the box pro A 218 LA Subwoofer User manual

A 218 LA

active subwoofer

user manual

Musikhaus Thomann

Thomann GmbH

Hans-Thomann-Straße 1

96138 Burgebrach

Germany

Telephone: +49 (0) 9546 9223-0

E-mail: [email protected]

Internet: www.thomann.de

22.02.2021, ID: 313916 (V2)

Table of contents

1 General information................................................................................................................................. 4

1.1 Further information........................................................................................................................... 5

1.2 Notational conventions.................................................................................................................... 6

1.3 Symbols and signal words............................................................................................................... 7

2 Safety instructions..................................................................................................................................... 9

3 Features....................................................................................................................................................... 14

4 Installation.................................................................................................................................................. 15

5 Connections and operating elements........................................................................................... 17

6 Starting up.................................................................................................................................................. 22

7 Networking and remote control...................................................................................................... 26

8 Technical specications....................................................................................................................... 30

9 Plug and connection assignment.................................................................................................... 32

10 Protecting the environment.............................................................................................................. 34

Table of contents

A 218 LA

3

1 General information

This user manual contains important information on the safe operation of the device. Read and

follow all safety notes and all instructions. Save this manual for future reference. Make sure

that it is available to all persons using this device. If you sell the device to another user, be sure

that they also receive this manual.

Our products and user manuals are subject to a process of continuous development. We there‐

fore reserve the right to make changes without notice. Please refer to the latest version of the

user manual which is ready for download under www.thomann.de.

General information

active subwoofer

4

1.1 Further information

On our website (www.thomann.de) you will nd lots of further information and details on the

following points:

Download This manual is also available as PDF le for you to download.

Keyword search

Use the search function in the electronic version to nd the topics of

interest for you quickly.

Online guides

Our online guides provide detailed information on technical basics

and terms.

Personal consultation For personal consultation please contact our technical hotline.

Service

If you have any problems with the device the customer service will

gladly assist you.

General information

A 218 LA

5

1.2 Notational conventions

This manual uses the following notational conventions:

The letterings for connectors and controls are marked by square brackets and italics.

Examples: [VOLUME] control, [Mono] button.

The individual steps of an instruction are numbered consecutively. The result of a step is

indented and highlighted by an arrow.

Example:

1. Switch on the device.

2. Press [Auto].

ð

Automatic operation is started.

3. Switch o the device.

Letterings

Instructions

General information

active subwoofer

6

1.3 Symbols and signal words

In this section you will nd an overview of the meaning of symbols and signal words that are

used in this manual.

Signal word Meaning

DANGER! This combination of symbol and signal word indicates an

immediate dangerous situation that will result in death or

serious injury if it is not avoided.

CAUTION! This combination of symbol and signal word indicates a pos‐

sible dangerous situation that can result in minor injury if it

is not avoided.

NOTICE! This combination of symbol and signal word indicates a pos‐

sible dangerous situation that can result in material and

environmental damage if it is not avoided.

General information

A 218 LA

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Warning signs Type of danger

Warning – high-voltage.

Warning – danger zone.

General information

active subwoofer

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2 Safety instructions

This device is designed for sound reinforcement. Use the device only as described in this user

manual. Any other use or use under other operating conditions is considered to be improper

and may result in personal injury or property damage. No liability will be assumed for damages

resulting from improper use.

This device may be used only by persons with sucient physical, 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 for their safety.

DANGER!

Danger for children

Ensure that plastic bags, packaging, etc. are disposed of properly and are not

within reach of babies and young children. Choking hazard!

Ensure that children do not detach any small parts (e.g. knobs or the like) from

the unit. They could swallow the pieces and choke!

Never let children unattended use electrical devices.

Intended use

Safety

Safety instructions

A 218 LA

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DANGER!

Electric shock caused by high voltages inside

Within the device there are areas where high voltages may be present. Never

remove any covers.

There are no user-serviceable parts inside.

Do not use the device if covers, protectors or optical components are missing or

damaged.

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 so could result in electric shock/death or

re. If in doubt, seek advice from a registered electrician.

Safety instructions

active subwoofer

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CAUTION!

Possible hearing damage

The device can produce volume levels that may cause temporary or permanent

hearing impairment. Over an extended period of time, even levels that seem to

be uncritical 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 su‐

cient ear protectors.

NOTICE!

Risk of re

Do not block areas of ventilation. Do not install the device near any direct heat

source. Keep the device away from naked ames.

Safety instructions

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NOTICE!

Operating conditions

This device has been designed for indoor use only. To prevent damage, never

expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and

strong vibrations.

Only operate the device within the ambient conditions specied in the chapter

‘Technical specications’ of this user manual. Avoid heavy temperature uctua‐

tions and do not switch the device on immediately after it was exposed to tem‐

perature uctuations (for example after transport at low outside temperatures).

Dust and dirt inside can damage the unit. When operated in harmful ambient

conditions (dust, smoke, nicotine, fog, etc.), the unit should be maintained by

qualied service personnel at regular intervals to prevent overheating and other

malfunction.

Safety instructions

active subwoofer

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NOTICE!

Power supply

Before connecting 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 in damage to the device and

possibly injure the user.

Unplug the device before electrical storms occur and when it is unused for long

periods of time to reduce the risk of electric shock or re.

Safety instructions

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3 Features

Special features of the device:

n Active subwoofer with 2 × 18" woofers (4" voice coils)

n 2 × 1000 W Class D amplier

n Internal Sound Processor (DSP) with four presets

n Connection options: XLR chassis socket for signal input, XLR chassis plug for signal output

n Lockable input socket (Power Twist)

n Network port for connecting a notebook/PC using exclusively the CanBus converters (item

no. 440591 the box pro USB2CAND CanBus Converter) and the Pronet software (free

download from

www.thomann.de)

n Ten carrying handles

n Birch plywood housing with waterproof paint

n Four heavy-duty casters included

Features

active subwoofer

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4 Installation

Unpack and check carefully there is no transportation damage before using the unit. Keep the

equipment packaging. To fully protect the product against vibration, dust and moisture during

transportation or storage use the original packaging or your own packaging material suitable

for transport or storage, respectively.

Create all connections while the device is o. Use the shortest possible high-quality cables for

all connections. Take care when running the cables to prevent tripping hazards.

CAUTION!

Risk of injury due to heavy weight

Due to the heavy weight of the device, at least two persons are required for trans‐

port and installation.

Installation

A 218 LA

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NOTICE!

Possible property damage by magnetic elds

Loudspeakers produce a static magnetic eld. Therefore, maintain an appropriate

distance to devices that can be adversely aected or damaged by an external

magnetic eld.

Installation

active subwoofer

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5 Connections and operating elements

Connections and operating elements

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1 [INPUT]

Audio signal input with lockable XLR chassis socket. The socket is electronically perfectly symmetrical wired to ach‐

ieve an optimal signal-to-noise ratio and a sucient power reserve, including A / D conversion.

2 [GND LIFT] pushbutton

If hum is caused by a ground loop, you can use this switch to disconnect the connection between the earth pin of the

device and the signal ground of the device. Switching only has an eect when using balanced connection cables.

3 [LINK]

Audio signal output with XLR 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 must be terminated with the built-in load

resistance. Press the pushbutton [TERMINATE]. The LED above it lights up.

5 [MAINS IN]

Blue lockable input socket (Power Twist). To turn the unit on, plug the Power Twist power cord or the Power Twist

connector cable from another device into this socket and turn the plug clockwise to the position [ON]. To turn the

unit o, pull the locking lever on the plug backwards and turn the plug counter-clockwise to the position [PUSH OFF].

Connections and operating elements

active subwoofer

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6, 7 [NETWORK IN/OUT]

RJ45 CAT5 connectors for establishing a network connection to the CanBus Converter (item no. 440591), to the

Pronet software and to the line array elements.

Connections and operating elements

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8 Preset button

This button has two functions:

n If kept pressed while turning the device on, the ID assignment is made. The internal digital signal processor (DSP)

assigns a new ID to the device for the remote control within the Pronet network. Each element must have a

unique ID so that it can be represented in the Pronet network. If you assign a new ID, all elements with already

assigned IDs must be turned on and connected to the Pronet network.

n If the elements is already on, pressing the button selects the DSP preset. The selected preset is indicated by the

corresponding LED.

– [STANDARD]

This setting is suitable for all applications where the frequency range up to 90 Hz is to be transmitted and

amplied. The setting is suitable for most environments and for combinations with vertically own Line

Arrays.

– [INFRA]

This setting can be used when a deeper ‘response’ in the bass range is required. This will slightly reduce the

sound pressure of the system. Note that the settings [STANDARD] and [INFRA] must not be used by two adja‐

cent devices at a time.

– [CARDIOID]

This setting is useful for a device that is aligned to the stage in the back of two other subwoofers. The bass

level is reduced towards the stage. For a sample application, see

Ä

‘Application example for stacked sub‐

woofers’ on page 23.

– [USER]

Connections and operating elements

active subwoofer

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the box pro A 218 LA Subwoofer User manual

the box pro A 218 LA Subwoofer User manual

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