LD LAX 502 User manual

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LD LAX SERIES
502 / 602
MIXING CONSOLE
USER´S MANUAL
BEDIENUNGSANLEITUNG
MANUEL D´UTILISATION
MANUAL DE USUARIO
INSTRUKCJA OBSŁUGI
MANUALE D‘USO

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Thank you for choosing LD-Systems!
We have designed this product to give you reliable operation over many years. Therefore LD-Systems underwrites
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.
Further information about LD-Systems check our website WWW.LD-SYSTEMS.COM

LD LAX SERIES
502 / 602
MIXING CONSOLE
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PREVENTIVE MEASURES:
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.
9. Appearance of interferences when using wireless systems.
The simultaneous use of wireless microphones and of mobile phones (if both devices are not very distant from
each other) can lead to the appearance of interferences in the microphone signal which can be heard in the
PA system.
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! HIGH VOLUME!
You will operate this transmission system for professional use. Therefore the commercial use of this equipment
is liable to the rules and regulations of the Accident Prevention & Insurance Association of your industry sector.
Adam Hall as a manufacturer is bound to inform you formally about the existence of eventual sanitary risks.
This system is able to induce an acoustic pressure of 80 db. 85 db is by law the maximum audio pressure level
which your ear can be exposed to during a work day. It was set according to the technical expertise of the
occupational medicine as a basis for the noise rating level. Higher sound levels or longer exposition times could
damage your ear. The time of exposition by higher sound pressure levels should be shortened in order to prevent
from ear damages. Here are a few reliable warning signals which show that you have exposed yourself for a too
long period to excessive sound pressure levels:
- You hear bell- or whistling sounds!
- You have the impression that you can’t hear high tones anymore!
CAUTION
RISK OF ELECTRIC S HOCK
DO NOT O PEN

INTRODUCTION:
Congratulations! In purchasing the LAX 502/602 you have acquired a mixing console whose small size belies its
versatility and audio performance.
With the microphone preamps including phantom power as an option. Balanced line input and a powerful effects
section. The mixing consoles in the LAX Series are optimally equipped for live and studio applications. Owing to
state-of-the-art circuitry your LAX console produces a warm analog sound that is unrivalled. The microphone
channels feature high-end LAX Mic Preamps that compare well with costly outboard preamps in terms of sound
quality and dynamics and boast the following features.
-130 dB dynamic range for an incredible amount of headroom
-A bandwidth ranging from below 10 Hz to over 20 KHz for crystal-clear reproduction of over the finest nuances
-The extremely low-noise and distortion-free circuitry guarantees natural and transparent signal reproduction
-They are perfectly matched to every conceivable microphone with up to 60 dB gain and +48 volt phantom
power supply
-They enable you to use the greatly extended dynamic range of your 24-bit / 192 kHz HD recorder to the full.
Thereby maintaining optimal audio quality
The equalizers used for the LAX Series are based on the legendary circuitry of top-notch consoles made in
Britain, which are renowned throughout the world for their incredibly warm and musical sound character. Even
with extreme gain settings these equalizers ensure outstanding audio quality.
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FUNCTIONS / OPERATION:
GENERAL MIXING CONSOLE FUNCTIONS
A mixing console fulfils three main functions:
-Signal processing: Preamplification, level adjustment, mixing of effects. Frequency equalization.
-Signal distribution: Summing of signals to the aux sends for effects processing and monitor mix, distribution to
one or several recording tracks, power amp(s), control room and 2-track outputs.
-Mix: Setting the volume level, frequency distribution and positioning of the individual signals in the stereo field,
level control of the total mix to match the recording devices/crossover/power amplifier(s). All other mixer func-
tions can be included in this main function.
INITIAL OPERATION
Be sure that there is enough space around the unit for cooling purposes and to avoid over-heating please do
not place your mixing console on high-temperature devices such as radiators or power amps. The console is
connected to the mains via the supplied cable. The console meets the required safety standards.
-Never connect the LAX to the power supply unit when the latter is connected to the mains! First connect the
power supply unit to the console, then connect the power supply unit to the mains.
-Please note that all unit must be properly grounded. For your own safety, you should never remove any ground
connectors from electrical devices or power cables, or render them inoperative.
-Please ensure that only qualified people install and operate the mixing console.
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CONTROL ELEMENTS:
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
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CONTROL ELEMENTS:
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
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22
23
26
24
25

CONTROL ELEMENTS:
1MIC
Each mono input channel offers a balanced microphone input via the XLR connector and also features swit-
chable +48 V phantom power supply for condenser microphones. The LAX preamps provide undistorted and
noise-free gain as is typically known only from costly outboard preamps.
2LINE IN
Each mono input also features a balanced line input on a 6.3 mm Jack connector. Unbalanced devices (mono
jacks) can also be connected to these inputs.
3TRIM
Use the TRIM control to adjust the input gain. This control should always be turned fully counterclock wise
whenever you connect or disconnect a signal source to one of the inputs.
The scale has 2 different value range: the first value range (+10 to +60 dB) refers to the MIC input and
shows the amplification for the signals fed in there.
The second value range (+10 to -40 dB) refers to the line input and shows its sensitivity.
4EQ
All mono input channels include a 3-band equalizer (2-band equalizer LAX 502). All bands provide boost or
cut of up to 15 dB. In the central position, the equalizer is inactive.
5PAN
The PAN control determines the position of channel signal within the stereo image.
6LEVEL
The LEVEL control determines the level of the channel signal in the main mix
-Attention: Since the FX path for the effect processor is connected post-fader, the LEVEL control has to be
turned up in order to get this channels signal to the effects processor! (EXCEPT LAX 502)
7CLIP
The CLIP LED´s of the mono channels illuminate when the input signal is driven too high, which could cause
distortion. If this happens, use the TRIM control to reduce the preamp level until the LED does not light
anymore.
8LINE IN
Each stereo channel has two balanced line level input on 6.3 mm Jack connectors for left and right channels.
If only the connector marked “L”(left) is used, the channel operates in mono. Stereo channels are designed to
handle typical line level signals. Both inputs will also accept unbalanced connectors.
9BAL
The Balance control determines the levels of left and right input signals relative to each other before both
signal are then routed to the main stereo mix bus. If a channel is operated in mono via the line input, the
control has the same function as the PAN control used in the mono channels.
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CONTROL ELEMENTS:
10 LEVEL
The LEVEL control determines the level of the channel signal in the main mix
11 MAIN OUT
The MAIN OUT connectors are unbalanced mono connectors.
12 CD / TAPE
INPUT
The CD/MP3/TAPE INPUTS are used to bring an external signal source (e.g. CD player, tape deck, etc.) into
the console. They can also be used as a standard stereo line input, so the output of a second LAX Mixer.
OUTPUT
These RCA connectors are wired parallel with the MAIN OUT. Connect the inputs of a computer sound card or
a recorder here. The output signal level is setup using the highly accurate MAIN MIX fader.
13 PHONES
6.3 mm stereo jack for headphones.
14 PHONES LEVEL
CONTROL ROOM LEVEL (EXCEPT LAX 502)
Use the PHONES / CONTROL ROOM level to adjust the signal level of the PHONES / CONTROL ROOM output.
15 MAIN MIX LEVEL
Use the MAIN MIX level control to adjust the signal level of the MAIN MIX outputs.
16 PHANTOM POWER
Phantom power is required to operate condenser microphones and is activated using the PHANTOM POWER
switch. (only available for XLR-Mic input)
17 +48V PHANTOM POWER LED
The +48 V LED lights up when phantom power is turned on.
-Caution! You must never use unbalanced XLR connectors (PIN 1 to 3 connected) on the MIC input connec-
tors if you want to use the phantom power supply.
-Please do not connect microphones to the mixer (or the stagebox/wallbox) as long as the phantom power
supply in switched on. Connect the microphones before you switch on the power supply. In addition, the
monitor/PA loudspeakers should be muted before you activate the phantom power supply. After switching on,
wait approx. one minute in order to allow system stabilization.
18 CD/TAPE TO PHONES
CD/TAPE TO CONTROL ROOM (EXCEPT LAX 502)
Press the CD/TAPE TO PHONES / CONTROL ROOM switch if you want to monitor the 2-track input via the
PHONES OUTPUT and CONTROL ROOM OUTPUT.
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CONTROL ELEMENTS:
19 CD/TAPE TO MIX
Press the CD/TAPE TO MIX switch if you want to monitor the 2-track input via the MIX OUTPUT.
20 POWER LED
LED lights up when the Mixer is turned on.
21 SIGNAL AND CLIP LED
The 4-segment level indicator displays the signal level. The CLIP LED´s illuminate when the output signal is
driven too high, which could cause distortion. If this happens, use the MAIN LEVEL control to reduce the main
level until the LED does not light anymore.
22 FX
The FX SEND controls of the stereo channels function similar to those of the mono channels. However, since the
FX send buses are both mono, a mono sum is a first taken from the stereo input before it is sent to the FX bus.
23 FX SEND CONNECTOR
The FX SEND connector outputs the signal you choose from each individual channel using the FX SEND controls.
You can connect this to the input of an external effects device order to process the FX bus master signal. Once
an effects mix is created, the processed signal can then be routed from the effects devices outputs back into a
STEREO LINE INPUT or the STEREO AUX RETURN (only LAX 602).
24 STEREO AUX RETURN (ONLY LAX 602)
The STEREO AUX RETURN connectors are used to bring the output of the external effects device (whose input is
derived from the aux sends) back into the console. You can instead use these connectors as additional inputs,
but any effects device will then have to be brought back into the console via a normal stereo channel. This does,
however, give you the ability to use the channel EQ on the effects return signal if you wish.
-When you are using a stereo channel as effects return path, the FX control of the relevant channel should
generally be turned fully down to avoid undesirable feedback.
25 STEREO AUX RETURN CONTROL (ONLY LAX 602)
Use the AUX RETURN control to determine how much of the effects signal is sent to the main mix. If only the left
connector is used, the AUX RETURN automatically operates in mono.
26 CONTROL ROOM OUT
The unbalanced CTRL ROOM OUT connector carry the summed effects and main mix signals. The PHONE/
CONTROL ROOM control adjusts the level of both headphones and CONTROL ROOM OUTPUTS.
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REAR PANEL:
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AC POWER IN
Connect the power supply to the 3-pin mains connector on the rear of the console. Use the AC adapter supplied
to connect the console to the mains. The adapter complies with all applicable safety standards.
-Please use only the power supply unit provided with the console.
-Never connect the LAX Mixer to the power supply unit while the latter is connected to the mains! First connect
the console to the power supply unit, then connect the power supply unit to the mains.

SPECIFICATIONS:
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Model Name: LDLAX502 LAX602
Channels: 5 6
Mono Mic and Line Input Channels: 1 2
Mono Mic and Line Input Connectors: XLR, Jack 6,3 mm XLR, Jack 6,3 mm
Stereo Line Input Channels: 2 2
Stereo Line Input Connectors: Jack 6,3 mm mono Jack 6,3 mm mono
AUX / Effects Send Channels: 1
AUX / Effects Send Connectors: Jack 6,3 mm
Stereo AUX Return: 1
AUX Return Connectors: Jack 6,3 mm
Stereo Tape Out: 1 1
Stereo Tape Out Connectors: RCA RCA
Stereo Tape In: 1 1
Stereo Tape In Connenctors: RCA RCA
Stereo Main Out Unbalanced: 1 1
Stereo Main Out Unbalanced Connectors: Jack 6,3 mm Jack 6,3 mm
Stereo Control Room Out: 1
Stereo Control Room Out Connectors: Jack 6,3 mm
Headphones Out: 1 1
Headphones Out Connectors: Jack 6,3 mm Jack 6,3 mm
DFX: No No
Number of presets:
Controls Mono Mic and Line Input
Channels:
Gain, 2-Band EQ, Pan,
Channel Volume
Gain, 3-Band EQ, FX
Send, Pan, Channel
Volume
Controls Stereo Line Input Channels: Balance, Channel Volume 3-Band EQ, FX Send,
Balance, Channel
Volume
Controls Main Section: Phones Volume, Master
Volume, Tape to Phones,
Tape to Mix, Phantom
Power
Phones Volume, Master
Volume, Tape to Phones
/ Control Room, Tape to
Mix, Phantom Power
Indicators: Mono Channel Peak,
Power, 4 Segment Level
Meter, Phantom Power
Mono Channel Peak,
Stereo Channel Peak,
Power, 4 Segment Level
Meter, Phantom Power
Power Supply: external AC Adapter external AC Adapter
Dimensions (W x H x D): 125 x 45 x 195 mm 193 x 55 x 240 mm

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MANUFACTURER‘S WARRANTY
This warranty extends to the LD SYSTEMS branded product you purchased from Adam Hall. The statutory warranty
rights against the vendor shall not be affected by this warranty. Rather, this warranty gives you additional independent
claims against Adam Hall.
With this warranty, Adam Hall ensures that products you have purchased from Adam Hall or Adam Hall partners,
under normal use, are free of defects in material or workmanship for a period of 2 years from the date of purchase.
The warranty period begins on the date of purchase. In order to assert a claim for warranty service, the proof of
date of purchase is provided by the receipt bearing the date of purchase or the date of purchase on the delivery
note. You are entitled to warranty service under the conditions and provisions set out in this document, if a repair
within the warranty period is required.
This warranty applies only to the original purchaser of the products supplied by Adam Hall and is not transferable
to any person to whom the property is transferred by the original purchaser.
Within the warranty period, the defective parts or the product from Adam Hall will be repaired or replaced. Under
the terms of this warranty, all the replaced or removed components become the property of Adam Hall.
In the unlikely event that a product acquired from Adam Hall, repeatedly exhibits a defect, Adam Hall may decide,
at its discretion, to replace this product with a comparable product of at least the same performance.
Adam Hall does not guarantee that the operation of this product will be uninterrupted or error-free. Adam Hall
accepts no responsibility for any damage due to incorrect compliance with the instructions received in the delivery.
This warranty does not extend to:
- wearing parts (eg battery, tubes).
- devices that have had their serial number removed or damaged, or failed as a result of an accident
- inappropriate or abusive use or other external causes
- devices that were not used in accordance with the operating parameters defined in the user documentation
shipped with the product
- devices that have been repaired using parts not made or distributed by Adam Hall
- devices that have been serviced, modified or repaired by someone other than Adam Hall or an authorised service partner.
These terms and conditions constitute the complete and exclusive warranty agreement between you and Adam
Hall regarding the Adam Hall branded product you have purchased.
This warranty is valid only within Europe. Outside of Europe please contact our official distributors.
MANUFACTURER´S DECLARATIONS:

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MANUFACTURER´S DECLARATIONS:
LIMITATION OF LIABILITY
If your Adam Hall branded hardware product fails to work as warranted above, your sole and exclusive remedy
shall be repair or replacement. Adam Halls’ maximum liability under this limited warranty is expressly limited to
the lesser of the price you have paid for the product or the cost of repair or replacement of any components that
malfunction under conditions of normal use.
Adam Hall is not liable for any damages caused by the product or the failure of the product, including any lost
profits or savings or special, incidental, or consequential damages. Adam Hall is not liable for any claim made by
a third party or made by you for a third party.
This limitation of liability applies whether damages are sought, or claims are made, under this Limited Warranty
or as a tort claim (including negligence and strict product liability), a contract claim, or any other claim, and
cannot be rescinded or changed by anyone. This limitation of liability will be effective even if you have advised
Adam Hall or an authorized representative of Adam Hall of the possibility of any such damages, but not, however,
in the event of claims for damages in connection with personal injuries.
This manufacturer‘s warranty grants you specific rights; depending on jurisdiction (nation or state), you may be
be entitled to additional claims. You are advised to consult applicable state or national laws for a full determina-
tion of your rights.
REQUESTING WARRANTY SERVICE
To request warranty service for the product, contact Adam Hall or the Adam Hall authorized reseller from which
you purchased the product.
EC DECLARATION OF CONFORMITY
The equipment marketed by Adam Hall complies (where applicable) with the essential requirements and other
relevant specifications of Directives 1999/5/EC (R&TTE), 2004/108/EC (EMC) und 2006/95/EC (LVD). Additional
information can be found at www.adamhall.com.

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MANUFACTURER´S DECLARATIONS:
PROPER DISPOSAL OF THIS PRODUCT
(Valid in the European Union and other European countries with waste separation)
This symbol on the product, or the documents accompanying the product, indicates that this appliance may not
be treated as household waste. This is to avoid environmental damage or personal injury due to uncontrolled
waste disposal. Please dispose of this product separately from other waste and have it recycled to promote
sustainable economic activity.
Household users should contact either the retailer where they purchased this product, or their local government
office, for details on where and how they can recycle this item in an environmentally friendly manner.
Business users should contact their supplier and check the terms and conditions of the purchase contract. This
product should not be mixed with other commercial wastes for disposal .
ENVIRONMENTAL PROTECTION AND ENERGY CONSERVATION
Energy conservation is an active contribution to environmental protection. Please turn off all unneeded electrical
devices. To prevent unneeded devices from consuming power in standby mode, disconnect the mains plug.
Adam Hall GmbH, all rights reserved. The technical data and the functional product characteristics can be subject
to modifications. The photocopying, the translation, and all other forms of copying of fragments or of the integrlity
of this user’s manual is prohibited.

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Sie haben die richtige Wahl getroffen!
Diese LD-Systems Produkte werden Sie lange Jahre durch Zuverlässigkeit, Wirtschaftlichkeit und einfaches
Handling überzeugen. Dafür garantiert LD-Systems mit seinem Namen und seiner in vielen Jahren erworbenen
Kompetenz als Hersteller hochwertiger Geräte.
Nehmen Sie sich nun ein paar Minuten Zeit, diese Anleitung zu lesen. Wir möchten, dass Sie einfach und schnell
in den Genuss dieser Technik kommen.
Mehr Informationen zu LD-SYSTEMS finden Sie auf unserer Internetseite WWW.LD-SYSTEMS.COM

LD LAX-SERIE
502 / 602
MISCHPULT
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CAUTION
RISK OF ELECTRIC S HOCK
DO NOT O PEN
VORSICHTSMASSNAHMEN:
1. Bitte beachten Sie die Sicherheitshinweise und studieren Sie diese Anleitung sorgfältig.
2. Bewahren Sie alle Hinweise und Anleitungen sicher auf.
3. Verwenden Sie das Gerät nur in der vorgesehenen Art und Weise.
4. Beachten die in Ihrem Land geltenden Entsorgungsgesetze. Trennen Sie bei der Entsorgung bitte Plastik und
Papier bzw. Kartonagen von einander.
5. Sollte Ihr Gerät nicht mehr ordnungsgemäß funktionieren, Flüssigkeiten ausgesetzt werden oder auf sonstige Art
und Weise beschädigt sein, überlassen Sie bitte jegliche Reparaturen ausschließlich autorisiertem Fachpersonal.
6. Halten Sie das Gerät von Hitzequellen wie z.B. Ofen, Heizkörper, oder sonstige Quellen (auch Verstärker) fern.
Sorgen Sie dafür dass das Gerät immer so installiert ist, dass es ausreichend gekühlt wird und nicht überhitzt.
7. Überprüfen Sie alle Verbindungen nach dem Sie das Gerät angeschossen haben um Schäden oder Unfälle zu
vermeiden.
8. Verwenden Sie ausschließlich stabile und passende Stative bzw. Befestigungen wenn das Gerät fest installiert
wird. Stellen Sie sicher, dass das Gerät sicher installiert ist und nicht herunterfallen kann.
ACHTUNG:
Entfernen Sie niemals die Abdeckung, da sonst die Gefahr eines elektrischen Schocks besteht.
Im Inneren des Gerätes befinden sich keine Teile, die vom Bediener gewartet oder repariert werden können.
Lassen Sie Reparaturen ausschließlich von qualifiziertem Servicepersonal durchführen.
Dieses Symbol warnt vor nichtisolierten, gefährlichen Spannungen im Geräteinneren,
die einen gefährlichen Schlag verursachen können.
Dieses Symbol kennzeichnet wichtige Bedienungs- und Wartungshinweise.
Vorsicht! Hohe Lautstärke!
Diese Übertragungsanlage wird von Ihnen professionell eingesetzt. Daher unterliegt der Gebrauch bei gewerbli-
cher Nutzung den Regeln und Vorschriften der zuständigen Berufsgenossenschaft. Adam Hall als Hersteller ist
daher verpflichtet, Sie auf möglicherweise bestehende gesundheitliche Risiken ausdrücklich hinzuweisen.
Mit diesen LAutsprechern können hohe Schalldrücke erzeugt werden. 85db ist der Schalldruck, der laut Gesetz
als maximal zulässiger Wert über die Dauer eines Arbeitstages auf Ihr Gehör einwirken darf. Er wird nach den
Erkenntnissen der Arbeitsmedizin als Berurteilungspegel zu Grunde gelegt. Höhere Lautstärken oder längere
Einwirkzeit können Ihr Gehör schädigen. Bei höheren Lautstärken muss die Hörzeit verkürzt werden, um eine
Schädigung auszuschließen. Sichere Warnsignale dafür, dass Sie sich zu lange zu lautem Geräusch ausgesetzt
haben, sind:
- Sie hören Klingel- oder Pfeifgeräusche in den Ohren!
- Sie haben den Eindruck, hohe Töne nicht mehr wahrzunehmen!