thomann The Box MA8/2 CL User manual

MA8/2 CL
active speaker
user manual

Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: [phone]
E-mail: [email protected]
Internet: www.thomann.de
15.09.2020, ID: 137596 (V2)

Table of contents
1 General information................................................................................................................................. 4
1.1 Further information........................................................................................................................... 5
1.2 Notational conventions.................................................................................................................... 6
1.3 Symbols and signal words............................................................................................................... 6
2 Safety instructions..................................................................................................................................... 8
3 Features....................................................................................................................................................... 14
4 Installation.................................................................................................................................................. 15
5 Connections and operating elements........................................................................................... 17
6 Technical specications....................................................................................................................... 20
7 Plug and connection assignment.................................................................................................... 22
8 Protecting the environment.............................................................................................................. 26
Table of contents
MA8/2 CL
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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
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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
MA8/2 CL
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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.
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.
Letterings
General information
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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.
Warning signs Type of danger
Warning – high-voltage.
Warning – danger zone.
General information
MA8/2 CL
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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
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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) with a pro‐
tective contact plug. Do not modify the mains cable or the plug. Failure to do so
could result in electric shock/death or re. If in doubt, seek advice from a regis‐
tered electrician.
Safety instructions
MA8/2 CL
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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
MA8/2 CL
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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.
NOTICE!
Possible damage due to installation of a wrong fuse
The use of dierent types of fuses can cause serious damage to the unit. Fire
hazard!
Only fuses of the same type may be used.
Safety instructions
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NOTICE!
Possible staining
The plasticiser contained in the rubber feet of this product may possibly react
with the coating of your parquet, linoleum, laminate or PVC oor and after some
time cause permanent dark stains.
In case of doubt, do not put the rubber feet directly on the oor, but use felt-pad
oor protectors or a carpet.
Safety instructions
MA8/2 CL
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3 Features
Special features of the device:
nXLR / 1/4" combo socket for input
nXLR panel plug for output
nslanted housing for use as oor monitor
nside handle
nTripod adapter optionally available
nProtective cover optionally available
Features
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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.
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
MA8/2 CL
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NOTICE!
Use of stands
When mounting the device onto a stand, ensure that the stand is in a safe and
stable position and that the weight of the device does not exceed the maximum
permissible load capacity of the stand.
Installation
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5 Connections and operating elements
Rear panel
Connections and operating elements
MA8/2 CL
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1[LINE IN]
Input for balanced or unbalanced line level signals, designed as XLR / 1/4" combo sockets
2[LINE OUT]
Balanced output with line level for feeding the signal to other audio devices, designed as XLR panel plug
3[LEVEL]
Rotary volume control. The device cannot be muted by turning this control to MIN. To mute the signal, please make
this setting on the signal source or on the mixer.
4[OVERLOAD]
This LED lights up red when the amplier is clipping (due to excessive input signal level!). In this case, lower the input
signal with the rotary control [LEVEL].
5[POWER]
This LED lights green when the unit is turned on and the power supply voltage is present.
Connections and operating elements
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6[POWER MODE]
Slide switch to choose between automatic standby mode and continuous operation
AUTO: If the power switch is on, the device is activated automatically once an input signal is present. After a few
minutes without an input signal, the device switches to standby mode.
ON: The device remains permanently active when the power switch is on.
7 IEC chassis plug with fuse holder for the power supply
8[POWER]
Turns the device on and o.
Connections and operating elements
MA8/2 CL
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6 Technical specications
Speaker 1 × 8" speaker
Input connections LINE IN 1 × XLR / 1/4" jack combo socket
Voltage supply IEC chassis plug C14
Input impedance 50 kΩ
Output connections LINE OUT 1 × XLR panel plug, 3-pin
Output power RMS: 70 W
Peak: 120 W
Frequency range 80 Hz … 20 kHz
Crossover frequency 2.0 kHz
Signal-to-noise ratio 93 dB
Sound pressure level (SPL),
max.
115 dB
Technical specications
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