Allenheath GLD-112 Reference Guide User Manual download pdf (Page 23)

GLD Touch Screen Reference V1.4 – Issue 1 23 ALLEN&HEATH

Chorus

Chorus derives from the late 80’s where different stereo

field creation techniques influenced the sound of each

chorusing unit.

Chorus recreates the classics using 3 stereo-field

emulations. These emulations can be switched in any

combination creating many different stereo fields. All

switches up gives no stereo enhancement.

The traditional Rate and Depth controls cover the centre

panel. The LFO driving the modulator can be switched to

sine or rectified shape. The auto-panning section pans the

chorus voices giving stereo level shimmer, another classic

modulator effect.

The module is stereo in, stereo out (with software

normalised mono input if the source is mono).

Stereo Field emulations - All switches up turns all stereo

enhancement off. There are 3 stereo field emulations each

active with switch down. These create stereo fields from a

mono input. The 3 emulation switches can be used in

conjunction with each other creating many different stereo

field sounds, just like a number of classic chorus effects. Be

careful as all 3 selected together can sound muffled rather

than more ‘stereo’ with certain programme.

LFO Split uses two separate LFO’s for left and right,

creating a rich stereo image that varies with rate.

Wide pushes the left and right voices apart producing a

very wide stereo image, but can sound phasey on some

programme.

MultiVoice stereo field is created through multi-voice splits

across left and right. It typically produces a thick stereo

sound, but can sound muffled on some programme.

Rate - Min position for slow speed, best used with high

depth settings for slow, deep chorus. Mid position for

medium speed. Use with mid depth for classic chorus

sounds. Max position for fast speed. Use with low depth

settings for lively chorus.

Depth - Min position for small voice pitch variation. Useful

with fast rates. Max position for large voice pitch variation.

Can cause audible pitch change. Best with slow rate.

Sine/Rectified - modulator Switches between sine wave and

rectified LFO modulator.

Autopan - Automatically pans the chorus voices (wet signal

only, not the dry signal). This is level modulation of the wet

effect (not the dry signal) across the stereo field. It is not

complete signal auto panning.

Pan Depth - Determines the amount of movement across

the stereo field. Use higher settings for a stronger effect.

Speed - Determines the speed of movement across the

stereo field.

Preset Name is displayed. Touch and scroll using the

screen Rotary for live update. This is a way of live

auditioning all library presets for this module (factory, user

and USB). You can also select and recall a particular preset

using the Library window.

Symphonic Chorus

A faithful emulation of the 80’s classic chorus effect. Simple

to use and frequently requested. The unit has just two

controls, Frequency and Depth, controlling the rate and

delay range of the stereo modulator. The unit produces a

rich, lively and wide chorus sound with a suggestion of very

mild phasing / flanging.

Live engineers commonly use this unit for thickening vocals

and strings and creating a spatial sound from a mono

source. This has led to two factory presets ‘SymphonicVox’

and ‘SymphonyStrings’.

The module is stereo in, stereo out (with software

normalised mono input if the source is mono).

Frequency - Adjusts the modulator speed. Minimum setting

is a very slow modulation. Maximum is fast modulation. Like

the original 80’s unit, the maximum frequency setting is

extreme and should be used with shorter depth settings to

avoid space ship sound effects. Typical settings are just left

of mid position.

Depth - Adjusts the modulator delay depth. Minimum

position is short delay depth producing subtle modulation.

Some programme may be more prone to phasing/flange

type sounds. Mid position is a typical delay depth setting

creating tonal depth with rich chorusing. High settings of

depth can sound extreme if the frequency is also set too

high. Mid position is a typical starting point.

Preset Name is displayed. Touch and scroll using the

screen Rotary for live update. This is a way of live

auditioning all library presets for this module (factory, user

and USB). You can also select and recall a particular preset

using the Library window.

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Allenheath GLD-112 Reference Guide User Manual Page 23

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