Focusrite Platinum OctoPre LE Optional CODEC Handleiding

Focusrite Niet gecategoriseerd Platinum OctoPre LE Optional CODEC

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ENGLISH
1
CONTENTS
CONTENTS ........................................................................................................... 1
IMPORTANT SAFETY INSTRUCTIONS........................................................... 1
INTRODUCTION................................................................................................. 2
REAR PANEL CONNECTIONS.......................................................................... 2
GETTING STARTED – A QUICK GUIDE .......................................................... 3
FACILITIES AND CONTROLS............................................................................ 3
DIGITAL CONVERTER OPTIONS..................................................................... 4
OPTIONAL DIGITAL CONVERTER FRONT PANEL CONTROLS............... 5
OPTIONAL DIGITAL CONVERTER REAR PANEL CONNECTIONS AND
SWITCHES............................................................................................................. 5
FREQUENTLY ASKED QUESTIONS ................................................................. 6
TROUBLESHOOTING ......................................................................................... 6
CONTACTING US ................................................................................................ 6
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.
• 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.
• Ensure adequate airflow around the unit to prevent overheating. We recommend
leaving a blank 1U panel above the unit to aid ventilation.
• 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 is provided for your safety. When the plug provided does not fit into your
outlet, consult an electrician for replacement of the obsolete outlet.
WARNING: THIS UNIT MUST BE EARTHED BY THE POWER CORD.
UNDER NO CIRCUMSTANCES SHOULD THE MAINS EARTH BE
DISCONNECTED FROM THE MAINS LEAD.
This unit is supplied with an external power supply dependant on the region in which
the OctoPre LE is purchased. To avoid the risk of fire, replace the mains fuse only
with the correct value fuse, as marked on the plug. The external power supply unit
contains no user serviceable parts. Refer all servicing to a qualified service engineer,
through the appropriate Focusrite dealer.
RACK VENTILATION: PLEASE ENSURE THE OCTOPRE LE IS PLACED
TOWARDS THE BOTTOM OF YOUR EQUIPMENT RACK, WITH
SUFFICIENT SPACE ABOVE AND BELOW FOR VENTILATION.
ENGLISH
2
INTRODUCTION
The OctoPre LE features eight channels of classic Focusrite preamplification based on
the popular Green Range. As well as eight analogue outputs, there is the option of a
digital converter card (CODEC), which both accepts and transmits digital audio in
either 44.1 or 48kHz 24-bit ADAT optical ‘lightpipe’ format. The optional
CODEC means that the OctoPre LE can also be used as a monitoring control between
the DAW and speaker system, for up to 7.1 surround monitoring.
The mic pres featured in the OctoPre LE have a circuit design based around the classic
Focusrite Green range and feature an extremely transparent sonic character with very
low distortion. They utilise the same full bandwidth philosophy of all Focusrite
products, ensuring detail and clarity without obvious colouration.
Eight balanced (although unbalanced can be used) 1/4” jack inputs are located on the
front panel for quick and easy access, the first two channels of which can be used for
DI-free plug-in of guitars and basses. Channels 1 and 2 also allow a microphone signal
(input using the rear panel XLR connections) the option of a lower impedance input,
should the microphone in use have a low output impedance (around 50 for example).
With classic Focusrite analogue circuit design and comprehensive A/D and D/A
interface options, OctoPre LE is the perfect partner for a digital audio workstation,
making high quality, multi-channel recording easy. Equally, it could be utilised as part
of a compact multi-channel location recording solution (with a laptop or ADAT, for
example), or as an additional set of professional-quality mic pres for any analogue or
digital console or hard disk recorder.
REAR PANEL CONNECTIONS
The OctoPre LE features eight microphone inputs on XLR connectors and eight balanced line outputs on 1/4” (TRS) jack connectors.
ENGLISH
3
GETTING STARTED – A QUICK GUIDE
1. Ensure that nothing other than the mains supply is connected to your OctoPre LE,
then switch it on via the POWER switch on the right hand side of the unit. If your
unit is permanently connected to a patchbay, ensure audio is not being fed to any
connected speakers to avoid any turn-on speaker pops.
2. Connect the analogue line outputs of the OctoPre LE to your recorder or audio
interface. If using the digital converter option, connect the OctoPre LE’s ADAT
output to the ADAT input of your recorder or audio interface. See page 4 for more
information on the OctoPre LE digital options.
3. Ensure that each channel’s LEVEL is set fully anti-clockwise.
4. Connect your input sources to the eight channel inputs as required. Microphones
should be plugged into the XLR MIC INPUTS on the rear panel. If you wish to
connect line-level sources, connect these to the LINE INPUTS on the front panel; this
will automatically switch off the corresponding microphone inputs. You may connect
an electric guitar or bass to the Line inputs on channels 1 and 2.
5. If using the INSTRUMENT INPUT on channel 1 or 2, ensure that the
corresponding INST switch is engaged. If using a MICROPHONE (XLR) INPUT
on the rear panel, ensure that nothing is connected to the corresponding LINE INPUT
on the front panel.
6. If using one or a number of condenser microphones that require phantom power,
activate the 48V ‘All On’ switch on the front panel. This will provide phantom power
to ALL microphones connected to the rear panel MIC INPUTS. If you are unsure as to
whether your microphone requires phantom power, refer to its user guide, as phantom
power will damage some microphones, most notably ribbon microphones or radio mic
receivers. NB Dynamic microphones will be unaffected by phantom power.
7. Increase the LEVEL control for each channel you wish to use, ensuring that the red
O/L LED does not illuminate. To visually monitor the incoming signal on a particular
channel, press the source switch beside the dBFS meter until the desired channel’s O/L
LED is lit (See METERING section below). It is advisable to set the incoming signal
to be an average of between -10 and -6dBFS.
8. If using microphones, ensure that the microphone placement is at its best. Before
you start recording, alter the microphone placement until you get as close as possible to
the sound you want. Note that moving the microphone may have an effect on the level
of the signal entering the OctoPre LE, requiring an alteration to the LEVEL setting.
FACILITIES AND CONTROLS
POWER
This switch turns the unit on. We recommend that the unit be powered up before
connecting to any equipment that it is feeding, to avoid clicks or thumps, which may
harm output devices. It is also a good idea to allow the unit to stabilise for a couple of
minutes before use to ensure that the internal circuitry is properly acclimatized.
LINE INPUTS
Line (and instrument for channels 1 and 2) inputs are provided on the front panel for all
eight channels via balanced 1/4” jack sockets. An unbalanced signal will be accepted for
all channels and expected for channels 1 and 2 when in instrument mode. Connecting a
jack plug into a front panel line input automatically cuts the corresponding mic XLR
input on the rear panel and selects an appropriate gain calibration for the level dial on
that channel.
INST (Switch) [CHANNELS 1 & 2 ONLY]
When engaged (in), the corresponding 1/4” jack front panel (line) input will accept an
unbalanced instrument signal and the gain dial for that channel will be calibrated to an
appropriate level.

Product specificaties

Merk: Focusrite
Categorie: Niet gecategoriseerd
Model: Platinum OctoPre LE Optional CODEC

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