Specifications Performance Maximum output level +26dBu into 600 ohms max load Jack +21dBu into 2k ohm max load Internal headroom Channels +21dB +23dB Meters 3 colour LED, quasi peak response Sensitivity 0VU = +4dBu at XLR output Master meters 12 segment -30 to +16dB Channel meters 2 segment...
  • Page 25: Part Numbers

    Connections Mono channel XLR balanced pin 2 hot Sensitivity -60 to +10dBu TRS balanced, tip hot Sensitivity -40 to +10dBu Pad out (MIC) 2k ohm Pad in (MIC or LINE) >10k ohm, -20dB Max input level +30dBu XLR phantom power +48V, on/off Stereo channel A TRS unbalanced...
  • Page 26: System Block Diagram

    WZ3 20S SYS-LINK CONNECTION PHANTOM POWER AUX SENDS 1-6 4 BAND EQUALISER MASTER AUX OUT GAIN LINE (PAD) MUTE EQ IN -20dB AUX MIX TIP= + 2= + +4dBu BAL OPTION -2dBu AUX6 TO C BALANCED TIP= + IMPEDANCE BALANCED FADER AUX1-6 TO MONITOR LINE...
  • Page 27: User Options - Channel Cards

    User Options – Channel Cards REMOVE 4x M4 POZI SCREWS PER SIDE The MixWizard has a versatile architecture which REMOVE SIDE TRIMS should satisfy most applications you may encounter without modification. However, the following internal options provide alternative settings those applications that may demand them.
  • Page 28 Aux pre/post insert/EQ Factory default for MONO CH - AUX PRE/POST EQ the mono channel pre-fade auxes is pre-insert, pre- EQ. This is popular with many users mixing monitors from FOH. It prevents the channel EQ and inserted compressors affecting the monitor mix. Move the jumper from A to B to change this to post-insert, post-EQ if preferred.
  • Page 29: Sys-Link V2 Option

    AUX master balance option The 6 aux outputs are impedance balanced as standard operating at nominal -2dBu and with +21dBu maximum drive. They provide similar interference AUX MASTER - BALANCED OUTPUT OPTION rejection to electronically balanced outputs when connected to balanced equipment inputs. electronically balanced option is available if you require nominal +4dBu and higher output drive up to +26dBu over very long cable runs.
  • Page 30: User Options - Ab Relay Switch

    User Options – AB Output Relay Switching The AB output routes to its TRS connectors through a relay which is normally switched on. A remote switch may be wired to solder pads on the connector circuit card to switch the relay off and isolate the output.
  • Page 31: Cue Sheet

    Cue Sheet Copy and use this page to record your console settings. ALLEN&HEATH MixWizard WZ LAMP GAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN +48V +48V +48V +48V (LINE) (LINE) (LINE) (LINE) GAIN GAIN GAIN GAIN PHONES - 10 - 10 - 10 - 10 TO CHANNEL...
  • Page 32 User Guide...

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