Table of contents Table of contents General information..........................4 1.1 Further information........................... 5 1.2 Notational conventions........................6 1.3 Symbols and signal words....................... 6 Safety instructions............................. 8 Features............................... 12 Installation and starting up........................ 13 Connections and operating elements................... 14 Technical specifications........................17 Plug and connection assignment....................
General information General information 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 information 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 information 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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General information 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.
Safety instructions Safety instructions Intended use This device amplifies electric audio frequency signals to operate passive speakers. Use the device only as described in this user manual. Any other use or use under other operating con‐ ditions 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.
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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! Magnetic fields The device generates strong magnetic fields that can interfere with the function of poorly shielded devices.
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Safety instructions NOTICE! External power supply The device is powered by an external power supply. Before connecting the external power supply, ensure that the input voltage (AC outlet) matches the voltage rating of the device and that the AC outlet is protected by a residual cur‐ rent circuit breaker.
Features Features Minimal space requirement Ideal for mounting on flat panel displays, in suspended ceilings,… Output power: 2 × 17 W @ 4 Ω (2 × 20 W max.) Integrated limiter Suitable DC 24 V power supply included mini power amp module...
Installation and starting up Installation and starting up 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.
Connections and operating elements Connections and operating elements mini power amp module...
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Connections and operating elements 1 [STEREO | BRIDGE] Switch for operating modes ‘STEREO’ (channels operate independently of each other) and ‘BRIDGED’ (channels are interconnected to form one channel with double output). 2 [LIMITER OFF | ON] On / off switch for the integrated limiter. 3 [VOLUME] Volume control.
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Connections and operating elements 6 [INPUT] Input socket (3.5 mm mini phone jack) for connecting the signal source. 7 [SPEAKER OUTPUT] Phoenix terminals to connect speaker boxes in bridged (one speaker box with 8 Ω) or stereo mode (two speaker boxes with 4 Ω...
Technical specifications Technical specifications Output power 2 x 17 W @ 4 Ω (2 x 20 W max.) Frequency range 35 Hz…50 kHz, -3.5 dB Input sensitivity 330 mV (17 W, 4 Ω) Input impedance 10 kΩ Signal-to-noise ratio -95 dB (4 Ω, 1 K) 6.5 % Protection circuit Limiter...
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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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. 1/4" TS phone plug (mono, unbalanced) Signal Ground 3.5 mm TRS phone plug (mono, balanced)
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Plug and connection assignment Three-pole 1/8" mini phone jack (stereo, unbalanced) Signal (left) Signal (right) Ground, shielding mini power amp module...
Cleaning Cleaning Fan grids The fan grids of the device must be cleaned on a regular basis to remove dust and dirt. Before cleaning, switch off the device and disconnect AC-powered devices from the mains. Use a lint- free damp cloth for cleaning. Never use solvents or alcohol for cleaning. TA-50...
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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