Instrukcja obsługi Genelec 7040 APM

Genelec głośnik 7040 APM

Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Genelec 7040 APM (6 stron) w kategorii głośnik. Ta instrukcja była pomocna dla 11 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

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Genelec 7040A
Active Subwoofer
Operating Manual
7040A
Introduction
Congratulation and thank you for choosing
Genelec!
Since 1978, Genelec has been guided by
a single idea – to make perfect active moni-
tors that deliver neutral and accurate sound
in every kind of acoustical environment.
In Genelec’s quest for this ultimate goal,
our unrivalled commitment to research
and development has led us to continu-
ously develop innovative driver technol-
ogy, electronic circuitry, enclosure designs
and many more. Our design philosophy is
based on sustainability and environmental
values, where industrial design serves our
product acoustical performance.
Your Genelec product has been designed
and manufactured with care in our factory,
in Finland, using environmentally ecient
solutions to give you reliable operation
over many years.
Please take the time to read this manual.
Happy monitoring!
General Description
The Genelec 7040A is a very compact
active subwoofer for reproducing low fre-
quencies. The 7040A extends the bass
reproduction of Genelec 8010, 8020 and
M030 active monitors for stereo applica-
tions. Using the 7040A extends their fre-
quency responses down to 30 Hz (-6 dB).
Driver
The 7040A contains one 165 mm (6.5 in)
magnetically shielded driver, housed in
Genelec Laminar Spiral Enclosure
TM (LSETM).
Bass Management
Balanced XLR connectors are used for the
audio inputs and outputs. There are two
input connectors and two outputs.
The bass management unit in the 7040A
subwoofer splits the input into low and high
frequency components at 85 Hz. Frequen-
cies below 85 Hz are reproduced by the
subwoofer. Frequencies above 85 Hz are
directed via the subwoofer's output connec-
tors to the main monitors. The subwoofer's
outputs have the same level as the inputs.
The sub
woofer sensitivity can be
adjusted from +12 to -6 dBu to match the
subwoofer sound level easily with dierent
monitors.
Two "BASS ROLL-OFF" switches pro-
vide bass response adjustment to compen-
sate for the acoustical environment in three
2 dB steps. Two switches allow alignment
of subwoofer phase with the monitors. The
phase can be adjusted in 90 degree incre-
ments between 0° and -270°.
Amplifier
A Class D power amplifier produces 50
W output power with very low THD and
IM distortions. Driver overload protection
is included in the amplier circuitry. The
amplier also incorporates thermal over-
load and short circuit protections. The
power supply accepts mains voltages from
100 to 240 VAC.
ISSTM Autostart
The 7040A is equipped with Intelligent
Signal SensingTM (ISSTM) automatic start
function. ISS turns the amplier to standby
mode if no input signal has been detected
for one hour. The power consumption in
standby mode is less than 0.5 watts. Play-
back automatically resumes once an input
signal is detected.
There is a slight delay in the automatic
powering up. In those environments where
the 7040A is required to be on all of the
time, the ISS function can be disabled by
setting the “ISS DISABLE” switch to the
“ON” position. Then the subwoofer is con-
tinuously powered and can be turned o
using the power switch on the connector
panel. The default position from the factory
is with "ISS DISABLE" in the OFF position.
Installation
The subwoofer is supplied with a mains
cable and this operating manual. After
unpacking inspect the subwoofer for pos-
sible damage in transport. Ensure that the
subwoofer and the monitors are powered
o before connecting cables.
Genelec 7040A Active Subwoofer
>110 cm (43 in
)
Main
monitor
< 60 cm (24 in)
Figure 3. Recommended distances to
the front wall
Figure 1. 7040A's amplifier panel, connectors and controls.
Figure 2. XLR to RCA connector for
connecting to an unbalanced signal source.
Audio connections to the subwoofer
and monitors use balanced XLR cables
(not included in the subwoofer delivery
content). As the 7040A has an integrated
amplier, it may only be connected to a
line level signal source, such as a mixing
console or preamplier, never to the loud-
speaker outputs of a power amplier or an
integrated amplier.
The source is connected to the "LEFT
IN" and "RIGHT IN" connectors of the
subwoofer. The subwoofer’s output con-
nectors "LEFT OUT" and "RIGHT OUT" are
connected to the monitors.
If the signal source has unbalanced
RCA outputs, you can use signal cables as
shown in Figure 2.
Once all connections have been made, the
subwoofer and monitors can be powered up.
Positioning In The Room
Placement of the subwoofer in the room
aects the subwoofer frequency response
and sound level dramatically, as the room
influences the low frequencies strongly.
Even a slight change in the subwoofer's
location can make a marked dierence in
the frequency balance. Often patient and
methodical experimentation is needed to
nd the optimum placement. The placement
will also aect the phase alignment between
the monitors and the subwoofer, as well as
the need for bass roll-o adjustment.
First, place the subwoofer slightly oset
from the center of the front wall. The dis-
tance to the nearest wall should be less
than 0.6 m (24 in) measured from the sub-
woofer's driver. This position increases
acoustic loading and sound output due to
the proximity of the wall and oor. Too large
a distance from the wall can cause cancel-
lations and reduce subwoofer output. The
monitor should be placed at least 1.1 m (43
in) away from walls to avoid reduction of
low frequency output (see Figure 3).
If the subwoofer frequency response does
not seem balanced, move the subwoofer
slightly to the left or right. This changes
how the room modes are excited and can
result in improved atness. Positioning the
subwoofer close to a corner boosts the
subwoofer output but may cause asymmet-
rical spatial imaging at low frequencies.
Operating Environment
The 7040A subwoofer is designed for
indoor use only. The ambient temperature
should be 15-35 °C (50-95 °F) and the rel-
ative humidity 20-80 %. Condensation is
not allowed. If it has been stored or trans-
ported in a cool environment, the product
must be allowed to warm up in its packing
to the ambient temperature before con-
necting mains power.
Sufficient amplifier cooling and reflex
port functioning is required when the
MADE IN FINLAND
www.genelec.com
7040A ACTIVE SUBWOOFER
MAGNETICALLY SHIELDED
SERIAL
NUMBER
LEFT OUT
LEFT IN
RIGHT OUT
RIGHT IN POWER
ON
ROLL-OFF
-180°
-90°
-4 dB
-2 dB -270°
ISS-DISABLE
MAINS INPUT
50 / 60 Hz 70 W
100 - 240 V~
-6
0
+6
+3
+12
-3
-4
dBu
SENSITIVITY
FOR 100 dB
SPL @ 1m
SIGNAL INPUT
CONNECTORS
SIGNAL OUTPUT
CONNECTORS
BASS ROLL-OFF
PHASE AND
ISS DISABLE
SWITCHES
MAINS INPUT
POWER SWITCH

Specyfikacje produktu

Marka: Genelec
Kategoria: głośnik
Model: 7040 APM

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