Genelec 9301B Handleiding


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Genelec 9301B
Multichannel AES/EBU Interface
Operating Manual
9301B
Genelec 9301B Multichannel AES/EBU Interface
Introduction
Co ngratulations and thank y ou for
purchasing the Genelec 9301B multichannel
AES/EBU interface.
This manual addresses the setting up and
use of the Genelec 9301B multichannel AES/
EBU interface intended for use with 7300
Series subwoofers.
73xx Smart Active Monitoring (SAM)
subwoofers have one AES/EBU digital
input. The 9301B expands that digital audio
connectivity to 16 channels, to create, for
example, a 9.1.6 configuration including
the additional low frequency eects (LFE)
channel.
Genelec's energy-saving Intelligent Signal
Sensing (ISS) function automatically puts
the 9301B into a power-save state when no
AES/EBU input signal is present. The waiting
time before activation can be configured
using Genelec Loudspeaker Manager (GLM)
software. When ISS is on your monitoring
system will remain ready for action and the
9301B will consume less than 0.5 watt of
power. The interface will wake up and switch
to normal operating mode when it senses an
AES/EBU input signal.
This 9301B is supplied with:
• Mains cable
• 5 m GLM network cable
• Operating manual
Installation
We strongly recommend switching off/
disconnecting mains power from all system
devices before connecting signal cables.
Connections
The mains input supports a wide voltage
range (100-240 VAC, 50-60 Hz). If the mains
power is provided by a generator, inverter or
a low-quality UPS device, we recommend
using a harmonic filter to reduce the
unwanted harmonic distortion.
The digital audio inputs for AES/EBU
digital audio both use DB25 connectors.
If the LFE channel is in use, the interface
channel and subframe carrying the LFE
signal is assigned by the user in GLM.
The digital audio output for the monitors
uses one DB25 connector to deliver 16
channels of AES/EBU format audio. The
output signals are bit-to-bit copies of the
digital input signals, so the outputs retain the
original signal quality without modication.
When used, the LFE signal is output through
the same DB25 connector, meaning that
the LFE channel content is available for any
device connected to this output.
The digital audio output for the subwoofer
is a single male XLR connector, which uses
an AES/EBU cable to carry the sum of all
the main channel inputs over one AES/EBU
subframe and the LFE channel, if used, over
the other AES/EBU subframe. A GLM Kit
and Genelec Loudspeaker Manager (GLM)
software is required in order to use the
9301B with 7300 Series subwoofers.
The AES/EBU output on 7300 Series
subwoofers enables the daisy-chaining of
additional SAM subwoofers to increase
the capacity of the system's low frequency
acoustic output (SPL). To make this possible,
GLM software will align the playback of the
complete subwoofer system with the rest of
the monitoring system.
The 9301B includes two GLM Network
connectors for management using Genelec
Loudspeaker Manager (GLM) software.
Input cabling
Digital Audio Workstations and other
professional digital audio sources frequently
offer DB25 connectors using AES59
standard compatible pinouts for digital
audio. These typically feature four inputs
and four outputs, delivering up to 8 channels
of digital audio in and 8 channels of digital
out. This pinout is also known as the Tascam
digital audio pinout. The AES59 standard
also offers a configuration to deliver 16
channels of digital audio in one direction,
used in the output DB25 connector of 9301B
(see 'Output cabling' section below).
The 9301B uses two AES59 compatible
DB25 connectors for input, each receiving
up to 8 channels of digital audio from the
digital audio source, typically connected with
DB25-to-DB25 cables connecting the audio
source digital outputs to the receiving device
Figure 1. The principle of connecting the 9301B
Figure 2. Functional block diagram of the 9301B and the sample rate converter (SRC)
GLM ADAPTER
= AES/EBU DIGI L CABLINGTA
= GLM NETWORK CABLING
AUDIO SOURCE
MAINS INPUT
AES IN 14 AES IN 58 AES OUT 18
SUBWOOFER
LINK
AES OUT
DIGITAL
OUT
DIGI LTA
IN
DIGI LTA
IN
GLM
NETWORK
AES IN 58 AES IN 14
AES OUT 18
digital inputs (see Fig. 3). Please check for
this specically when purchasing the cable.
If you'd also like to access the incoming
digital audio lines on your audio source's
DB25 connectors, a combination of two
break-out cables oering XLR connectors
can be used between your audio source
and each 9301B DB25 input. This makes
the audio source device's DB25 connectors
available for incoming connections and this
is also a safe choice as you will always have
the possibility to connect specic outputs at
the digital audio source to the digital audio
inputs in 9301B. For example, Avid cable
type DigiSnake DB25-XLR M+F AES/EBU is
suitable for this.
Output cabling
The AES59 standard oers a conguration
to deliver 16 channels of digital audio in
one direction. This is in the output DB25
connector of 9301B. The audio output
Figure 3. Digital audio input cable
pin-out.
Figure 4. Digital audio output cable
pin-out.


Product specificaties

Merk: Genelec
Categorie: Niet gecategoriseerd
Model: 9301B

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