ALLEN & HEATH WZ20S User's Guide download pdf (Page 26)

26 WZ20S User Guide

Application Notes

The WZ20S is well suited to many high performance live, recording and installed sound

applications including multi source stereo mixing, dual output submixing, club systems,

low end broadcast, production mixing… and more. The following notes present

suggestions for these applications. Of course, you may find different or better ways to

suit the particular requirements of your application.

Mixing Many Stereo Sources

There are many situations where you need to mix multiple stereo sources for

example keyboards, MIDI synthesisers, voice modules, sound cards, samplers,

outboard mic preamps, effects processors, CD, vinyl, DAT, MiniDisc, new

media players and recorders, stereo recorded tracks.

Dual stereo inputs You can connect two stereo sources to each channel and

switch between them or mix them together as required. Inputs A and B have

independent gain control so that the balance can be set as required. You do

not need to reset the gain each time you switch the inputs. You also have the

convenience of selecting either the RCA phono or TRS jack connections as

appropriate rather than using cable adapters.

External stereo inputs The two additional EXT inputs increase the number of

stereo inputs to 18. You still have the four mono channels for microphone or

line level inputs. The EXT inputs are best used to return the processed signal

from effects devices such as reverb, or to plug in a submixer. Remember to

select the MIX1(2) routing switches.

Signal processing All channels provide 4 band EQ for creative or corrective

equalisation. The six AUX sends provide plenty of outputs for effects, monitors

and special feeds. The effects can be returned to the EXT or dual stereo

channels. For example, two stereo reverbs could be combined on one stereo

channel. The mono channels and main outputs provide inserts for patching in

additional signal processors such as compressors.

Production and Recording

The number of inputs and processing power together with the sonic purity of

analog sound make the WZ20S well suited to professional recording and

program production.

Inputs Connect up to 4 microphones and 16 stereo line sources plus 2 effects

returns. Up to 6 stereo channel A inputs can be optionally fitted with the

internal RIAA card for direct connection to record decks. For multitrack

recording you can connect up to 16 track returns to the 8 stereo channels. You

can use either mono or stereo channels to connect to outboard mic preamps,

increasingly common in the studio.

Outputs The two stereo outputs can feed independent recording devices.

This is useful when recording translations and voiceovers. Use the MIX2 jack

outputs when connecting to low level devices. Set the EXT1(2) routing

switches to their up position when returning the 2-track outputs to the monitor

select bank.

Su/jointfilesconvert/365655/bgrouping Select MIX1 to MIX2 to create a stereo su/jointfilesconvert/365655/bgroup for single

fader control and inserted processing. In this case use MIX2 as the main

output.

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ALLEN & HEATH WZ20S User's Guide Page 26

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