Focusrite The Liquid Channel Handleiding

Focusrite Niet gecategoriseerd The Liquid Channel

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ENGLISH
1
LiquidControlâ„¢ Software
Please visit to download the latest version of the free LiquidControlâ„¢ www.focusrite.com
software application, for Mac OS X or Windows XP. The application allows you to edit The
Liquid Channelâ„¢ remotely, plus load, save and archive the mic-pre and compressor replicas
and programs. The LiquidControlâ„¢ user guide is also available to download in PDF format.
Contents
Introduction............................................................................ 1
Important Safety Instructions............................................. 1
Power Connections.............................................................. 1
Liquid Channelâ„¢ Architecture ......................................... 2
Rear Panel Connections ...................................................... 3
Front Panel Controls............................................................ 3
Mic-Pre and A/D.................................................................... 4
Session Saver .......................................................................... 4
Clock Select and Synchronisation..................................... 5
Main LCD and Controls ...................................................... 5
Harmonics............................................................................... 6
Compressor Settings............................................................ 6
3-Band EQ............................................................................... 7
Comp & EQ Settings ............................................................ 8
Data Select.............................................................................. 8
Linking Multiple Units.........................................................10
Connections and Applications .........................................11
Frequently Asked Questions............................................16
Specifications ........................................................................21
Disclaimer .............................................................................22
Accuracy ................................................................................ 22
Copyright ..............................................................................22
Warranty...............................................................................22
Introduction
Thank you for purchasing The Liquid Channelâ„¢
brought to you by the Focusrite team – Ian, Trevor,
Peter, Martin, Tom, Mick A’C, Phil, Chris G, Micky,
Pauline, Melissa, Chris W, Rob J Snr, Simon J, Vernon,
Giles, Rob J Jnr, Mick G, Tim, Dave, Nick, Paul, Peter
and Simon.
The chaps at Focusrite are a jolly hard working bunch
and take a great deal of pride in designing, building and
delivering products which are considered the best
audio units around; we hope your new Focusrite unit
lives up to that reputation and that you enjoy many
years of productive recording. If you would like to tell
us about your recording experiences then email us at:
sales@focusrite.com
The Focusrite Team
Important Safety Instructions
Please read all of these instructions and save them for future
reference. Follow all warnings and instructions marked on
the unit.
• Do not obstruct air vents in the rear panel. Do not
insert objects through any apertures. Ensure adequate
ventilation at all times.
• Do not use a damaged or frayed power cord.
• Unplug the unit before cleaning. Clean with a damp
cloth only. Do not spill liquid on the unit.
• Unplug the unit and refer servicing to qualified service
personnel under the following conditions: if the power
cord or plug is damaged; if liquid has entered the unit; if
the unit has been dropped or the case damaged; if the
unit does not operate normally or exhibits a distinct
change in performance. Adjust only those controls that
are covered by the operating instructions.
• Do not defeat the safety purpose of the polarised or
grounding type plug. A polarised plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wider
blade or the third prong are provided for your safety.
When the plug provided does not fit into your outlet,
consult an electrician for replacement of the obsolete
outlet.
This unit is capable of operating over a range of mains
voltages as marked on the rear panel. Ensure correct mains
voltage setting and correct fuse before connecting mains
supply. Do not change mains voltage settings while mains
supply is connected. To avoid the risk of fire, replace the
mains fuse only with the correct value fuse, as marked on
the rear panel. The internal power supply unit contains no
user serviceable parts. Refer all servicing to a qualified
service engineer, through the appropriate Focusrite dealer.
WARNING:
THIS UNIT MUST BE EARTHED BY THE
POWER CORD. UNDER NO
CIRCUMSTANCES SHOULD THE MAINS
EARTH BE DISCONNECTED FROM THE
MAINS LEAD.
Power Connections
There is an IEC mains lead supplied with the unit, which
should have the correct moulded plug for your country. The
wiring colour code used is:
For units shipped to the USA, Canada, Taiwan and Japan:
Live Black; Neutral White; Earth Green
For units shipped to any other country:
Live Brown; Neutral Blue; Earth Green & Yellow
ENGLISH
2
Liquid Channelâ„¢ Architecture
The Liquid Channelâ„¢ is fundamentally different from
any other Focusrite product previously built – and
indeed any other dynamics processor currently
available. Although The Liquid Channelâ„¢ is extremely
simple to use, please take a moment to read this
section of the user guide, which gives a brief overview
of the signal path and storage capabilities of the unit.
Overview
The Liquid Channelâ„¢ is the first implementation of
Focusrite’s groundbreaking ‘Liquid Technology’. The
Liquid Channelâ„¢ transports classic front-end
processing into the digital age, removing the need for
endless patching and adding fluidity and reliability to
the studio environment. Quite simply, The Liquid
Channelâ„¢ is capable of being configured to replicate
the finest mic-pres and compressors in history, all
inside a single 192 kHz, 2U device.
This is achieved through a unique two-part process.
Firstly, the use of Dynamic Convolution techniques is
applied, utilising lightning fast SHARC chips applying
unique level-dependent impulse responses to every
sample of audio. However, whilst this is more than
sufficient to closely emulate a compressor’s sonic
behavior, in order to replicate subtle nuances of
classic units, the pre-amplifier must operate in a
suitable physical environment to mirror the way in
which any classic unit interacts with a given
microphone. The Liquid Channel™’s solution to this
problem lies in its vast analogue front-end. The pre-
amp has the ability to change its impedance and vary
its signal path to either transformer or electronic,
replicating the interaction characteristics of the
original, whilst remaining transparent within the signal
path.
The Liquid Channelâ„¢ can therefore closely replicate
the sound of the classic mic-pres and compressors
from history. With entirely digital front panel controls,
all parameters can be saved in one of 100 program
memories, meaning that entire session setups can all
be recalled at the touch of a button. A brand new
digital EQ is also available, providing a comprehensive
and truly ‘liquid’ channel strip.
A USB connection on the rear panel links to the
LiquidControlâ„¢ software application, enabling the
archiving of both replicas and surplus program
memories, as well as providing full editing and remote
operation of the unit itself. The Liquid Channelâ„¢
comes complete with replicas of 40 classic mic-pres
and forty classic compressors but is infinitely
expandable, since the USB port also facilitates the
upload of further replicas downloaded from a
dedicated website – www.focusrite.com.
Finally, to account for variances in amounts of second,
third and fifth order harmonic distortion (usually
perceived as warmth) from one pre-amp to the next, a
dial is included to permit control over this value. This
essential feature ensures satisfaction for even the most
hardcore vintage enthusiast, bringing accurate control
over the key sonic attributes.
Liquid Assets
The Liquid Channelâ„¢ ships with 40 pre-amp replicas
and 40 compressor replicas as standard. The free
LiquidControlâ„¢ software allows additional replicas
downloaded from www.focusrite.com to be
uploaded to The Liquid Channelâ„¢ via USB.
Program memories
The Liquid Channelâ„¢ has 100 program memories to
allow storage of preferred pre-amp/compressor/EQ
combinations. These can be saved, archived and
reloaded from a remote computer using
LiquidControlâ„¢ via the USB connection. All channel
parameters are stored, offering ‘total recall’ including
mic gain. Using LiquidControlâ„¢, a virtually unlimited
number of replicas and programs can be stored on
your PC or Mac and uploaded to The Liquid
Channelâ„¢ hardware as required. You can also email
your favourite Liquid Channelâ„¢ replicas and program
settings to other users anywhere in the world – the
ultimate in session recall.
Signal Path
The Liquid Channelâ„¢ features both analogue (mic and
line) and digital (AES-EBU) inputs, plus analogue (line)
and digital (AES-EBU) outputs. Analogue signals
connected to the mic input are routed through an
analogue mic-pre stage, before passing through an A/D
and entering the digital pre-amp convolution section.
The unique sonic characteristics of the selected pre-
amp replica are then applied to the signal. The signal
then passes through the compressor and EQ sections
(in that order, unless the EQ ‘Pre Comp’ switch has
been engaged – see page 7 for details). This processed
signal then routes to the digital output, and via the
D/A to the analogue output.
Analogue signals connected to the line input follow the
same signal path as above, but bypass the initial mic-
pre stage routing directly to the A/D. The pre-amp
type will be fixed at FLAT trfmr (transformer) whilst
the line input is selected on the front panel. Digital
signals connected to the digital input are routed
directly to the pre-amp convolution section. However
this can be bypassed – see ‘Pre-amp and Compressor
Select’ on page 5 for details.
ENGLISH
3
Rear Panel Connections
XLR Audio Inputs and Output
All 3-pin XLR audio connectors (MIC I/P, LINE I/P and
LINE O/P – from left to right above) are wired as
follows:
Pin 1: Screen/Chassis
Pin 2: Audio 0°
Pin 3: Audio 180°
AES Input and Output
The AES I/P and AES O/P XLR connectors provide
The Liquid Channelâ„¢ with AES-EBU format digital
input and output. See pages 11-15 for details of digital
applications and connectivity.
Wordclock Input and Output
The WORDCLOCK INPUT BNC connector allows
The Liquid Channelâ„¢ to be linked to an external
clock source. The WORDCLOCK OUTPUT BNC
connector allows The Liquid Channelâ„¢ to supply a
clock source to external equipment. See page 9 for
more details on synchronising The Liquid Channelâ„¢
to an external Wordclock source.
Dynamic Link Bus
The DYNAMIC LINK BUS connectors allow two or
more units to be linked together for stereo and multi-
channel applications, whereby one unit (the ‘master’)
will control the settings on multiple units. In addition,
if using multiple units in digital stereo pairs, the
dynamic link connectors also transmit digital audio
data between devices. The connectors are both RCA
(phono). See page 10 for more details on linking
multiple units.
USB
The USB connector allows The Liquid Channelâ„¢ to
be connected to a computer running the free
LiquidControlâ„¢ software, which allows remote
operation, download and archive management. See the
separate LiquidControlâ„¢ user guide, downloadable
from www.focusrite.com, for more information. For
remote operation at a greater distance (up to 45m),
contact Focusrite for information about purchasing a
USB to CAT5 (Ethernet) converter.
Front Panel Controls
Digital controls
The dials are all tactile rotary encoders, meaning that
they can be rotated infinitely and their relative value
will be displayed (except for the DATA wheel) by the
LEDs surrounding them. The exact numerical
parameter values can be seen on the large display
when active, in the centre of the front panel.
As all controls are digital, the settings can be saved
and recalled with ease, and edited from the
LiquidControlâ„¢ software application (please see the
separate LiquidControlâ„¢ documentation, available
from www.focusrite.com for details). N.B. The
hardware's onboard memory will store the last front-
panel settings to have been left standing on the unit
for over 10 seconds while powered up, while the unit
is turned off.


Product specificaties

Merk: Focusrite
Categorie: Niet gecategoriseerd
Model: The Liquid Channel

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