Allenheath MIXWIZARD3 20S User Manual download pdf (Page 20)

20 WZ

20S User Guide

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. The

normal 0dB position is marked on the panel.

With the mode switch in its up position, the LR mix is selected as the

source to the AB output TRS jacks. Factory default setting is post-LR

fader. If preferred you can change this to pre-LR fader by repositioning

internal option jumpers so that the LR master fader movements do not

affect the output. In LR mode the AB output provides an additional

main mix output ideal for independent fill speaker control, 2-track

recording, broadcast feed, booth monitor and so on.

With the mode switch pressed, the console monitor system is selected

as the source. You can use this to feed local monitor speakers to

listen to the source selected on the monitor switch bank interrupted by

PFL. Local speaker monitoring can be useful in theatre and stage

monitoring applications.

AB output relay 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. One application is for a broadcast studio where a

booth monitor should be muted when its local mic is live. In this case

the relay would be wired to a micro-switch on the mic channel fader.

For external switching, the relay could be wired to pins on the

REMOTE (user) port on the rear panel.

Console Monitor Comprehensive engineer’s headphones monitoring

is provided. Select the source to listen to using the monitor switch

bank. With no switch pressed the post-fade LR mix is monitored.

Press M to listen to the post-fade M source. Pressing any switch

higher up the bank overrides the previous selection. Pressing Aux

pairs 1-2, 3-4, 5-6 together listens to the two selected auxes as a

stereo pair. The two console meters display the selected monitor

source signal level.

Pressing channel PFL switches automatically overrides the current

monitor selection with the pre-fade signal from that channel or

selection of channels. The red PFL active indicator lights and the

console meters display the channel signal.

We recommend you use closed ear headphones in the range 30 to

600 ohms designed for live sound monitoring. Headphones around

100 ohms impedance are a popular choice.

WARNING: To avoid damage to your hearing do not operate

any close-to-ear monitoring such as headphones for long periods

at high volume. Continued exposure to high volume sound can

cause frequency selective or wide range hearing loss.

PHONES

TO LR

LEV

EXT2

PHONES

AUX 1

AUX 2

AUX 4

AUX 5

AUX 3

-6

-9

-3

PFL

+16

-12

-16

-20

-30

EXT1

EXT2

ALL UP = LR

MONITOR

ALT LR OUT

AUX 6

+10

POWER

STEREO 1-2

STEREO 3-4

STEREO 5-6

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 31 32

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Allenheath MIXWIZARD3 20S User Manual Page 20

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