thomann The Box Pro A 218 LA User Manual Download Page 30 | Manualshive

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Since the interference affects both cores equally, by subtracting the phase-shifted signals, the

interfering signal is completely neutralized. The result is a pure signal without any noise inter‐

ference.

1

Ground, shielding

2

Signal (in phase, +)

3

Signal (out of phase, –)

XLR plug (balanced)

Plug and connection assignment

active subwoofer

30

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Summary of Contents for The Box Pro A 218 LA

Page 1: ...A 218 LA active subwoofer user manual...

Page 2: ...Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 13 11 2013...

Page 3: ...s 7 3 Features 11 4 Installation 12 5 Connections and operating elements 14 6 Starting up 19 7 Networking and remote control 23 8 Technical specifications 27 9 Plug and connection assignment 29 10 Pro...

Page 4: ...ons Save this manual for future reference Make sure that it is available to all persons using this device If you sell the device to other users be sure that they also receive this manual Our products...

Page 5: ...s injury if it is not avoided CAUTION This combination of symbol and signal word indicates a possible dangerous situation that can result in minor injury if it is not avoided NOTICE This combination o...

Page 6: ...Warning signs Type of danger Warning danger zone General notes active subwoofer 6...

Page 7: ...sical sensorial and intellectual abilities and having corresponding knowledge and experience Other persons may use this device only if they are supervised or instructed by a person who is responsible...

Page 8: ...ers There are no user serviceable parts inside DANGER Electric shock caused by short circuit Always use proper ready made insulated mains cabling power cord Do not modify the mains cable Failure to do...

Page 9: ...can cause hearing damage Decrease the volume level immediately if you experience ringing in your ears or hearing impairment If this is not possible keep a greater distance or use suffi cient ear prote...

Page 10: ...ting the device ensure that the input voltage AC outlet matches the voltage rating of the device and that the AC outlet is protected by a residual current circuit breaker Failure to do so could result...

Page 11: ...ssis socket for signal input XLR chassis plug for signal output n powerCON input n Network port for connecting a notebook PC using exclusively the CanBus converters item no 326058 the box pro USB2CAN...

Page 12: ...storage use the original packaging or your own packaging material suitable for transport or storage respectively Establish all connections as long as the unit is switched off Use the shortest possible...

Page 13: ...y damage by magnetic fields Loudspeakers produce a static magnetic field Therefore maintain an appropriate distance to devices that can be adversely affected or damaged by an external magnetic field I...

Page 14: ...5 Connections and operating elements Connections and operating elements active subwoofer 14...

Page 15: ...chassis plug to connect other line array elements or speakers to which the input signal is passed 4 TERMINATE pushbutton If the devices is networked together with Line Array elements the last unit mu...

Page 16: ...OUT RJ45 CAT5 connectors for establishing a network connection to the CanBus Converter item number 326058 to the Pronet software and to the line array elements Connections and operating elements activ...

Page 17: ...sponding LED STANDARD This setting is suitable for all applications where the frequency range up to 90 Hz is to be transmitted and amplified The setting is suitable for most environments and for combi...

Page 18: ...This LED lights green when an input signal is present This LED lights red when the internal output signal is limited due to excessive input signal level 10 LED PROT This LED lights red when the protec...

Page 19: ...e switch for turning on the entire audio system and to always leave the powerCon plugs connected to the sockets of the individual elements With this simple trick you can extend the life of the powerCO...

Page 20: ...im to the stage working with the DSP preset CARDIOID The other two devices point toward the audience and work with the DSP preset STANDARD By this configuration the bass level for the artists on stage...

Page 21: ...Starting up A 218 LA 21...

Page 22: ...e obstacle 3 Auditorium 4 Doubled bass 5 Reduced bass Subwoofer stacks must be placed at a distance of 80 cm from walls and fixed obstacles so that the sound is not affected by reflections Starting up...

Page 23: ...otocol used in the Pronet network is CanBus All you need to build such a network is the free Thomann Pronet software offered in the Tho mann Cyberstore for download the CanBus Converter item number 32...

Page 24: ...1 Network ports on the rear panel of the first unit 2 TERMINATE pushbutton must not be pressed The LED above it is off Networking and remote control active subwoofer 24...

Page 25: ...nits between the CanBus converter and the last device must not be pressed Each device of a Pronet network must have a unique identifier or ID By default the USB2CAN converter has the ID 0 Any other de...

Page 26: ...il the last device is turned on When a new device is to be added only step 4 must be repeated Each device keeps its ID even if it is turned off as it is stored in the internal memory of the device The...

Page 27: ...ance 20 k Input sensitivity 4 dBu 1 25 V Output XLR chassis plug Frequency response 36 Hz 100 Hz 3 dB Output power 2 2000 W RMS Sound pressure level in 1 m distance 141 dB max Operating supply voltage...

Page 28: ...Dimensions W H D without casters 1215 mm 590 mm 950 mm Weight 101 7 kg Technical specifications active subwoofer 28...

Page 29: ...uctors one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground and shielding while the signal is trans mitted through the core Unbalanced transmissio...

Page 30: ...the phase shifted signals the interfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Ground shielding 2 Signal in phase 3 Signal out of phase XLR p...

Page 31: ...ng Please follow the notes and markings on the packaging This product is subject to the European Waste Electrical and Electronic Equipment Directive WEEE Do not dispose with your normal household wast...

Page 32: ...Notes active subwoofer 32...

Page 33: ...Notes A 218 LA 33...

Page 34: ...Notes active subwoofer 34...

Page 35: ......

Page 36: ...Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany www thomann de...

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