Genelec 8341A Bruksanvisning

Genelec Övervaka 8341A

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8341A
Smart Active Monitor
Operating Manual
操作手册
2
Introduction
Thank you for choosing a Genelec product! Fulfilling dreams by
offering people the most truthful sound reproduction possible
has been the source of our enthusiasm since 1978. There´s
already over one million Genelec monitors around the world -
welcome to our story!
All Genelec monitors are designed, hand assembled and
tested at our factory in Iisalmi, Finland. Our monitors are designed
to last for decades and we take care that our customers receive
excellent support and technical services throughout the life-time
of the products.
Please register your monitor at http://www.community.
genelec.com/. You will receive an extended 5 year warranty
for spare parts. For more information about our service and
technical support see
http://www.genelec.com/customer-service.
System Characteristics
Each 8341A is supplied with one mains power cable, one
5-meter GLM network cable and this operating manual.
The Genelec 8341A is suitable for professional monitoring
applications calling for very high precision and reliability.
It combines many remarkable Genelec technologies to
provide point source benefits with directivity control over an
extraordinarily wide audio bandwidth.
Genelec Loudspeaker Manager™ (GLM™)
Software And GLM User Kit
The GLM software gets the most out of 8341 and tailor-fits it to
your room. GLM is available for download free of charge at www.
genelec.com/glm. Check in from time to time to take advantage
of new features, or consider using the cloud-based version. A
GLM User Kit comprising the necessary hardware, including the
GLM Adapter and measuring microphone is needed for building
and operating the GLM network. This kit can be purchased at all
certified Genelec dealers.
Minimum Diffraction Coaxial (MDC™)
The minimum diffraction coaxial driver is comprised of a powerful
midrange driver combined with a tweeter driver extending to
ultrasonic frequencies. This unique arrangement eliminates or
minimizes acoustic diffraction sources that typically exist in
coaxial drivers and produces a flat frequency response both on
the acoustical axis and at all off-axis directions.
The 8341 may be oriented either horizontally or vertically and
is intended for near-field listening where the influences of the
room can be mostly minimized. Typical distances can vary from
1 meter or less to 3 meters depending on room size and SPL
requirements.
Directivity Control Waveguide (DCW™)
The 8341A has an unusually large directivity control waveguide
extending over the whole front face of the enclosure. The
midrange driver cone also forms a part of the directivity control
waveguide for the tweeter. From behind the waveguide, two
woofers radiate audio through two openings in the enclosure
front. This unique design enables directivity control of all audio
frequencies down to low bass.
Acoustically Concealed Woofers (ACW™)
A pair of nearly invisible woofers in the 8341A are placed acoustically
coaxially with the midrange/tweeter drivers to create a three-way
system with all drivers having their acoustical axes in the same
position. This creates an ideally working point source radiator.
Smart Active Monitor (SAM™)
Genelec SAM technology can improve the reliability and accuracy
of monitoring. Smart Active Monitors have several parametric
notch and shelving filters that can be tuned automatically using
the Genelec Loudspeaker Manager (GLM) software to exactly
compensate for colorations generated by room acoustics. This
enables SAM monitors to sound neutral and achieve accurate
stereo imaging in all acoustical environments.
Audio Inputs
The 8341A’s audio inputs are designed to integrate easily into all
professional environments, supporting balanced line level analog
and AES/EBU format digital signal. The maximum analog input
level is +25 dBu (13.7 Vrms or 19.5 V peak). Set to the maximum
sensitivity, an analog input signal of -6 dBu produces 100 dB SPL
sound level at 1 meter in free space. A -30 dBFS digital audio
input level produces 100 dB SPL level at 1 meter in free space.
Note that 0 dBFS refers to the largest possible digital input value.
Analog input is selected when the AES/EBU signal input is not
connected. The AES/EBU format digital audio input is selected
automatically when a valid digital audio signal is present. Please
note that this digital audio signal may be silence. This automatic
audio signal input selection can be overridden when the 8341A
is controlled with the GLM network, enabling flexible selection of
either input.
When using a digital audio source with adjustable level, it
may instead be advantageous to lower the output level of the
8341A using the monitors on-board rear panel controls. This
enables the use of a higher source output level with more digital
resolution, while taking full advantage of 8341’s impressively low
self generated noise.
The AES/EBU input supports two channels of audio in a single
cable. The DIGITAL OUT male XLR connector carries an unaltered
copy of the digital input signal. This enables daisy-chaining of up
to four monitors. The proper digital channel can be selected using
DIP switches or GLM.
Power Management
The 8341A mains power input supports any mains voltage globally
(100-240 VAC, 50-60 Hz). It can be plugged in anywhere in the
world and will always deliver the maximum output power to the
drivers even when the mains voltage fluctuates. If mains power is
provided with a generator, inverter or lower-quality UPS device, we
recommend filtering out harmonics from the mains power voltage.
The energy saving function Intelligent Signal Sensing (ISS™)
puts the monitor automatically into a deep sleep state when
no input signal is present. The device then consumes less than
one watt of power. Upon sensing an input signal, the monitor
automatically awakens. The wait time until entering the power
saving state can be configured using the GLM software. When
ISS is active, you can leave your monitors on at all times and have
the monitoring system immediately ready for action. The default
wait time when ISS is enabled using the ISS DIP switch is 60
minutes.
3
Setup Using The
GLM™ Control Network
Although the 8341A can be used without the GLM software and
control network, it can only reach its full potential when set up
and calibrated using GLM software, running on a Mac or PC.
Genelec therefore recommends setting up the 8341A
and other SAM monitors using GLM. You can find a detailed
description of the setup and the use in the GLM System
Operating Manual.
The GLM software and the proprietary Genelec monitor
control network offer automated acoustic equalization and
alignment for any reproduction system from mono over stereo
to complex 3D immersive audio setups, including also one or
more subwoofers. GLM includes AutoCal, an expert algorithm
built on data from thousands of professional listening rooms.
Setup with the GLM User Kit consists of the following steps:
1. Connect a CAT5 (RJ45) cable between each monitor (and
subwoofer) and finally to the control network input of the
GLM Adapter device (see Figure 1).
2. Connect the GLM Adapter device to computer USB connector.
3. Using a microphone stand, place the Genelec measurement
microphone at the listening location with the microphone
pointing upwards and the microphone top at the height of
the engineer’s ear. The microphone is a part of the GLM
User Kit.
4. Connect the microphone cable to the microphone input in
the GLM Adapter device.
5. Download the GLM software at the Genelec web site (www.
genelec.com). Install the GLM software and follow the
MICROPHONE
PLACED IN
THE LISTENING
POSITION
292-0063
GLM T ERMINA RT O
COMPUTER
RUNNING
GLM SOFTWARE
USB CABLE
GLM ADAPTER
GLM NETWORK
CABLE
MONITORS
SUBWOOFER
ANALOG
IN
DIGITAL T HRU
AES/EBU
DIGIT AL I N
AES/EBU
MADE IN FINLAND
8341A
SERIAL NUMBER
www.genelec.com
GLM
NET WORK
MAINS INPUT
50 / 60 Hz 2 00 W
100 - 240 V~
29 832- 50T-6
Thi s device complies
with F CCPart 1 5 and
Canadi an ICES-003
radio frequen cy
Class B emiss ion
requi remen ts. Refer
to operatingmanu al
for fulli nformation.
BASS ROLL-OFF
LED DISABLE
BASS T ILT
A
- 20 dB
B
- 2
- 4
- 2
- 4
ON
OFF
STORED
(dB)
- 10 dB
RESET YTO FACTOR
SETT INGS: PUSH
BUTT FOON R 10 SEC
LEVEL
DIGITAL
TREBLE TILT +2
- 4
DESKT OP 160 Hz - 4
(dB)
20 160
+2
-2
-4
dB
-6
0
4k 20k
BAS S
TILT
800
BAS S
ROLL-OFF
DES KTOP
ALL OFF
TREB LE
TILT
Frequency (Hz )
INPUT dBu
PRODUCING
100 dB SPL( 1 m)
ISS
-2
+4
+2
-4
-6
+6
dBu
0
COAXIALT RI- AMPLIFIED
SMART ACTIVE MONITOR
DIP SWITCHES FOR
STAND-ALONE USE
ROTARY LEVEL
CONTROL
POWER
SWITCH
AUDIO SIGNAL
CONNECT
ORS:
-DIGITAL IN
-DIGITAL THRU
-ANALOG IN
MAINS
INPUT
GLM NETWORK
CONNECTORS

Produktspecifikationer

Varumärke: Genelec
Kategori: Övervaka
Modell: 8341A

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