LD LAX8D Manual de usuario
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LD LAX8D
8 CHANNEL MIXER WITH DSP
USER´S MANUAL
BEDIENUNGSANLEITUNG
MANUEL UTILISATEUR
MANUAL DE USUARIO
INSTRUKCJA OBSŁUGI
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Thank you for choosing LD-Systems!
We have designed this product to operate reliably over many years. Therefore LD-Systems guarantees for high
quality products with its name and many years of experience as a producer.
Please, take a few moments to read these instructions carefully, as we want you to enjoy your new LD-Systems
products quickly and to the fullest.
For information about LD-Systems check out our website WWW.LD-SYSTEMS.COM
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LD LAX8D
8 CHANNEL MIXER WITH DSP
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1. Please read the attached safety instructions as well as the following instructions carefully.
2. Please keep all the instructions.
3. Please use the device only as intended.
4. Please respect the valid waste management rules. Please deliver the packaging divided into plastic and
paper/ cardboard to the recycling management.
5. Please refer all servicing to qualified personel only if the device is damaged, exposed to liquid/rain or if it does
not operate normally.
6. Please, do not expose to any kind of heat such as ovens, radiators, or any other devices (incl. amplifiers).
Please check for enough distance between amplifiers and walls, racks, etc. to prevent overheating.
7. After connection please check the wiring to prevent any kind of accident or damage.
Please never use any kind of damaged cable and wiring.
8. Only use authorized and stable stands, brackets, shelfs, tables etc.. for installations. Please check for
adequate stability against collapse.
CAUTION:
To reduce the risk of electric shock, do not remove cover (or back). No user serviceable parts inside. Refer
servicing to qualified personnel.
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the
user to the presence of uninsulated “dangerous voltage” within the product´s enclosure that may be
of sufficient magnitude to constitute a risk to persons.
The exclamation mark within an equilateral triangle is intended to alert the user to the presence of
important operating and maintenance (servicing) instructions in the literature accompanying the
appliance.
CAUTION
RISK OF ELECTRIC S HOCK
DO NOT O PEN
PREVENTIVE MEASURES:
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FEATURES:
The 8-Channel Mixing Console is designed for professional application. It will provide the following features:
• 4 MIC Input Channels with gold plated XLRs and balanced Line Inputs.
• 24-bit DSP effect built in.
• 2 Stereo Input Channels with balanced TRS Jacks.
• Ultra-low noise discrete Mic Preamps with +48V Phantom Power.
• 2 additional multi-functional Stereo Line Inputs.
• Extremely high headroom offering more dynamic range.
• Balanced Inputs for highest signal integrity.
• Warm , natural 3-band EQ on each channel.
• Peak LEDs and switchable low-cut Filter on each Channel.
• 2 AUX Sends per channel for external effects and monitoring.
• Balanced TRS and XLR outputs , Control Room and Headphone Outputs.
• 2-Track Inputs assignable to Main Mix , Control Room / Headphone Output.
• Highly accurate 12 segment Bar graph Meters.
• Inserts on MIC channels.
• Performance and excellent noise gures
• Rugged construction ensures long life even under the most demanding conditions
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READY TO START:
Please check the AC voltage available in your country before connecting your mixer to the AC socket.
Be sure that the main power switch is turned off before connecting the mixer to the AC socket. Also, you should
make sure that all input and output controls are turned down. This will avoid damage to your speakers and avoid
excessive noise.
Always turn on the mixer before the power amplifier; turn off the mixer after the power amplifier.
Before connecting and disconnecting the unit from the power source always turn off the unit.
Do not use solvents to clean your mixer. A dry and clean cloth will be OK.
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CONTROL ELEMENTS:
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CONTROL ELEMENTS:
1MONO MIC/LINE CHANEL
These are channel 1~4. You can connect balanced, low impedance microphones
or a low level signal to the XLR socket. On the 1/4“ phone jack you can connect
either a microphone or a line level instrument such as synthesizers, drum
machines, effect processors or any other line level signal.
Note: You shall never connect an unbalanced microphone to the XLR socket if
you do not want to damage both the microphone and the Mixer. Also, it is not
possible to simultaneously use both the MIC & LINE inputs on the same channel,
use only one of them for the appropriate source on each channel.
PHANTOM POWER +48 Volts
It is available only on the XLR input sockets.
Do not connect non-phantom equipment to the MIC input when phantom power
is on.
2INPUT LEVEL SETTING
This control is provided with 2 different indication rings: one is for the MIC input
and the other for the LINE input. When you use a MIC input you shall read the
OUTSIDE ring (0~40dB); when you use a LINE input you shall read the INSIDE
ring (+15~-25dB). For optimum operation you shall set this control in a way that
the PEAK LED will blink only occasionally in order to avoid distortion on the input
channel.
3LOW CUT SWITCH
By pressing this button you will activate a 75Hz low frequency lter with a slope
of 18dB per octave. You can use this feature to reduce the hum noise caused by
the mains power supply, or the stage rumble while using a microphone.
4STEREO INPUT (CH5~CH8)
They are organized in stereo pair and provided with 1/4“ TRS sockets. Use the left input to connect a mono
input signal to the STEREO INPUT-this way the signal will appear on both left & right sides. This trick is called
„jack normalling“.
LINE IN 1
BAL OR
UNBAL
LINE
MIC
+15dB -25dB
0dB 40dB
LOW CUT
75Hz 18dB/Oct
MIC 1
1
2
3
LINE IN 5/6 LINE IN 7/8
LEFT(MONO)
RIGHT RIGHT
LEFT(MONO)
4
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53-BAND-EQUALIZER
HI
This is the treble control. You can use it to get rid of high frequency noises or to
boost the sound of cymbals or the high harmonics of the human voice.
The gain range goes from -15dB to +15dB with a center frequency of 12kHz.
MID
This is the midrange control. It can affect most fundamental frequencies of all
musical instruments and human voice. An attentive use of this control will give
you a very wide panorama of sound effects. The gain range goes from -12dB to
+12dB and the center frequency is 2.5kHz.
LOW
This is the bass control. It is used to boost male voice, kickdrum or bass guitar.
The gain range goes from -15dB to +15dB and the center frequency is 80Hz.
6AUX-CONTROL
These two controls are used to adjust the level of signal sent to AUX bus 1&2,
and this adjustment doesn‘t affect the main mix output signal at all.
AUX1 is congured as PRE fader, the signal is sent out before the channel fader
and will not be affected by the channel fader, AUX2 is congured as POST
fader, the signal is sent out after the channel fader and will be affected by the
channel fader. However, it can also be configured as PRE fader through internal
modification.
7PAN
This is the PANORAMA control, or balance control. You can adjust the stereo
image of the signal via this control. Keep this control in center position and your
signal will be positioned in the middle of stage. Turn this control fully counter-
clockwise and the signal will be present only on the left speaker and vice-versa.
8PEAK-LED
Inside your 8-Channel Mixing Console the audio signal is monitored in several
different stages and then sent to the PEAK LED. When this LED blinks, it warns
you that you are reaching signal saturation and possible distortion. The PEAK
LED will blink with a level that is 6dB before actual clipping.
9LEVEL
This fader will adjust the overall level of this channel and set the amount of signal sent to the main output.
10 MAIN MIX LEVEL
This fader is used to set the amount of signal sent to the MAIN MIX OUTPUT and TAPE OUT.
CONTROL ELEMENTS:
¡
10
dB
-5
-10
-15
-20
-30
-40
-60
0
5
HI
12kHz
EQ
+15
0
-15
PAN
L R
2
POST
(PRE)
8
-
0
+15
DFX
0
+15-15
0
+12-12
LOW
80Hz
MID
2.5kHz
AUX
10
+15
8
-
PRE
PEAK
1
5
6
7
8
9
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CONTROL ELEMENTS:
11 PHONES/CONTROL ROOM
This fader sets the amount of signal sent to
the CONTROL ROOM OUTPUT and PHONES.
12 2-TRACK SIGNAL PATH
If you push down the 2TK TO CONTROL
ROOM button, the 2 TRACK IN signal will be
routed into the CONTROL ROOM OUTPUT
and the level will be adjusted by the
PHONES/CONTROL ROOM knob.
If you push the 2TK TO MIX button the 2
TRACK IN signal will be routed into the MAIN
MIX OUTPUT and will be adjusted by the
MAIN MIX LEVEL knob.
Note: you can push down these two buttons
simultaneously, the 2 TRACK IN signal will be
rounted into both CONTROL ROOM OUTPUT
and MAIN MIX OUTPUT, and the level of two
output signals will be adjusted by respective
control knob.
13 OUTPUT LEVEL LED DISPLAY
This stereo 12 segments LED meter will indi-
cate the level of overall output signal.
14 AUX RETURN CONTROL
This switch routes the signal that is present
at the AUX RETURN 2 jacks to AUX 1 output
so that the effect can be heard in the
monitor mix.
15 EFX TO AUX
These two controls adjust the level of the
signal present at the AUX RETURNS 1&2
jacks. The signal is summed, or mixed into
the main L/R mix bus.
16 PHANTOM-LED
This LED indicates when the Phantom Power
is switched on.
10
dB
-5
-10
-15
-20
-30
-40
-60
0
5
-2
0
-4
-7
-10
-20
+2
-30
OUTPUT LEVEL
LR
CLIP
+10
+7
+4
PWR
PHANTOM
DFX MUTE
PEAK/MUTE
PROGRAM (PUSH)
AUX RTN 1
8
-
0
+15
2
AUX RTN 2
8
-
0
+15
EFX TO AUX 1
1
DFX
MAIN MIX
CONTROL ROOM
2TK TO
00-09 Echo
10-19 Echo+Verb
20-29 Tremolo
30-39 Plate
40-49 Leslie
FUNCTION
50-59 Vocal
60-69 Rotary
70-79 Small Room
80-89 Flange+Verb
90-99 Large Hall
10
dB
-5
-10
-15
-20
-30
-40
-60
0
5
MAIN MIX
LEVEL
PHONES
CONTROL ROOM
8
8
1011
12
13
15
14
17
16
20 21
1918
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