General notes General notes This manual contains important instructions for the safe operation of the unit. Read and follow the safety instructions and all other instructions. Keep the manual for future reference. Make sure that it is available to all those using the device. If you sell the unit please make sure that the buyer also receives this manual.
General notes 1.1 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 PDF file for you to download. Use the search function in the electronic version to find the topics of Keyword search interest for you quickly.
General notes 1.2 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. 1.3 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.
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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. Achat 115 Sub A...
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General notes Warning signs Type of danger Warning – suspended load. Warning – danger zone. active subwoofer...
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. Achat 115 Sub A...
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Safety instructions 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. DANGER! Electric shock caused by short-circuit Always use proper ready-made insulated mains cabling (power cord). Do not modify the mains cable.
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If this is not possible, keep a greater distance or use suffi‐ cient ear protectors. NOTICE! Risk of fire Do not cover the device nor any ventilation slots. Do not place the device near any direct heat source. Keep the device away from naked flames. Achat 115 Sub A...
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Safety instructions 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. 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.
Adjustable high cut Phase reverse switch Connection options – XLR input/output and XLR top output – powerCON input/output Protective cover (not included) available as item numbers 250075 and 278185 Rollers (not included) available as item number 243578 Achat 115 Sub A...
Installation Installation Unpack and carefully check that there is no transportation damage before using the unit. Keep the equipment packaging. To fully protect the device against vibration, dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage, respectively.
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Due to the heavy weight of the device, at least two persons are required for trans‐ port and installation. 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. Achat 115 Sub A...
Installation 4.1 Tips on handling speakers We recommend you to set up the speakers in a way, that the sound signals can reach the audi‐ ence 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.
Connections and controls Connections and controls Achat 115 Sub A...
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Connections and controls 1 [POWER ON / OFF] Mains switch to turn the device on/off. 2 [AC INPUT] Blue lockable powerCON input socket (NAC3FA). 3 [AC OUTPUT] Grey lockable powerCON output socket (NAC3FCB). This output is looped through from the blue input socket [AC INPUT].
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Power indicator. This LED lights up continuously during normal operation and turns off when the subwoofer is turned off. 11 LED [PEAK] Indicates overload. If the LED flickers or is lit, the input signal level is too high. Achat 115 Sub A...
Technical data Technical data System Active subwoofer Configuration 1 × 15 in. woofer Output power 750 W (RMS) Maximum SPL 130 dB Frequency range 45 Hz … 200 Hz Distortion < 0.5 % at 100 Hz Input LINE IN designed as XLR chassis plug Outputs LINE OUT and 125 HzHPF OUT designed as XLR-input plugs Mains power supply...
In addition to the conduc‐ tors ‘Ground’ and ‘Signal’, in a balanced transmission a second core is added. This also transfers the signal, but phase-shifted by 180°. Achat 115 Sub A...
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Plug and connection assignment 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. XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) XLR plug (unbalanced) Ground, shielding...
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. Achat 115 Sub A...