thomann Achat 404 A Active Speaker User Manual
- June 6, 2024
- Thomann
Table of Contents
Achat 404 A
active speaker
Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany| Telephone: +49 (0) 9546 9223-0
E-mail: info@thomann.de
Internet: www.thomann.de
18.09.2020, ID: 325267 (V2)
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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 therefore 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.
Further information
On our website (www.thomann.de) you will find lots of further information and details on the following points:
| Download | This manual is also available as a PDF file for you to download. |
|---|---|
| Keyword search | Use the search function in the electronic version to find the |
topics of interest for you quickly.
Online guides| Our online guides provide detailed information on technical
basics and terms.
Personal consultation| For a personal consultation please contact our
technical hotline.
Service| If you have any problems with the device the customer service will
gladly assist you.
Notational conventions
This manual uses the following notational conventions:
Letterings
The letterings for connectors and controls are marked by square brackets and
italics.
Examples: [VOLUME] control, [Mono] button.
Symbols and signal words
In this section you will find an overview of the meaning of symbols and signal words that are used in this manual.
| Signal word | Meaning |
|---|---|
| DANGER! | This combination of symbols and signal words indicates an immediately |
dangerous situation that will result in death or serious injury if it is not
avoided.
WARNING!| This combination of symbols and signal words indicates a possible
dangerous situation that can result in death or serious injury if it is not
avoided.
CAUTION!| This combination of symbols and signal words indicates a possible
dangerous situation that can result in minor injury if it is not avoided.
NOTICE!| This combination of symbols and signal words indicates a possible
dangerous situation that can result in material and environmental damage if it
is not avoided.
Warning signs| Type of danger
| Warning – high-voltage.
Warning signs| Type of danger
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| Warning – suspended load.
| Warning – danger zone.
Safety instructions
Intended use
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 sufficient 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.
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
protective contact plug. Do not modify the main cable or the plug. Failure to
do so could result in electric shock/death or fire. If in doubt, seek advice
from a registered electrician.
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
sufficient ear protectors.
NOTICE!
Risk of fire
Do not block areas of ventilation. Do not install the device near any direct
heat source. Keep the device away from naked flames.
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 fire.
NOTICE!
Possible damage due to installation of a wrong fuse
The use of different types of fuses can cause serious damage to the unit. Fire
hazard!
Only fuses of the same type may be used.
Features
Special features of this high-quality box:
- Connectivity options: XLR input / output
- 36 mm pole mount flange
- Wall mounting is optionally available
- Black textured paint
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 off. Use the shortest possible
high-quality cables for all connections. Take care when running the cables to
prevent tripping hazards.
WARNING!
Risk of injury caused by falling objects
Make sure that the installation complies with the standards and rules that
apply in your country. Always secure the device with a secondary safety
attachment, such as a safety cable or a safety chain.
NOTICE!
Possible property 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.
Tips on handling speakers
We recommend you set up the speakers in a way, that the sound signals can
reach the audience unobstructedly. It will often be helpful to mount the
speakers on tripods. Thus, the sound will be evenly spread with maximum range
throughout the audience area.
Always use the high-grade cable to connect your equipment. Otherwise, you
won’t reach maximum sound quality.
If you notice distortion during operation, the active speaker is overloaded.
This may permanently damage the device. Always reduce the volume as soon as
you hear distortion.
Connections and operating elements
1| Connection for the supply voltage
IEC chassis plug for power supply with fuse holder
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2| [ POWER ON/OFF] Use this switch (power switch) to turn the unit on and off.
3| [DISABLE/ENABLE] Slide switch to enable or disable the power-saving mode.
If the speaker box is in power save mode and receives no signal for 60
minutes, it switches to standby mode. As soon
as the unit receives a signal, it switches automatically back to normal mode.
4| [VOLUME] Volume control
5| [STANDBY] Standby operation. This LED lights up when the box – on activated
power save mode – switches to Standby mode
and turns off when the box is switched back to normal operation.
[PEAK] Indicates overload. If the LED flickers or is lit, the input signal
level is too high.
[SIGNAL] This indicates that an input signal is present.
[ACTIVE] Power indicator. This LED lights up continuously in normal operation
and turns off when the box – on activated
power save mode – switches to standby mode.
6| [INPUT] Line signal input designed as XLR chassis socket
7| [OUTPUT] Line output for connecting further speakers, designed as XLR plug
Technical specifications
| Speaker | 4 × 4” speaker, 1” BMS driver |
|---|---|
| Input connections | LINE IN |
| Power supply | IEC chassis plug C14 |
| Input impedance | XLR socket: 20 kΩ (balanced), 10 kΩ (unbalanced) |
| Output connections | LINE OUT |
| Output power | RMS: 110 W |
Peak: 400 W
Frequency range| 160 Hz … 20 kHz
Crossover frequency| 2,0 kHz
Signal-to-noise ratio| Woofer: ≥85 dB
Tweeter: ≥80 dB
Sound pressure level (SPL), max.| 117 dB
Dispersion angle (H × V)| 150° × 30°
Power consumption| 20 W
Supply voltage| 100 – 240 V 50/60 Hz
Fuse| 5 mm × 20 mm, 5 A, 250 V, slow-blow
Dimensions (W × H × D)| 144 mm × 692 mm × 166 mm
Weight| 8 kg
Ambient conditions| 150° × 30°
Ambient conditions| Temperature range| 0 °C…40 °C
Relative humidity| 50 %, non-condensing
Further information
Multifunctional housing| No
Tripod flange| Yes
Truss-capable| No
Plug and connection assignment
Introduction| This chapter will help you select the right cables and plugs to
connect your valuable equipment in such a way that a perfect sound experience
is ensured.
Please note these devices, because especially in ‘Sound & Light’ caution is
indicated: Even if a plug fits into the socket, an incorrect connection may
result in a destroyed power amp, a short circuit, or ‘just’ in poor
transmission quality!
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Balanced and unbalanced trans‐
mission| Unbalanced transmission is mainly used in semi-professional
environments and in hifi use.
Instrument cables with two conductors (one core plus shielding) are typical
representatives of the unbalanced transmission. One conductor is ground and
shielded while the signal is transmitted through the core.
Unbalanced transmission is susceptible to electromagnetic interference,
especially at low levels, such as microphone signals and when using long
cables.
In a professional environment, therefore, balanced transmission is preferred,
because this enables an undisturbed transmission of signals over long
distances. In addition to the conductors ‘Ground’ and ‘Signal’, in a balanced
transmission a second core is added. This also transfers the signal but is
phase-shifted by 180°. 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 interference.
XLR plug (balanced)
| 1 | Ground, shielding |
|---|---|
| 2 | Signal (in phase, +) |
| 3 | Signal (out of phase, –) |
| 4 | Shielding on plug housing (option) |
XLR plug (unbalanced)
| 1 | Ground, shielding |
|---|---|
| 2 | Signal |
| 3 | Bridged to pin 1 |
Protecting the environment
Disposal of the packaging material
For the transport and protective packaging, environmentally friendly materials
have been chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose of these materials with your normal household waste, but
make sure that they are collected for recycling. Please follow the notes and
markings on the packaging.
Disposal of your old device
This product is subject to the European Waste Electrical and Electronic Equipment Directive ( WEEE ) in its currently valid version. Do not dispose of with your normal household waste. Dispose of this device through an approved waste disposal firm or through your local waste facility. When discarding the device, comply with the rules and regulations that apply in your country. If in doubt, consult your local waste disposal facility.
Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany ·
www.thomann.de
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