Alesis Vocal Zapper Spécifications télécharger pdf (Page 22)

DEQ624

PROCESSORS

PRESONUS

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◆ 24-Bit digital signal processing provides

accurate processing of analog signals

◆ Each channel of the graphic EQ section is

comprised of 31 digital EQ encoders (faders)

centered in1/3 octave increments from

20 Hz to 20 kHz

◆ A range switch for each channel lets you

choose one of three boost/cut ranges for

the digital encoders – ±6dB, ±12dB or

+12/-24dB. The selected range is easily

identified by LED’s located at the left side of

the EQ section

◆ Separate high (variable from 10 Hz to 410 Hz)

and

low (variable from10 kHz to 20 kHz) pass

filters are provided for each channel

◆ To help minimize overall system noise, both

channels have separate expanders with

variable ratio and threshold controls

◆ A “brick-wall” limiter with a variable

threshold control provides fail-safe system

protection from extreme transients

◆ A HI Q switch let’s you narrow the band-

width of the frequency bands from Normal

Q with a 1/3 octave bandwidth to Hi Q which

has a 1/8 octave bandwidth. With Hi Q

engaged, adjacent frequencies will be less

effected by boost/cut frequencies

◆ Adaptive Hum Cancellation greatly reduces

50Hz /60Hz system hum caused by grounding

problems with the flick of a switch

◆ A hardwire bypass switch for each channel

ensures that audio will still pass from input

to output in the event of lost power

◆ To facilitate ease of set-up, a Channel A

master switch, when engaged, will slave the

controls of Channel B to Channel A.

Preset Management

◆ Preset switch lets you toggle through 4

user-defined setups that include a “snapshot”

of the settings of the front panel controls

◆ A security lock-out feature, allows you to

defeat the front panel controls of the unit

which can be restored with user-created

three-switch code combination

CL44 • GTX44 Quad Series Dynamics Processors

The CL44 four-channel professional

compressor/limiter and the GTX44

four-channel frequency dependent

gate/expander both combine a digitally-

controlled, high-quality analog signal

path with the added flexibility of digital

sidechain processing which provides vintage compressor emulations, ducking and spectral processing. They feature stereo

linking of adjacent channels as well as sidechain inserts, balanced XLR inputs/outputs and a single unbalanced1/4” TRS I/O

connector for each channel. The GTX44 features high and low pass filters, variable attack, release and hold parameters and

key listen control. The CL44 has a variable high pass filter with an independent limiter and full featured compressor.

CL44 Features

◆ Hybrid VCA, analog dynamics processor

under digital control with DSP flexibility

◆ Digital sidechain processing allows multiple

functions such as filtering, vintage

compressor emulation and other special

functions, to be applied simultaneously

◆ Balanced XLR inputs and outputs

◆ Unbalanced inputs and outputs are also

available via a single 1/4” TRS jack – A ‘flip’

button reverses the ‘tip and the ‘ring’ on the

1/4” jack to match the wiring of your mixer

◆ 1/4”TRS compressor sidechain insert with

+4/-10dBv selector

◆ Adjacent channels are stereo linkable

◆ Internal Power Supply

◆ Backlit function buttons

◆ All steel chassis, one rack space

◆ Variable threshold, ratio, attack, release

hold and range controls can be applied

to achieve noise-gating or downward

expansion

◆ Zero-Crossing function provides truly

‘clickless’ operation and chattering on gate

settings that use quick attack-times

◆ Adjustable High- and Low- Pass filters allow

you to control the specific frequency range

over which the gate will open – a sidechain

monitor listen button lets you hear what

frequency range the gate is operating within

◆ Duck mode allows for external input of

microphone signal via Gate Key Input

◆ Fully adjustable attack, release, ratio,

threshold control. Program dependent attack

and release is also available using the Auto

function that monitors audio over three

separate time constants

◆ Compander circuit raises an audio signal

when it falls below a desired threshold –

when used in conjunction with the

compressor provides Automatic Gain Control.

◆ Variable High Pass Filter lets you pinpoint

the frequency range in which the compressor

operates

◆ Independent peak stop limiter

◆ A special ‘optical’ mode emulates the

optical transfer curve found in vintage

compressors

◆ 10-segment LED gain reduction meter

GTX44 Features

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Alesis Vocal Zapper Spécifications Page 22

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