![ALLEN & HEATH WZ4 12 [11/32] Audio connections](/img/pdf.png)
ALLEN & HEATH WZ4 12 [11/32] Audio connections
![ALLEN & HEATH WZ4 12 [11/32] Audio connections](/views2/1990614/page11/bgb.png)
Allen & Heath 11 WZ
4
16:2 and 12:2 User Guide
The MixWizard uses professional grade 3 pin XLR and 1/4" TRS (3 pole) jack sockets. To ensure best perfor-
mance, we recommend that you use high quality audio cables and connectors, and take time to check for relia-
ble and accurate cable assembly. It is well known that most audio system problems are due to faulty or sub
standard interconnecting leads. The following mating plugs may be used to connect audio signals to the console:
Audio Connections
Avoid reversing + and - on balanced connections as this will result in reversed polarity (out of phase) signals
which may cause signal cancellation effects.
Where long cables runs are required, balanced interconnections should be used. However, line level intercon-
nections between more affordable 2-wire (signal, ground) unbalanced equipment and the console are unlikely to
cause problems if the cables are kept shorter than 10 meters or so. Refer to the wiring diagrams on the oppo-
site page.
Dealing with Ground Loops, Buzz and Interference
For optimum performance all audio signals should be referenced to a solid, noise-free ground (earth) point, fre-
quently referred to as the ‘star point’ or ‘clean earth’.
A ground loop is created when potential differences exist between grounds at different points in the system, and
the signal has more than one path to ground. In most cases ground loops do not result in audible problems.
Should you experience hum or buzz caused by a ground loop, check first that each piece of equipment has its
own separate path to ground. If so, operate ground lift switches on connected equipment in accordance with the
instruction manuals. Alternatively disconnect the cable screen at the destination end only. This breaks the of-
fending loop while keeping the signal shielding down the length of cable.
WARNING For operator safety do not remove the ground (earth) connection in the
power lead of the console or connected equipment.
To avoid interference pickup keep audio cables away from mains power units and cables, thyristor dimmer units,
computer equipment and mobile phones. Where this cannot be avoided, cross the cables at right angles to mini-
mise interference
A note about balanced connections
A differentially balanced connection has two signal wires, signal + (hot) and signal - (cold) and a shield. The signal
source generates positive going polarity down the + wire and negative polarity down the – wire. The destination
input stage accepts the + signal on its non-inverting (+) input pin, but it inverts the – signal, adding it to the +
signal. The result is that the wanted signal is boosted. Now examine what happens when unwanted interference
(hum and noise) is induced into the cable. The noise is induced equally and with the same polarity into both
wires. At the destination input the – wire signal gets inverted and added to the + signal. Because the polarity is
the same on both input wires the noise cancels itself out at this input. For this interference rejection to work it
is important that the source, the cable and the destination input are all balanced. Balancing provides greatest
advantage with low level signals such as those produced by microphones.
An impedance balanced output provides similar interference rejection, but without the signal drive on the - wire.
It does not generate a negative polarity signal at its – output. Instead, the – wire has no signal but is held at the
same impedance as the + wire. This means that both wires pick up the noise equally resulting in cancellation as
described above.
TRS jack plug
TS jack plug
XLR male plug
XLR female plug
RCA phono jacks
2
3
1
1
3
2
Tip
Sleeve
Ring
Tip
Sleeve
Содержание
- 2 and w 1
- Mixwizard w 1
- User guide 1
- Http www allen heath com 2
- Limited one year warranty 2
- Caution 3
- Safety instructions 3
- Warning this equipment must be earthed 3
- General precautions 4
- Important mains plug wiring instructions 4
- Safety instructions 4
- Contents 5
- Introduction 5
- 2 and 12 2 user guide 6
- Allen heath 6 w 6
- St6 usb 6
- 1 this device may not cause harmful interference and this device complies with part 15 of the fcc rules operation is subject to the following two conditions 7
- 10 11 12 7
- 10 11 12 13 14 15 16 7
- 2 3 4 5 6 7 8 7
- 2 and 12 2 user guide 7
- 2 and w 7
- 2 provides 16 mono mic line inputs and 2 stereo return inputs a total of 20 input connec tions the w 7
- 2 provides 8 mono mic line in puts 2 full channel dual stereo inputs and 2 stereo return inputs a total of 20 input connections 7
- 2 stereo models for further information on the mixwizard series please refer to the allen heath web site 7
- 2 this device must accept any interference received including interference that may cause undesired operation 7
- 240v 47 63hz 45w max 7
- 3 6 9 16 7
- 30 20 16 12 7
- Ab st2 7
- Ac mains in 7
- All up lr 7
- Allen heath 7 w 7
- Allen heath mixwizard wz 7
- Alt lr out monitor 7
- Ambient 7
- An allen heath ledlamp gooseneck lamp with built in dimmer can also be added for lighting the console in low light conditions 7
- Arena 17 size 7
- Attention remplacer par un fusible strictement identique en valeurs caution for continued protection against risk of fire replace fuse with same type and rating 7
- Aux aux 7
- Aux aux aux au 7
- Aux6 effect off 1 20 7
- Avis risque de choc electrique ne pas ouvrir 7
- Beatdelay 5 tap regen 7
- Both models feature a 4 band semi parametric eq and high pass filter per mic line channel 6 aux sends with combinations of pre post switching 100mm faders a built in dual effects processor with adjustable parameter control dedicated mono output with sepa rate fader and innovative operating mode for aux fed sub systems additional ab stereo output compre hensive metering engineers monitoring and a lamp socket 7
- Caution 7
- Cet appareil doit etre mis a la terre 7
- Chorus 20 depth 7
- Colour 7
- Concerthall size 7
- Conforms to ansi ul std 60065 2003 certificated to can csa std 0065 03 7
- Delay 1 7
- Delayhf 7
- Delaylf 7
- Direct 7
- Direct out 7
- Direct out 3 7
- Direct out 4 7
- Direct out 5 7
- Direct out 6 7
- Direct out 7 7
- Direct out 8 7
- Do not open 7
- Doubler 7
- Echospace 7
- Echoverb 7
- Effect off 1 20 7
- Eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in 7
- External fx return 7
- Flanger 19 intensity 7
- Footswitch 7
- Fx eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in eq in 7
- Fx mute 7
- In aux 7
- Insert 7
- Internal fx 7
- Introducing the mixwizard 7
- Laite on liitettävä suojamaadoituskoskettimilla varustettuun pistorasiaan apparatet må tilkoples jordet stikkontakt apparaten skall anslutas till jordat uttag 7
- Line in 7
- Line in out mic 7
- Line tip tip in ring ring in 7
- Made in china 7
- Mixwizard wz allen heath 7
- Mono ch 15 16 ab 7
- Multichannel audio usb 2 7
- Mute mute 7
- Mute mute mute 7
- O o oo 7
- Off aux send 7
- Oo oo oo oo oo oo oo oo oo 7
- Out direct 7
- Parameter 7
- Pfl pfl 7
- Platedly 7
- Plateeq 7
- Post fx 7
- Post post 7
- Predly 7
- Return 7
- Reverb 7
- Risk of electric shock 7
- Serial no engineered in england by allen heath limited 7
- Slapdelay 7
- Smallspace 18 size 7
- St1 st2 t 7
- St2 input usb return 7
- St2 usb 7
- St3 st4 7
- St6 l r m 7
- St6 usb 7
- T630ma l 250v 20mm 7
- Tap lfregen 7
- Tap regen 7
- Tap regen pingpong 4 7
- The allen heath mixwizard series of consoles includes several models this user guide describes the w 7
- The aux outputs are impedance balanced but may be electronically balanced if required by fitting an option al part a kit is also available to fit an optional usb2 output card which allows the console to be linked to a computer for multitrack recording 7
- The base of the console can be removed to access a host of internal user selectable options these set user preference for the aux direct output and ab sources 7
- The console can be operated free standing or in a 19 rack or flightcase it is supplied with protective side trims fitted these can be removed for rack mount ing the rear connector pod can be easily rotated for rear facing or underside connectors when rack mounted 7
- The mixwizard is a compact console designed for professional live sound mixing it is built to the same high standards as our top of the range consoles with individual circuit cards potentiometers nutted to the panel for absolute strength steel chassis and no com promise circuit design ensuring the finest sonic per formance 7
- Thickness 7
- To reset the fx parameters to factory default power up the console while holding down the tap key and the fx rotary switch 7
- Warning this apparatus must be earthed 7
- Xlr out 7
- 2 and 12 2 user guide 8
- Allen heath 8 w 8
- Free standing 8
- Installing the console 8
- Rack mount 8
- Connecting power 9
- Grounding 9
- Read and understand the important safety instructions printed at the start of this guide and the warnings printed on the rear of the console check that your local mains supply is within the 100 240v operating voltage range allowed check that the correct mains lead with moulded plug has been sup plied with your console make sure that the iec mains plug is pressed fully into the panel socket before switching on 9
- Switching the console on and off 9
- 2 and 12 2 user guide 10
- Allen heath 10 w 10
- Headphones 10
- Input output 10
- Insert 10
- Pin 2 hot 10
- To from input output 10
- Y adapter 10
- 2 and 12 2 user guide 11
- A note about balanced connections 11
- Allen heath 11 w 11
- Audio connections 11
- Dealing with ground loops buzz and interference 11
- 2 allen heath 12
- 2 and 12 2 user guide 12
- Allen heath 12
- Allen heath 12 w 12
- Caution 12
- Mixwizard w 12
- Mixwizard wz 12
- Multichannel audio usb 2 12
- Insert 13
- Return 13
- The console connectors 13
- 2 and 12 2 user guide 15
- 48v switches 48vdc to the channel input xlr for powering micro phones or di boxes that need phantom power the power is current limited through 6k8 ohm resistors to pins 2 and 3 15
- Allen heath 15 w 15
- Check for the best microphone selection and placement before using the check for the best microphone selection and placement before using the eq start with the eq set flat and apply only as much boost or cut as is really needed the eq in button can be used to compare the eq with a flat response when dealing with problem frequencies cut rather than boost where possible 15
- Eq a 4 band semi parametric eq provides independent control of four frequency bands hf and lf are shelving filters which affect high frequen cies above 12khz and low frequencies below 80hz respectively hm and lm are bell shaped peak dip filters which affect frequencies around a cen tre point which can be swept from 500hz to 15khz and 35hz to 1khz respectively these have a width q of 1 all bands can be boosted or cut by up to 15db and have a centre detent 0db position 15
- Gain adjusts the input sensitivity to match the connected source to the internal 0dbu operating level of the channel provides a variable 50db range from 10 to 60db gain mic or 10 to 40db line pad selected the gain should be set using pfl so that the console meters average 0 with loudest moments lighting 6 reduce gain if the red peak indicator lights 15
- Hpf switches in the channel high pass filter this attenuates frequencies below 80hz by 12db per octave the filter is pre insert pre eq select the hpf to reduce low frequency noise such as microphone popping stage noise and tape transport rumble 15
- Pad line press this switch to select the channel trs jack line in put release the switch to select the xlr mic input the xlr normals through the trs socket with nothing plugged into the line input the switch therefore becomes a pad for the mic xlr it attenuates the input signal by 20db for connection to high level microphone or line sources 15
- The mono input channel 15
- Warning do not connect unbalanced sources or ca bles to inputs with phantom power selected to avoid loud clicks always mute the channel before switching 48v on or off and when plugging or unplugging microphones 15
- 2 and 12 2 user guide 16
- Allen heath 16 w 16
- 2 and 12 2 user guide 17
- 2 only 17
- Allen heath 17 w 17
- The stereo input channel 17
- 2 and 12 2 user guide 18
- Allen heath 18 w 18
- Resetting the effects preset 18
- The stereo effects channel 18
- 2 and 12 2 user guide 19
- Allen heath 19 w 19
- Aux master 19
- Lr fader master 19
- M fader maste 19
- The master section 19
- 2 and 12 2 user guide 20
- Ab outpu 20
- Allen heath 20 w 20
- St2 st6 retur 20
- 2 and 12 2 user guide 21
- Allen heath 21 w 21
- Final wor 21
- Gain structure 21
- Matching a source to the consol 21
- Matching the console to destination equipmen 21
- Terminolog 21
- Using the meter 21
- 2 and 12 2 user guide 22
- Allen heath 22 w 22
- Mechanical 22
- Performance 22
- Specifications 22
- 2 and 12 2 user guide 23
- Allen heath 23 w 23
- Connections 23
- Mixwizard 4 series part numbers 23
- 2 and 12 2 user guide 24
- 2 block diagram 24
- Allen heath 24 w 24
- 2 and 12 2 user guide 25
- 2 block diagram 25
- Allen heath 25 w 25
- 2 and 12 2 user guide 26
- Allen heath 26 w 26
- Configure the internal options 26
- Important 26
- Refit the bas 26
- Remove the bas 26
- User options 26
- 2 and 12 2 user guide 27
- Ab source pre or post lr fader 27
- Allen heath 27 w 27
- Aux pre post insert e 27
- Direct output sourc 27
- Effects return stereo mono aux sourc 27
- Mono ch aux pre post eq 27
- Mono ch aux pre post fader 27
- Mono ch direct out 27
- Mono channel aux pre post setting 27
- Pr sw aux 1 2 27
- Stereo channel aux pre post setting 27
- Stereo mono aux sourc 27
- 2 and 12 2 user guide 28
- Allen heath 28 w 28
- Aux master balance optio 28
- Aux master balanced output option 28
- Multichannel audio usb 2 28
- Usb option 28
- 2 and 12 2 user guide 29
- Allen heath 29 w 29
- Allen heath mixwizard wz 29
- Copy and use this page to record your console settings 29
- Cue sheet w 29
- 2 and 12 2 user guide 30
- Allen heath 30 w 30
- Copy and use this page to record your console settings 30
- Cue sheet w 30
- Mixwizard wz allen heath 30
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