LUCIA®
Compact installation amplifiers
Operation Manual
1. Important safety instructions
1. Important safety instructions
Before using your LUCIA Series amplifier, be sure to carefully read the applicable items of this Operation Manual and the Safety Instructions.
1.Read these instructions.
2.Keep these instructions
3.Heed all warnings.
4.Follow all instructions.
5.Do not use this apparatus near water.
6.Clean only with a dry cloth.
7.Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9.Do not defeat the safety purpose of the polarized or groundingtype plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11.Only use attachments/accessories specified by the manufacturer.
12.Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13.Unplug this apparatus during lightning storms or when unused for long periods of time.
14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
2. Approvals
This equipment has been tested and found to comply with the limits for a Class B Digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in residential installations. This equipment 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.
For customers in Canada
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB003 du Canada.
3. Warnings
3.1 Explanation of warning symbols
The lightning bolt triangle is used to alert the user to the presence of un-insulated “dangerous voltages” within the unit’s chassis that may be of sufficient magnitude to constitute a risk of electric shock to humans.
The exclamation point triangle is used to alert the user to presence of important operating and service instructions in the literature accompanying the product.
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3. Warnings
3.2 Warnings
To reduce risk of fi re or electric shock, do not expose this apparatus to rain or moisture.
Français: Pour réduire les risques d’incendie ou de choc électrique, n’exposez pas l’appareil à la pluie ou à l’humidité.
Do not expose this system/apparatus to dripping or splashing and ensure that no objects fi lled with liquids, such as vases, are placed on the apparatus.
Français: N’exposez pas ce système/appareil au ruissellement ni aux éclaboussures et assurez-vous qu’aucun objet contenant du liquide tel qu’un vase n’est placé sur l’appareil.
This apparatus must be connected to a mains socket outlet with a protective earthing connection.
Français: Cet appareil doit être raccordé à une prise secteur avec terre de protection.
The mains plug is used as a disconnect device and shall remain readily operable.
Français: La fi che d’alimentation sert de dispositif de déconnexion et doit rester constamment accessible.
To prevent electric shock do not remove top or bottom covers. No user serviceable parts inside. Refer servicing to qualifi ed service personnel.
Français: Pour prévenir un choc électrique, ne retirez pas les capots du dessus et du dessous. Aucune pièce n’est réparable par l’utilisateur à l’intérieur. Confi ez toute réparation à un personnel de maintenance qualifi é.
To completely disconnect this equipment from the AC mains, disconnect the power supply cord plug from the AC receptacle. The mains plug of the power supply cord shall remain readily operable.
Français: Pour totalement isoler l’équipement de l’alimentation secteur, débranchez le cordon d’alimentation de son embase. La fi che secteur du cordon d’alimentation doit rester accessible.
Do not install this device in a confi ned space.
Français: N’installez pas cet appareil dans un espace confi né.
Check the voltage in your area and use the correct type of mains connector.
Français: Vérifi ez la tension en vigueur dans votre région et utilisez le bon type de fi che secteur.
Please refer to the following table:
Voltage |
Line plug (according to standard) |
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110-125 V (US) |
UL817 and CSA C22.2 no 42. |
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220-230 V (EUROPE) |
CEE 7 page VII, SR section 107-2-D1/ |
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IEC 83 page C4. |
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BS 1363 of 1984. Specifi cation for |
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240 V (UK) |
13 A fused plugs and switched and |
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unswitched socket outlets. |
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3.3 User responsibility
3.1.1 Mains connection grounding
Your amplifi er must be connected to a grounded socket outlet.
3.1.2 Speaker output hazard
Power amplifi ers are capable of producing hazardous output voltages. To avoid electrical shock, do not touch any exposed speaker wiring while the amplifi er is operating. External wiring connected to the speaker terminals shall be installed by a qualifi ed person, or ready-made leads or cords of appropriate capacity shall be used. As the amplifi er outputs produce high voltage, do not connect or disconnect speaker cables when the mains power is on.
3.1.3 Radio interference
A sample of this product has been tested and complies with the limits for the European Electro Magnetic Compatibility (EMC) directive. It also has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference from electrical equipment. This product uses radio frequency energy and, if not used or installed in accordance with these operating instructions, may cause interference to other equipment, such as radio receivers. However, there is no guarantee that interference will not occur in a particular installation. If this equipment causes harmful interference to radio or television reception (determined by turning the equipment on and off), the user may be able to correct the interference by one or more of the following measures:
•Check if the affected unit complies with the EMC limits for immunity, (CE-labeled). If not, address the problem with the manufacturer or supplier. All electrical products
sold in the EC must be approved for immunity against electromagnetic fi elds, high voltage fl ashes, and radio interference.
•Consult the dealer or an experienced radio/TV technician for help.
•Reorient or relocate the 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.
3.1.4 Speaker damage
Many loudspeakers can be easily damaged or destroyed by overpowering them. Always check the speaker’s continuous and peak power capabilities. Although the amplifi er’s attenuators can be used to reduce the overall gain, an increase of the input signal can still result in full output power, which may cause damage to connected speakers.
3.1.5 Maintenance
For safe and reliable operation, any dust collected in the front panel should be removed regularly. In rare circumstances, accumulated dust could ignite due to high internal temperatures and cause a fi re. If the front is clogged so that air cannot pass, then the unit will eventually go into thermal protection; any resultant problems will not be covered by the warranty.
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4. Table of Contents
4. Table of Contents
1. |
Important safety instructions |
2 |
2. |
Approvals |
2 |
3. |
Warnings |
2 |
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3.1 Explanation of warning symbols |
2 |
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3.2 Warnings |
3 |
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3.3 User responsibility |
3 |
5. |
Introduction |
6 |
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5.1. Welcome |
6 |
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5.2. Features (all LUCIA models) |
6 |
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5.3. Additional features on LUCIA 120/2M and 240/2M only |
6 |
6. |
Unpacking and visual checks |
7 |
7. |
Installation |
7 |
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7.1. Wall mounting |
7 |
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7.2. Rack shelf mounting |
7 |
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7.3. Lab.gruppen rack shelf kit |
7 |
8. |
Cooling and fan operation |
8 |
9. Operating voltage |
8 |
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10. Grounding |
8 |
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11. Front panel |
9 |
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12. Rear panel |
10 |
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13. Set-up and operation |
11 |
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13.1. Auto standby / Power-up |
11 |
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13.2. GPIO configuration |
11 |
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13.3. Protection mode |
12 |
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4. Table of Contents
14. LUCIA application browser |
12 |
14.1. Introduction |
12 |
14.2. Software download and installation |
12 |
14.3. Overview |
13 |
14.4. Factory presets |
13 |
14.5. Application presets: Selection and custom configuration |
14 |
14.5.1. Configuration in application view |
14 |
14.5.2 Configuration in block diagram view |
14 |
14.5.2.1. Input block |
15 |
14.5.2.2. Matrix block |
15 |
14.5.2.3. Output block |
16 |
14.5.2.4. Control block |
17 |
14.6. Saving and storing custom applications |
18 |
14.6.1. Saving applications |
18 |
14.6.2. Storing and sharing applications |
18 |
14.7. Programming a LUCIA device |
18 |
14.8. Online mode |
19 |
14.9. Upgrading the firmware in a LUCIA device |
19 |
15. Appendices |
20 |
15.1. Configuration for LUCIA base models |
20 |
15.2. Default configuration for LUCIA M models |
20 |
15.3. External control via GPI: Connection and components |
20 |
15.4. Thermal dissipation |
22 |
15.5. Technical Specifications |
24 |
16. FAQ |
25 |
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5. Introduction
5. Introduction
5.1. Welcome
Thank you for purchasing a Lab.gruppen LUCIA compact installation amplifier. We are confident it will provide outstanding performance, reliable operation and a long service life in any type of commercial sound or general AV application.
Lab.gruppen’s innovative LUCIA (Localized Utility Compact Intelligent Amplification) brings superior audio performance and extraordinary flexibility to a decentralized approach in AV systems design. Power, processing, control and I/O are conveniently placed exactly where they are needed. In many AV applications requiring consistent, high quality audio output, LUCIA offers a logical, cost-efficient and scalable solution that eliminates the complications and added expense of a centralized equipment room for amplification, matrixing and processing. All LUCIA amplifiers incorporate a digital, firmware-controlled front end coupled to a robust, durable and highly efficient Lab.gruppen output stage, all of which make it the best sounding compact amplifier in its category.
LUCIA amplifiers install quickly and easily, with the supplied wall-mount bracket enabling discreet on-wall placement behind video displays. All connections are via Euroblock screw terminals, and level setting is available on front-panel potentiometers. An advanced protection scheme protects the amplifier and connected loudspeakers from potential damage caused by clipping, thermal overload, or extreme low line voltage.
5.2. Features (all LUCIA models)
•Maximum output power across range of loads – Power output remains constant into 2,4 and 8 ohm loads
•Auto Load SenseTM – Proprietary auto-set VPL (Voltage Peak Limiter) for optimum performance with any connected load
•Efficient Class D amplifier – Patented design for low distortion and minimal heat dissipation
•GPIO – Remote control (e.g. wall panel) for channel switching, level control and integration with paging systems
•Compact form factor – Half-rack, 1U chassis and supplied bracket for discreet on-wall mounting (e.g. behind display screens)
•Fail-safe operation – Comprehensive short circuit, thermal, and under-voltage protection
•Universal power supply – Operates at 100 - 240 V AC (50 or 60 Hz)
•ENERGY STAR® qualified – Conforms to latest specification energy efficiency standards
5.3. Additional features on LUCIA 120/2M and 240/2M only
•Comprehensive DSP features – Per channel presets for high-pass filter, parametric EQ, multi-band compressor, and look-ahead limiter
•Automatic Dynamic Loudness ContouringTM – DSP automatically adapts to optimize performance at any output level
•4 x 4 mix matrix – Enables routing of input signals internally to amplifier channels or line-level outputs
•Configuration software – Windows software wizard for initial set-up, and advanced editor for preset configuration (connection via USB). Work is in progress for Mac and iPAD versions.
•Optimized presets – Available for specific loudspeaker models
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6. Unpacking and visual checks
6. Unpacking and visual checks
Every Lab.gruppen amplifier is carefully tested and inspected before leaving the factory and should arrive in perfect condition. If any damage is discovered, please notify the shipping carrier immediately. Save the packing materials for the carrier’s inspection and for any future shipping.
7. Installation
7.1. Wall mounting
For attaching brackets (marked “B” on the drilling guide; see inside the shipping box) to the wall, please use appropriate means for mounting to a specified load of 3 kg minimum on each screw. Ensure that all four screws are secured properly to the wall. For drywall mounting, use a woodscrew (3.5 mm diameter with 25 mm minimum length) and 4.5 mm drywall plug with specified maximum load of greater than 3 kg (e.g. Molly E22412). This method of mounting is evaluated for North America according to UL/CA60065.
For mounting on surfaces other than drywall, please ensure that the method of mounting is suitable for the wall material. Also, be certain that the brackets are secured to the wall with the appropriate means to ensure similar load condition as specified previously. To attach the wall brackets “B” to your amplifier, please use the supplied 3 mm Torx machine screws.
7.2. Rack shelf mounting
The amplifier can be mounted to a rack shelf or similar by means of the three holes in the bottom marked “A” on the drilling guide (see inside the shipping box). Use a 4 mm diameter machine screw (not supplied), ensuring that the length of the screw is suitable for the thickness of the shelf. The screws used should not penetrate into the amplifier for more than 10-20 mm after mounting.
7.3. Lab.gruppen rack shelf kit
A special dedicated rack mount shelf designed to hold two LUCIA amplifiers is available from Lab.gruppen as an accessory. It includes all necessary accessories, screws, and mounting instructions.
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8. Cooling and fan operation
8. Cooling and fan operation
Ensure that there is sufficient open space on at least two ventilating surfaces (top, bottom, front and rear) of the amplifiers to allow for free air flow. Please refer to the Thermal Dissipation Chart (Section 15.4) when installing large numbers of amplifiers in air conditioned spaces.
LUCIA amplifiers feature intelligent fan control as shown in the following table.
Fan mode description |
Sustainable average |
Loudspeaker SPL extra |
Distance at which you get |
Fan noise at |
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output power |
rel. 1 W sensitivity* |
the 1 W SPL** |
1 m distance |
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Low SPL applications with proper ventilation |
Up to 2x 6 W |
7.8 dB |
2.5 m |
Off |
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(meeting rooms, etc.) |
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Medium SPL applications – whisper mode |
Up to 2x 12 W |
10.8 dB |
3.5 m |
<< 32 dBA |
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Maximum SPL with 120/2 |
2x 22 W |
13.4 dB |
4.7 m |
33 dBA |
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Maximum SPL with 240/2 |
2x 44 W |
16.2 dB |
6.7 m |
36 dBA |
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Table interpretation: In a typical application, if a loudspeaker has a sensitivity of 87 dB SPL at 1 m for 1 W, then the fan will stay silent for SPL levels up to ~95 dB (87 + 7.8) at 1 m distance from the loudspeaker; at 2.5 m from the loudspeaker will maintain levels up to 87 dB with the fan off. If the sustained average output is higher, the fan starts in whisper mode; however, this shouldn’t be an issue as the program SPL is so much higher, likely above 80 dB no matter where you are in the room.
9. Operating voltage
LUCIA amplifiers have a universal power supply that operates on AC mains from 100 – 240 V at 50 or 60 Hz. The power receptacle on the rear panel accepts the supplied IEC cord which terminates in a connector appropriate for the country of sale.
10. Grounding
Signal ground is floating via a resistor to chassis, and therefore grounding (earthing) is automatic. For safety reasons, never disconnect the earth (ground) pin on the AC power cord. Use balanced input connections to avoid hum and interference when longer input cables (more than about 1 m/ 39”) are used.
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