ALLEN & HEATH XONE:62 User's Guide download pdf (Page 15)

XONE:62 User Guide 15

82 Gain and Operating Levels

It is most important that the system gain and level settings are correctly set. It is well known that

many DJs push the gain to maximum with meters peaking hard in the belief that they are getting the

best from the system. THIS IS NOT THE CASE ! The best can only be achieved if the system

levels are set within the normal operating range and not allowed to peak. Peaking simply results in

signal distortion, not more volume. It is the specification of the amplifier / speaker system that sets

the maximum volume that can be achieved, not the console. The human ear too can fool the

operator into believing that more volume is needed. Be careful as this is in fact a warning that

hearing damage will result if high listening levels are maintained. Remember that it is the QUALITY

of the sound that pleases the ear, not the VOLUME.

Use the GAIN TRIM 1 to match the input source

to the normal operating level of the console. Adjust

this so that the CHANNEL METER 4 averages

0dB with loudest moments reading +6. Press the

CUE SWITCH 3 to listen to the signal on

headphones and check the level on the expanded

range MAIN METERS 9 . Adjust the CHANNEL

FADER 5 and MASTER FADER 6 so that they

normally operate in the shaded area near the top.

Make sure the amplifier/speaker system has been

correctly calibrated for the loudest volume required

at the fader top position. Boosting the EQ 2 also

adds gain to the system. Reduce by turning back

the GAIN TRIM 1 if the meter red peak leds flash.

Adjust the HEADPHONES 8 and BOOTH 7

monitor controls for safe listening levels.

A final note … The human ear is a remarkable

organ with the ability to compress or ‘shut down’

when sound levels become too high. Do not

interprete this natural response as a reason to turn

the system volume up further ! As the session

wears on ear fatigue may set in, and the speaker

cones may become hot so reducing the

effectiveness of the system and listeners to gain any

benefit from increased volume.

BE SENSIBLE, BE SAFE WITH SOUND LEVELS

The diagram above illustrates the operating

range of the audio signal.

NORMAL OPERATING RANGE. For normal

music the signal should range between –5 and +5

on the meters with average around 0dB. This

allows enough HEADROOM for unexpected

peaks before the signal hits its maximum

CLIPPING voltage and distorts. It also achieves

the best SIGNAL-TO-NOISE-RATIO by keeping

the signal well above the residual NOISE FLOOR

(system hiss). The DYNAMIC RANGE is the

maximum signal swing available between the

residual noise floor and clipping. The XONE:62

provides a massive 110dB dynamic range.

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ALLEN & HEATH XONE:62 User's Guide Page 15

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