ALLEN & HEATH XONE 02 Manual de usuario descargar pdf (Pagina 2)

Components

All XONE products use pro-specification

components from leading manufacturers

such as Penny & Giles, Alps and Analog

Devices. We do not subscribe to the opinion

that DJ mixers don't need to be built to

the same standard as professional audio

equipment; far from it: our experience has

taught us that frequently higher specification

parts are required in order to cope with

the harsh environments and enthusiastic

use our mixers are often subjected to.

Voltage control filters

VCA crossfaders

XONE mixers are equipped with high

quality dual rail gold contact crossfaders.

The crossfader is used as a DC controller

for the VCA (voltage control amplifier)

rather than as an audio attenuator. This

means that the audio signal is not affected

by any wear or degradation to the

crossfader as the fader is only providing

the low voltage DC control signal to the

VCA, through which the audio signal is

being passed.

Construction

35 years of designing live sound mixers has

taught us how to make a product that can

survive the rigours of life on the road. Many

products described as 'professional' have

all their components assembled onto one

flat PCB, mounted parallel to the front panel,

with the controls mounted at right angles

to the PCB and sticking through the panel.

Any impact onto the controls will be

transmitted straight onto the PCB with failure

the likely result. Also, any liquid spills will

of course accumulate and cause damage.

We do things a little differently: all our mixers

are internally modular, all the channel PCBs

are mounted at right angles, and with the

controls bolted directly to the front panel.

In this way any impact is absorbed through

the steel chassis and any liquid that

does

find its way into the mixer will run off

the PCBs.

Power supplies

The XONES employ internal, auto-sensing

switch mode power supplies, providing

quiet, high voltage DC output rails with

ample current reserve. This ensures

sufficient headroom is available throughout

the signal path to prevent clipping - even

with very high signal levels. The auto-

sensing power supply is also a boon to

any DJ who is touring the world as it

automatically adjusts to any mains voltage

from 90 volts to over 250 volts at either

50 or 60Hz.

The V6 is the exception to this format

because of the high voltage and current

demand of its class-A circuitry and

system expandability. An internal supply

is impractical, so it is powered by the

hybrid linear MPS6, which combines the

advantages of both linear and switch

mode technology.

The heart of the XONE range since it was

launched is the powerful and easy to use

voltage control filter system.

Based on the "state variable filter" circuit

similar to that found in many classic

analogue synths, but using modern high

performance and stable technology, these

stereo filters provide live performance tools

far more powerful than any equaliser or

kill switch.

Operating over the entire audio spectrum

of 20Hz to 20kHz the system outputs three

frequency correlated filter types; high-pass,

band-pass and low-pass. A resonance

control, which adjusts the amount of

feedback within the filter circuit, contours

the response of the filter at its cut-off

frequency, changing the filtered sound

from subtle to extreme.

All of the filter controls are “soft switched”

so that they can be punched in and out

live without causing voltage transient

clicks, and different filters can be selected

together to create further types such as

notch and all-pass.

THE TECHNOLOGY OF XONE

When you buy an A&H XONE you are not just buying a DJ mixer, you're

getting 35 years of professional audio experience distilled into one beautifully

engineered DJ instrument, designed to allow you to produce your best

performance every time.

Throughout our 35 years, we have been designing and engineering

innovative, affordable high performance live sound and recording

mixers. Over the last few years, we have brought our unique skills to the

DJ market and have developed a range of world-class mixers to suit

every DJ and every style. Xone mixers are intended for people who care

about the performance they deliver, and who want to give their audience

the very best experience, night after night. The benchmark for

excellence in DJ mixers has been well and

truly set.

ALLEN&HEATH XONE

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