General notes General notes This user manual contains important information on 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 other users, be sure that they also receive this manual.
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NOTICE! This combination of symbol and signal word 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. Mon A10, A12, A15...
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General notes Warning signs Type of danger Warning – danger zone. active monitor...
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. Mon A10, A12, A15...
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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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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. Mon A10, A12, A15...
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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.
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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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. Mon A10, A12, A15...
Connections and operating elements Connections and operating elements Rear panel active monitor...
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4 IEC chassis connector for operating voltage supply. 5 Fuse holder. 6 Slide switch LINE VOLTAGE This switch is used to adapt the device to the local supply voltage. 115: AC 105…120 V 230: AC 210…240 V (factory default setting) Mon A10, A12, A15...
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Connections and operating elements 7 Mains switch POWER Turns the unit on or off. 8 MONITOR/FOH button Use this switch to select various EQ characteristics, suitable for different applications. MONITOR: For use as stage monitor with feedback suppression FOH: For use as PA speaker (front of house) 9 LED ON This LED lights up green when the device is switched on and voltage supply is present.
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Control to adjust the LINE input level. Turn the knob clockwise or counter-clockwise to increase or decrease the input volume. In zero-position, the signal is completely attenuated. In maximum position, the signal is processed without any attenuation. Mon A10, A12, A15...
Technical specifications Technical specifications Pro Mon A10, Pro Mon A12, Pro Mon A15, Item no. 309203 Item no. 309205 Item no. 309207 System 2-way active monitor Speakers 1 × 10" woofer 1 × 12" woofer 1 × 15" woofer 1 × 1" tweeter 1 ×...
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Dimensions (W × H × D) 480 mm × 300 mm × 420 mm 510 mm × 340 mm × 500 mm 610 mm × 365 mm × 545 mm Weight 11 kg 15 kg 19.5 kg Mon A10, A12, A15...
Plug and connection assignment Plug and connection assignment Introduction This chapter will help you select the right cables and plugs to connect your valuable equip‐ ment in such a way that a perfect sound experience is ensured. Please note these advices, 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’...
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The result is a pure signal without any noise inter‐ ference. 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground Mon A10, A12, A15...
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Plug and connection assignment 1/4" TRS phone plug (stereo, unbalanced) Signal (left) Signal (right) Ground XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) active monitor...
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Plug and connection assignment XLR plug (unbalanced) Ground, shielding Signal Bridged to pin 1 Mon A10, A12, A15...
Troubleshooting Troubleshooting In the following we list a few common problems that may occur during operation. We give you some suggestions for easy troubleshooting: Symptom Remedy The unit does not work 1. Check the power supply connection and the position of the mains switch POWER.
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3. Make sure that all audio devices are connected on the same power grid circuit and therefore share the same ground reference. If the procedures recommended above do not succeed, please contact our Service Center. You can find the contact information at www.thomann.de. Mon A10, A12, A15...
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 of these materials with your normal household waste, but make sure that they are collected for recycling.
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