General notes General notes 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.
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General notes 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 possible dangerous situation that can result in minor injury if it is not avoided.
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General notes Warning signs Type of danger Warning – danger zone. active full-range speaker...
Safety instructions Safety instructions Intended use This device is intended to be used in a sound reinforcement system. Use the device only as described in this user manual. Any other use or use under other operating conditions is consid‐ ered to be improper and may result in personal injury or property damage. No liability will be assumed for damages resulting from improper use.
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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) with a pro‐ tective contact plug.
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Safety instructions 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.
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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.
Features Features Special features of this active two-way monitor: 15" woofer 1" compression driver 2 individually adjustable inputs, one with selectable sensitivity 1 output for an additional speaker (lockable NL4 socket) 1 line output 2 tone controls Black textured coating Achat MA1520 MK II...
Installation Installation Unpack and check carefully 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.
Installation 4.1 Pin assignment You can use XLR plugs with balanced or unbalanced wiring. In the following we will give you an overview of the various possibilities. XLR connections for signal XLR mounting sockets are used for signal inputs. XLR mounting plugs provide the output sig‐ inputs and outputs nals.
Installation Unbalanced wiring: Ground, shielding Signal Bridged to pin 1 4.2 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 operating elements Connections and operating elements Achat MA1520 MK II...
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Connections and operating elements 230 V (50/60Hz) Connection for mains supply voltage IEC chassis connector with fuse holder for operating voltage supply. If the fuse blows you have to replace it by a new one with same specifications. Before, you must disconnect the unit from the mains power. 2 I / O (ON/OFF) Use the mains switch to power the unit on or off.
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Connections and operating elements 7 LINE/MIC Toggles the sensitivity of input 1 between line and microphone level. 8 PEAK Indicates overloading (Clipping). In this case the level of the input signals is too high. 9, 10 VOLUME 1, 2 Level control for signal inputs 1 and 2. 11 TREBLE Tone control to adjust the high frequencies.
Protecting the environment Protecting the environment Disposal of the packaging mate‐ rial 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 these materials with your normal household waste, but make sure that they are fed to a recovery.
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