LD Systems MAUI 44 G2 Cardioid Powered Column Loudspeaker User Manual
- June 5, 2024
- LD Systems
Table of Contents
MAUI 44 G2 Cardioid Powered Column Loudspeaker
User Manual
SUBWOOFER EXTENSION
LDMAUI44G2SUB
YOU’VE MADE THE RIGHT CHOICE!
We have designed this product to operate reliably over many years. LO Systems
stands for this with its name and many years of experience as a manufacturer
of high-quality audio products. Please read this Users Manual carefully, so
that you can begin making optimum use of your LO Systems product quickly.
You can find more information about ID-SYSTEMS at our Internet site WWW
.LD-SYSTEMS.COM
SAFETY INFORMATION
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Please read these instructions carefully.
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Keep all information and instructions in a safe place.
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Follow the instructions.
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Observe all safety warnings. Never remove safety warnings or other information from the equipment.
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Use the equipment only in the intended manner and for the intended purpose.
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use only sufficiently stable and compatible stands and/or mounts (for fixed installations). Make certain that wall mounts are properly installed and secured. Make certain that the equipment is installed securely and cannot fall down.
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During installation, observe the applicable safety regulations for your country.
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Never install and operate the equipment near radiators, heat registers, ovens, or other sources of heat. Make certain that the equipment is always installed so that is cooled sufficiently and cannot overheat.
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Never place sources of ignition, e.g., burning candles, on the equipment.
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Ventilation slits must not be blocked.
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Keep a minimum distance of 20 cm around and above the device.
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Do not use this equipment in the immediate vicinity of water (does not apply to special outdoor equipment – in this case, observe the special instructions noted below. Do not expose this equipment to flammable materials, fluids or gases. Avoid direct sunlight!
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Make certain that dripping or splashed water cannot enter the equipment. Do not place containers filled with liquids, such as vases or drinking vessels, on the equipment.
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Make certain that objects cannot fall into the device.
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Use this equipment only with the accessories recommended and intended by the manufacturer.
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Do not open or modify this equipment.
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After connecting the equipment, check all cables in order to prevent damage or accidents, e.g., due to tripping hazards.
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During transport, make certain that the equipment cannot fall down and possibly cause property damage and personal injuries.
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If your equipment is no longer functioning properly, if fluids or objects have gotten inside the equipment or if it has been damaged in any way, switch it off immediately and unplug it from the mains outlet (if it is a powered device). This equipment may only be repaired by authorized, qualified personnel.
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Clean the equipment using a dry cloth.
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Comply with all applicable disposal laws in your country. During disposal of packaging, please separate plastic and paper/cardboard.
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Plastic bags must be kept out of reach of children.
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Please note that changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
FOR EQUIPMENT THAT CONNECTS TO THE POWER MAINS -
CAUTION: If the power cord of the device is equipped with earthing contact, then it must be connected to an outlet with a protective ground. Never deactivate the protective ground of a power cord.
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If the equipment has been exposed to strong fluctuations in temperature (for example, after transport), do not switch it on immediately. Moisture and condensation could damage the equipment. Do not switch on the equipment until it has reached room temperature.
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Before connecting the equipment to the power outlet, first, verify that the mains voltage and frequency match the values specified on the equipment. If the equipment has a voltage selection switch, connect the equipment to the power outlet only if the equipment values and the mains power values match. If the included power cord or the power adapter does not fit in your wall outlet, contact your electrician.
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Do not step on the power cord. Make certain that the power cable does not become kinked, especially at the main outlet and/or power adapter and the equipment connector.
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When connecting the equipment, make certain that the power cord or power adapter is always freely accessible. Always disconnect the equipment from the power supply if the equipment is not in use or if you want to clean the equipment. Always unplug the power cord and power adapter from the power outlet at the plug or adapter and not by pulling on the cord. Never touch the power cord and power adapter with wet hands.
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Whenever possible, avoid switching the equipment on and off in quick succession because otherwise, this can shorten the useful life of the equipment.
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IMPORTANT INFORMATION: Replace fuses only with fuses of the same type and rating. If a fuse blows repeatedly, please contact an authorized service center.
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To disconnect the equipment from the power mains completely, unplug the power cord or power adapter from the power outlet.
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If your device is equipped with a volex power connector, the mating volex equipment connector must be unlocked before it can be removed. However, this also means that the equipment can slide and fall down if the power cable is pulled, which can lead to personal injuries and/or other damage. For this reason, always be careful when laying cables.
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Unplug the power cord and power adapter from the power outlet if there is a risk of a lightning strike or before extended periods of disuse.
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The appliance is not to be used by persons (including children) with reduced physical sensory or mental capabilities, or lack of experience and knowledge.
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Children must be instructed not to play with the device.
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If the power cord of the device is damaged, do not use the device. The power cord must be replaced by inadequate cable or assembly (roman authorized service center.
CAUTION:
To reduce the risk of electric shock, do not remove the cover (or back). There
are no user-serviceable parts inside. Maintenance and repairs should be
exclusively carried out by qualified service personnel.
The warning triangle with the lightning symbol indicates dangerous uninsulated
voltage inside the unit, which may cause an electrical shock.
The warning triangle with the exclamation mark indicates important operating
and maintenance instructions.
Warning! This symbol indicates a hot surface. Certain parts of the housing can
become hot during operation. After use, wait for a cool-down period of at
least10 minutes before handling or transporting the device.
Warning! This device is designed for use below 2000 meters in altitude.
Warning! This product is not intended for use in tropical climates.
CAUTION! HIGH VOLUMES IN AUDIO PRODUCTS!
This device is meant for professional use. Therefore, commercial use of this
equipment is subject to the respectively applicable national accident
prevention rules and regulations. As a manufacturer, Adam Hall is obligated to
notify you formally about the existence of potential health risks.
Hearing damage due to high volume and prolonged exposure: When in use, this
product is capable of producing high sound-pressure levels (SPL) that can lead
to irreversible hearing damage in performers, employees, and audience members.
For this reason, avoid prolonged exposure to volumes in excess of 90 dB.
NOTE: This equipment has been tested and found to comply with the limits
for Class B digital devices, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equip-ment generates, uses,
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
— Reorient or relocate the receiving antenna.
— Increase the separation between the equipment and receiver.
— Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
— Consult the dealer or an experienced radio/TV technician for help.
INTRODUCTION
The LO Systems MAUI 44 G2 column PA system has been designed for professional
use. The PA system provides high-quality components, OSP-controlled
amplifiers, and a balanced sound across the entire frequency spectrum. The
digital signal processing of the LO LECC OSP includes functions such as
crossover, Ell compressor, and limiter, and has been tailored to the MAUI 44
G2 PA system to ensure optimum audio performance at all times.
The system has been designed as a plug-and-play system. It comes without any
additional cables or stands and can therefore be assembled and disassembled
quickly and easily.
FEATURES
- Professional column PA system with 1500 W RMS and 132 dB max.SPL
- cardioid column for controlled low- and mid-range frequency dispersion and cardioid subwoofer application (with additional subwoofer)
- TrueWireless'” stereo technology for the wireless stereo pairing of two-column systems
- aptr” coding and advanced audio coding (AAC) for high-resolution Bluetooth® streaming
- BEM-optimized high-frequency waveguide for uniform dispersion pattern, phase plug for coherent mid-range wavefront, and flow-optimized bass-refine ports
- Oynx® OSP technology for distortion-free sound at maximum volume
- Automatic setup detection
- Fast and simple assembly without stands or cables
- Rugged subwoofer housing made out of polyurea-coated birch plywood and lightweight powder-coated aluminum column
PLEASE NOTE:
The optional subwoofer extension LOMAUI44G2SUB is technically identical to the
subwoofer from the LOMAUI44G2 PA system. The subwoofer extension LOMAUI44G2SUB
is supplied with a cover for the connection panel for the column speakers.
ASSEMBLY, CONNECTION, AND OPERATION
GENERAL INFORMATION Both the subwoofer of the LO Systems MAUI 44 G2 PA system
and the optional subwoofer extension MAUI 44 G2 SUB must be positioned on a
flat surface on their rubber feet before use. Never operate the system on a
trolley as there is a risk that the entire system may begin to move in an
uncontrolled manner. This may result in accidents and damage. The amplifier is
cooled via the heat sink below the connection panel on the back of the
subwoofer. To ensure sufficient cooling during operation, a minimum distance
of 50 cm must be maintained between the back of the subwoofer and other
similar objects such as walls. Please ensure that the system as well as any
connected devices such as mixing consoles, CO play-ers etc. are connected to
the correct audio and power connections. use only undamaged cables with a
suitable diameter and always unroll cable reels fully. Use cable protectors to
avoid tripping accidents caused by loose cables. Never position the device
directly on an edge. Do not place the subwoofer on a table. In order to
eliminate unwanted noise when turning on connected devices, always switch the
system on last and switch it off first
ASSEMBLY
The LO Systems MAUI 44 G2 PA system comprises three components:
A . Subwoofer with integrated electronics for all system components.
B. MAUI 44 G2 LC:
lower vertical array column with six 3.5″ speakers, each with a multipin
connector on the top and bottom and a guide pin on the underside.
C. MAUI 44 G2 U:
The upper vertical array column with six 3.5* loudspeakers with phase plug,
tweeters, and a multi-pin connector and guide pins on the bottom side.
After the subwoofer has been placed in the desired position, the lower array
column is attached to the subwoofer. Rugged guide pins help the multipin
connectors on each speaker to interlock perfectly. One strong magnet provides
extra stability. The upper vertical array column is then attached to the lower
column in the same way.
To simplify transport, set-up, and dismantling, two ergonomic handles are
located on the sides of the subwoofer and an optionally available castor board
(LOM446203) can be installed on the back that also provides protection for the
connection panel and controls during transport Recessed handles are located on
the top and underside of the array columns.
The optional MAUI 44 G2 SUB subwoofer extension is positioned next to the MAUI
44 G2 PA system. The orientation of the subwoofer extension depends on whether
the cardioid preset in the subwoofer extension is used or not
CONNECTION AND OPERATION
A playback device can be connected via the balanced XLR inputs. The integrated
Bluetooth module enables wireless control via smartphone or tablet. There is
also a stereo link function for wireless transmission of the Bluetooth signal
to another MAUI 44 G2 PA system as a stereo extension. Both the volume of the
entire system as well as the volume of the subwoofer relative to the overall
volume can be adjusted on the device. An optionally available subwoofer
extension can be used in two different setups together with the MAUI 44 G2 PA
system.
CONNECTIONS, OPERATING AND DISPLAY ELEMENTS
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IN
summed to mono. -
MAIN
Level control for overall volume. The subwoofer volume level is controlled by adjusting the SUB level control accordingly. When the subwoofer is -
SUB
Setting the volume balance between the subwoofer and the column speaker. When the subwoofer is used as subwoofer extension, the level control -
SYSTEM STATUS DISPLAY
PROTECT – The display field lights up if the system is overloaded/overheating. The amplifiers are then muted automatically. After reaching normal operating conditions, the unit returns to the normal operating mode after a few minutes.
LIMIT – The display field lights up if the speaker system is being operated in its upper limit range. Brief illumination of the LEO is not critical. To protect the system, any excessive signal level is lowered smoothly by the integrated limiter. If the limiter LEO remains lit for longer or permanently, reduce the volume level.
SIGNAL – The display field lights up when the device is receiving an audio signal. The signal is received before the MAIN level control.
POWER – The display field lights up when the device is properly connected to the mains and switched on.
SLAVE – The display field lights up when the columns are detached from the system and the subwoofer can be used as a subwoofer extension. -
THRU
Balanced stereo line output with two male 3-pin XLR sockets for sending the input signal. -
SUB OUT
Balanced line output with male 3-pin XLR socket for control of the subwoofer extension. Subwoofer extension: use either line input L or R for signal control. Both MAIN and SUB level controls and the Bluetooth unit with MS are disabled if the MAUI 44 G2 subwoofer is used as a subwoofer extension. A description of the cardioid setup can be found under point 9 CAR 01010 ON/OFF. -
HOLD TO LINK
The MAUI 44 G2 PA system is equipped with Bluetooth, which means that audio files from a Bluetooth playback device (e.g. smartphone or tablet) can be played back on the MAUI 44 G2 PA (maximum distance between the two devices depends on the surroundings).
To pair and connect the internal Bluetooth unit with a Bluetooth playback device, press and hold the HOLD TO LINK button for approximately 3 seconds until the Bluetooth display field above the button flashes rhythmically (approx. 3 Hz). Enable Bluetooth on your playback device and search on the user interface for available devices. Select “MAUI 44 G2” and pair your Bluetooth device with the Bluetooth unit of the MAUI 44 G2 PA system. If successfully paired, the Bluetooth symbol will light up permanently and playback can be started. The volume is controlled via the MAIN level control or on the playback device.
To disconnect a Bluetooth device and set the Bluetooth unit back to standby, press and hold the HOLD TO LINK button again for approximately seconds. To delete the entire list of paired devices (= factory default), press and hold the HOLD TO LINK and STEREO LINK buttons simultaneously for approximately 2 seconds. If the Bluetooth connection is interrupted (e.g. range is exceeded), the Bluetooth LEO will go out Connection can be restored automatically within approx. 90 seconds (Bluetooth device back in range). After 90 seconds, the connection can be restored with the Bluetooth playback device (connect paired device). When using a single MAUI 44 G2 PA system, any stereo signal is automatically summed to mono in the Bluetooth module.
Note: The Bluetooth and TWS functions are not available if the subwoofer is used as a subwoofer extension for an existing MAUI 44 G2 PA system. -
STEREO LINK/TWS
The MAUI 44 G2 PA system is equipped with a Bluetooth stereo link function (true wireless stereo), which means that if two MAUI 44 G2 systems are used, stereo audio signals transmitted via Bluetooth can also be played back in stereo without a cable connection between the two systems (the maximum distance between the two devices is 40 meters under optimal conditions). The system that is connected to the Bluetooth playback device is hereinafter referred to as the master unit, the stereo expansion as a slave unit. If the master unit with the Bluetooth playback device is connected to the slave unit the Bluetooth display field and the TWS display field on the master unit light up permanently. If the connection is successfully established between the slave unit and the master unit, the TWS display field on the slave unit lights up permanently and the Blue-tooth display field flashes slowly (approximately 03 Hz). During the pairing process, the TWS display fields on both systems flash rhythmically at a frequency of about 3 Hz.
Depending on the situation, there are two different methods to pair two MAUI 44 G2 PA systems via TWS:
Situation A. Stereo system with 2 x MAUI 44 G2 and1x Bluetooth playback device: Pair a Bluetooth playback device with the left MAUI 44 G2 system. The left-hand system automatically becomes the master unit. Disconnect all existing Bluetooth connections on the right-hand MAUI 44 G2 (press and hold HOLD TO LINK and STEREO LINK simultaneously for approximately 2 seconds). Now pair the right MAUI 44 G2 system with the master unit by pressing and holding the STEREO LINK button on both devices for approximately 3 seconds within 30 seconds. The right-hand system automatically becomes the slave unit (max. distance when pairing 15 m). The master unit transmits the left channel of the stereo signal from the Bluetooth device and the slave unit the right channel.
Situation B. Stereo system with 1 x MAIII 441,2. air RluPtooth playback device later: Disconnect all existing Bluetooth connections on the slave unit by simultaneously pressing and holding the HOLD TO LINK and STEREO LINK buttons on the slave unit for approximately 2 seconds. When pairing two MAUI 44 G2 systems, ensure that the distance between the systems is no more than 15 meters. Press and hold the STEREO LINK button on the master unit for approximately 3 seconds and press the STEREO LINK button twice in quick succession on the slave unit Pairing occurs place automatically within approximately 30 seconds. Pairing a Bluetooth playback device with the master unit can now be done later. The master unit transmits the left channel of the stereo signal from a Bluetooth playback device and the slave unit the right channel.
PLEASE NOTE:
• Only audio signals from a paired Bluetooth playback device can be transmitted via the TWS stereo link function. Audio signals at the line input will not be transmitted via TWS.
• When the MAUI 44 G2 systems have been switched off and back on, the Bluetooth playback device will pair automatically and the systems will connect with each other automatically via TWS.
• The maximum number of paired Bluetooth devices is 8 (including paired MAUI 44 G2 systems). If another device is paired, the last entry from the list of stored devices will be deleted. A maximum of one Bluetooth playback device and one MAUI 44 G2 system can be connected simultaneously with the MAUI 44 G2 master unit to create a stereo extension.
Bluetooth and TWS status** Bluetooth and stereo link status| Bluetooth LED| STEREO LINK LED**
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Pair Bluetooth unit with playback device| Flashes (3 Hz)| off
The Bluetooth unit is paired and connected only with the playback device| on permanently| off
Pair the Bluetooth unit with the playback device (as a stereo link – master)| Flashes (3 Hz)| on permanently
Pair slave unit – stereo link to the master unit| Flashes (0,3 Hz)| Flashes (3 Hz)
Slave unit – stereo link paired with the master unit| Flashes (0.3 Hz)| on permanently
Slave unit – slave unit paired but not connected| Flashes (0.3 Hz)| off
Pair master unit – stereo link pairing without Bluetooth connection to the playback device| off| Flashes (3 Hz)
Master unit connected to slave unit but without Bluetooth connection to the playback device| off| on permanently
Master unit – stereo link pairing with Bluetooth connection to the playback device| on permanently| Flashes (3 Hz)
Master unit connected to slave unit with Bluetooth connection to the playback device| on permanently| on permanently
Neither Bluetooth nor stereo link connection| off| off -
CARDIOID SUBWOOFER ON / OFF
Note: The cardioid subwoofer feature is only available when the loudspeaker columns are not connected to the MAUI 44 G2 subwoofer. MAIN / SLAVE operation: The optionally available MAUI 44 G2 SUB subwoofer extension can be used with the MAUI 44 G2 PA system in two different ways.
A. The subwoofer extension is positioned in the same orientation as the subwoofer of the MAUI 44 G2 PA system. In this case, the cardioid preset on the subwoofer extension must be disabled (CARDIOID OFF). Press and hold the CARDIOID button for about 2 seconds to change the status.
A. The subwoofer extension is positioned 180° to the subwoofer of the MAUI 44 G2 PA system. In this case, the cardioid preset must be enabled (CARDIOID ON). Press and hold the CARDIOID button for about 2 seconds to change the status. The cardioid setup results in more prominent bass dispersion at the front and a clearer stage sound at the rear due to extensive low-frequency cancellation.
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POWER INPUT
Neutrik powerCON mains input socket A suitable power cable is included. -
POWER
On-off switch for power supply to the device. Safe disconnection from the power supply is achieved only by pulling the main plug.
WIRING EXAMPLES
Example of mono operation
| Example of stereo operation | Subwoofer extension (cardioid setup) |
|---|---|
| 
OPTIONAL ACCESSORIES
LOMAU144G2SUB Subwoofer extension
LOM44G2CB Castor board for subwoofer
LDM44G2SUBPC Cover for subwoofer
LDM44G2SATBAG Transport bag for columns
TECHNICAL DATA
| Model name: | LOMAU14452 |
|---|---|
| Product type | PA Complete Systems |
| Type | Powered |
| Color | Black |
| Max.SPL (Peak) | 132 dB |
| Frequency response: | 37-20,000 Hz |
| Dispersion angle (H x V): | 120 x 25 ° |
| Height (total) | 2256 mm |
| Weight | 47.6 kg |
| Features | Bluetooth audio streaming, OSP-based signal processing, excellent |
dispersion characteristics, mono/ slave operation
Subwoofer
Woofer size| 15″ / 381 mm
Woofer magnet| Neodymium
Woofer brand| Custom-manufactured
Woofer voice coil| 4″ /101 mm
Housing type| Bass reflex
Housing material| 15 mm birch plywood,18 mm birch plywood
Housing finish| Polyurea
Subwoofer dimensions (W x H x 0)| 434 x 634 x 637 mm
Subwoofer weight| 36.4 kg
Mid/high-frequency system
Mid-range driver size| 12 x 3.5″ / 12 x 89 mm
Mid-range driver magnet| Neodymium
Mid-range driver brand| Custom-manufactured
Voice coil mid-range driver| 1″/ 25.4 mm
Tweeter size| 4 x 0.5″ / 4 x 12.7 mm
Tweeter magnet| Neodymium
Tweeter brand| Custom-manufactured
Tweeter voice coil| 1″ / 25Amm
waveguide| CO waveguide
Speaker inputs| 1
Speaker input connections| Custom-made multipin
Housing type mid/hi system| Closed
Housing material mid/hi system| Aluminum
Housing finish mid/hi system| High-density coated aluminum, multi-layered mesh
fabric
Width mid/hi system| 103 mm
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Height mid/hi system| 1621 mm
Depth mid/hi system| 135 mm
Weight mid/hi system| 112 kg
Amplifier module (built Into subwoofer)
Amplifier| Class 0
System power (RMS)| 1500 W
Protective circuitry| Short-circuit multiband limiter, DC protection,
overheating protection
Cooling| Convection
Operating controls| Bluetooth HOLD TO LINK button, Bluetooth STEREO LINK
button, Cardioid on/off, Main Level, Power On/ Off, Sub Level
Display indicators| Bluetooth, Bluetooth STEREO LINK, Cardioid On/Off, Limit
Power, Protect (protection circuit powered), Signal, Slave Mode, Subwoofer
Mode
Mains connection| Neutrik powerCON
Operating voltage| 100-120 V AC / 50-60 Hz, 220-240 V AC / 50-60 Hz
Ambient temperature| 0 -40°C
Relative air humidity| <80% (non-condensing)
No. of line inputs| 2
Line input connections| XLR female
No. of line outputs| 2
Line output connections| XLR male
No. of line outputs SUB| 1
Line output SUB connection| XLR male
No. of speaker outputs| 1
Speaker output connection| Custom-made multipin
Bluetooth standard| A2OP
Bluetooth audio decoder| AAC, aptX,SBC
DSP features
Word width AD/DA converter| 24 bit
Sampling frequency| 48 kHz
Signal-to-noise ratio| 106 dB
MANUFACTURER’S DECLARATIONS
MANUFACTURER’S WARRANTY @ LIMITATIONS OF LIABILITY You can find our current warranty conditions and limitations of liability at https://cdn- shop.adamhall.com/media/pdf/MANUFACTURERS-DECLARATIONS-LD-SYSTEMS.pdf To request warranty service for a product, please contact Adam Hall GmbH, Adam- Hall-Str.1, 61267 Neu Anspach / Email: Info@adamhall.com / +49 (0)6081 / 9419-0.
CORRECT DISPOSAL OF THIS PRODUCT
(valid in the European Union and other European countries with a
differentiated waste collection system) Imo This symbol on the product, or on
its documents indicates that the device 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 waste for disposal.
FCC STATEMENT
This device complies with Part 15 of the FCC Rules. operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) This device must accept any interference received,
including interference that may cause undesired operation
CE Compliance
Adam Hall GmbH states that this product meets the following guidelines (where
applicable): RSTTE (1999/5/EC) or RED (2014/53/EU) from June 2017 Low voltage
directive (2014/35/EU) EMV directive (2014/30/EU) RoHS (2011/65/EU) The
complete declaration of conformity can be found at
www.adamhall.com. Furthermore, you may also direct
your inquiry to info@adamhall.com.
EU DECLARATION OF CONFORMITY
Hereby, Adam Hall GmbH declares that this radio equipment type is in
compliance with Directive 2014/53/Eu. The full text of the EU declaration of
conformity is available at the following Internet address:
www.adamhall.com/compliance/
References
- LD Systems® | Your Sound. Our Mission.
- Eventtechnik Lösungen | Adam Hall Group
- Downloads | Service | Adam Hall Shop
- LD Systems® | Your Sound. Our Mission.
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