Instrukcja obsługi Genelec W371A

Genelec głośnik W371A

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W371A
SAM Woofer System
Operating Manual
2
Introduction
Thank you for choosing Genelec! 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!
Genelec monitors are designed to last. They are hand-built
in Iisalmi, Finland, using certified sustainable methods. They
are individually tested and calibrated and have long support for
spare parts. They are designed for low power consumption, in
use and during automatic standby.
Please register your monitor at
http://www.community. genelec.com/.
By registering you receive an extended three-year warranty
for spare parts in addition of the standard two-year warranty for
parts and labour. For more information about our service and
technical support, please visit
http://www.genelec.com/customer-service.
System Characteristics
The Genelec W371A is an advanced low frequency loudspeaker
system with novel signal processing enabling variable acoustic
radiation of low-frequency audio.
The W371A is suitable for professional monitoring
applications calling for very high acoustic precision and
reliability. They combine with The Ones monitors, offering many
remarkable Genelec technologies to provide point source audio
benefits with directivity control over an extraordinarily wide
audio bandwidth.
The W371A offers steerable acoustic directivity at low
frequencies, enabling the user to select the low frequency
directivity characteristics optimal for the combination of his/her
listening room characteristics, and loudspeaker and listening
locations. The W371A is unique in that it enables a flat and
neutral frequency response at low frequencies in acoustically
challenging rooms when placed at locations typically resulting
in significant acoustic notching (cancellations) at certain
frequencies.
The W371A is not a simple traditional subwoofer. It is an
adaptive low frequency loudspeaker system, offering much
wider operating frequency range and much better envelopment
than subwoofers. Using the W371A can preserve stereo imaging
at the low frequencies.
The W371A is intended to be placed under or very near the
main monitor it is combined with. Frequently, W371A is used in
a free-standing position where the loudspeaker and the W371A
are placed at some distance from acoustically hard walls.
The W371A is comprised of two woofer units. The top woofer
unit is a closed box woofer system and the bottom unit is a bass
reflex ported woofer system. Each unit is driven by its dedicated
400 W amplifier and controlled by a digital signal processing
unit. For more details, see the functional block diagram in this
document.
The benefits of the W371A are fully realized after performing
an acoustic calibration with the monitor paired with it. This
calibration is provided using Genelec’s GLM software.
One W371A is used with one main monitor.
Using the Genelec GLM loudspeaker management software,
W371A output is matched with the monitor by taking acoustic
measurements at the listening location. After this, the W371A
becomes an integral extension of the monitor, expanding the
frequency range coverage and increasing the maximum SPL
and dynamic capacity of the monitor. W371A works with
Genelec 8341A, 8351B and 8361A coaxial “The Ones” three-
way monitors, allowing ideal point-source monitoring also
at large listening distances, outside the traditional nearfield
monitoring range.
Packing Content
Each W371A is supplied with a GLM User Kit, one mains power
cable, one 5-meter GLM network cable and this operating
manual.
Operational Modes
The W371A can radiate low frequencies in several different
ways. The most suitable mode depends on application, room
and requirements for the size of the sweet spot.
The user can select and run the setup of W371A in all the
modes and audition to determine the preferred mode for his
situation.
To indicate the quality of the final alignment, GLM software
displays a flatness score and a correlation score after the
calibration. These scores can be used to gauge the best
choice for the operational mode given the system placement
in the room. However, subjective evaluation by listening to the
calibrated system is highly recommended in order to evaluate
the final setup choices.
The operating modes are:
Complementary mode where the two woofers operate
independently to implement a flat frequency response; this is
the default operating mode.
Figure 1. The W371A construction with a 8351B monitor
Closed box
woofer system
Reflex box
woofer system
3
Crossover Signal
processing
Phase
align
Infrasound
protection
Overload
protection
GLM
Level
and
optional
gain
Power
amplifier
Link out
Analogue in
Woofer
driver and
enclosure
Link out
Digital in
Crossover Signal
processing
Phase
align
Infrasound
protection
Overload
protection
GLM
Level
and
optional
gain
Power
amplifier
Woofer
driver and
enclosure
Directive mode uses the two woofers simultaneously to
create continuous directivity matching with The One three-
way coaxial monitoring loudspeaker; this mode enables the
system to maintain constant directivity down to very low bass
frequencies.
Null-steering modes use the two woofers simultaneously
to enable a directive mode where the direction of minimum
output (null) is set toward a problematic orientation in the
room – enabling this mode reduces back wall, side wall or floor
reflections.
Genelec Loudspeaker Manager™ (GLM™)
Software and GLM User Kit
The GLM software gets the most out of the W371A and tailor-
fits it to your room. Genelec recommends always using the GLM
software to set up a W371A.
GLM is available for download free of charge at www.
genelec.com/glm. Check in from time to time or consider using
the cloud-based version to take advantage of new features.
A GLM User Kit comprising the necessary hardware, including
the GLM Adapter and measuring microphone is needed for
setup as well as managing and operating the GLM network. The
GLM Kit is included with the W371A.
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. The W371A
extends the SAM capability at low frequencies.
Audio Inputs
The audio inputs on the W371A integrate with all professional
environments, supporting balanced line-level analog audio and
AES/EBU digital audio. 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 a 100 dB SPL sound
level at one meter in free space. A -30 dBFS digital audio input
level produces a level of 100 dB SPL at one meter in free space.
Note that 0 dBFS refers to the largest possible digital input
value.
The ANALOG OUT male XLR connector carries an unaltered
copy of the analog input signal and is intended for connecting to
the paired main monitor when analog audio is used.
Figure 2. Connectors and controls on the back panel of the
W371A
Figure 3. Connector panel detail
GLM
NETWORK
DIGI NTALI
AES/EBU DI GITALTHRU
AES/EBU ANALOG
THRU ANALOG
IN
RESET T O FACTORY
SETT INGS: PUSH
BUTTONFOR1 0
SEC
Thisdevice co mplies withFCC Part15 andCanadian ICES 003
radiofrequency Clas s Bemissionrequirem ents eferto.R
operatingmanual for fullinformation.
MADE IN
FINLAND
SERI AL NUMBER
www.genelec.c om
W371A
WARNING: ELECTRICSHOCK HAZARD. DO NOTOPEN NOT SUBJECT. D O
TO WATER OR MOISTURE. NO USERSE ICEABL ART SINSIDE EFERRV E P . R
SERVICING QUALIFIED PERSONNEL SEEARTHEDMAINS CONNECTIOTO . U N
ONLY.
AVERT ISSEMENT RISQUEDE CHOC LECTRIQUEÉ . NE PASOUVRIR. NE
PAS E XPOSE L'EAUOU UCUNCOMPOSANRÀ L'HUMIDITÉ. A T À
L'INTÉRIEURREMPL ABLEAÇ PAR L'UTILISATEUR.ADRESSER OUTT E
RÉ À ÉPARATION UNPERSONNEL QUALIFI . CETAP REILDOI T RPA T Ê E
RACCORD LATERREÉÀ .
LAIT E ON LIITETT SUOJAKOSKETTIMILLA RUSTET T UUNPISTORASIAAN.ÄVÄ VA
APPARATET T ILKOPLEMÅ S JORDE T IKKONTAKTT S .
APPARATENSKAL NSLULA TAS T ILLJORDA T TAGT U .
APPARATETS ST IKPROPS KALTILSLUTTES ENS T IKKONTAKTME ORDD J
SOM GIVER FORBINDELSETI TIKPROPPENL S S JORD.
Connector panel:
- Mains power
- GLM Network
- Digital In
- Digital Thru
- Analog Thru
- Analog In
- ON/OFF switch
Figure 4. Functional block diagram of the W371A

Specyfikacje produktu

Marka: Genelec
Kategoria: głośnik
Model: W371A

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