TA-50 mini power amp module user manual
Contents
1. The strongest magnetic fields are directly above and below the power amplifier Therefore never place sensitive devices such as pre amplifiers radio transmission systems or tape decks directly above or below the power amplifier When installing the power amplifier into a rack you should place it in the lowest position and further equipment such as pre amplifiers in the highest position th mann MUSIC IS OUR PASSION 10 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 Failure to do so could result in damage to the device and pos sibly the user Unplug the external power supply before electrical storms occur and when the device is unused for long periods of time to reduce the risk of electric shock or fire th mann MUSIC IS OUR PASSION 11 Features 3 Features th mann MUSIC IS OUR PASSION 12 Minimal space requirement Ideal for mounting on flat panel displays in suspended ceilings Output power 2 x 17 W 4 0 2 x 20 W max Integrated limiter Suitable DC 24 V power supply included Standby feature Installation and starting up 4 Installation and starting up Unpack and carefully check that there is no transportation damage before using2. 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 Safety 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 th mann MUSIC IS OUR PASSION 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 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 th mann MUSIC IS OUR PASSION 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
3. and shielding while the signal is trans mitted 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 the balanced transmission is preferred because this enables an undisturbed transmission of signals over long distances 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 18 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 3 5 mm TRS phone plug mono balanced th mann MUSIC IS OUR PASSION 19 Plug and connection assignment Three pole 1 8 mini phone jack stereo unbalanced th mann 20 Cleaning 8 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 th mann MUSIC IS OUR PASSION 21 Protecting the environment 9 Protecting the environment Disposal of the pa
4. ckaging 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 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 Do not dispose 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 th mann MUSIC IS OUR PASSION 22 Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de
5. ng the signal source 8 SPEAKER OUTPUT Phoenix terminals to connect speaker boxes in bridged one speaker box with 80 or stereo mode two speaker boxes with 4 O each see wiring diagram on the unit mini power amp module 6 Technical specifications Output power Frequency range Input sensitivity Input impedance Signal to noise ratio THD Protection circuit Control indicator Power consumption at half output power Operating supply voltage Dimensions W x D x H Weight 2x20W 40 35 Hz 50 kHz 3 5 dB 330 mV 17 W 4 Q 10 KQ 95 dB 40 1 K 6 5 Limiter Power 40 W DC 24V 145 mm x 95 mm x 45 mm 0 6 kg TA 50 Plug and connection assignment 7 Plug and connection assignment Introduction Balanced and unbalanced trans mission th mann MUSIC IS OUR PASSION 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 amp 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 Unbalanced transmission is mainly used in semi professional environment and in hifi use Instrument cables with two conductors one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground
6. scceseecsucesseessecetscesseecsneeeseeesees 22 th mann MUSIC IS OUR PASSION General information 1 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 Our products are subject to a process of continuous development Thus they are subject to change th mann MUSIC IS OUR PASSION 1 1 Further information On our website www thomann de you will find lots of further information and details on the following points Download Keyword search Online guides Personal consultation Service 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 interest for you quickly Our online guides provide detailed information on technical basics and terms For personal consultation please contact our technical hotline If you have any problems with the device the customer service will gladly assist you TA 50 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 b
7. th mann MUSIC IS OUR PASSION the t amp TA 50 mini power amp module user manual Musikhaus Thomann Thomann GmbH Hans Thomann Stra e 1 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 13 08 2015 ID 328775 Table of contents vo a vu A w N Table of contents General information cccccccesssessessessssssssssssessessesssesssssssssessssseseesecseesseeseesessssancancesesssssseeseeseeneenses 4 1 1 Further information 1 2 Notational conventions 6 1 3 Symbols and signal WOrdS sssccssccsssecssecsssccsnscesssccseccssscessecsescessseesasecsssceeseeesseecsneessnseesneeesseensee 6 Safety instructions uu ucsesidnieenniins keiten 8 Features en eeinniikenehmnisleitisisehrseinerhssigeret 12 Installation and starting UP cccccsssscsssscsssecsssecsssecsseccssecessecsssecssscesseccssccsscessseessseceseecsneecsnseesaes 13 Connections and operating elements unnneesennssennseennsennnsennssnnnssnnssennssnnnsennen 14 Technical specifications ccccesssssssssssssssssssecssessssssssssssssessessssssscsssessucssssenccsscssucesscenessseessessseeses 17 Plug and connection assignMentt 0 ccccsccssssssscssscssseessescssccessccessecsuecsnscessecceseesuecsseeesneeeseeesees 18 GIEANING nenne ee een et REITEN 21 Protecting the EnvironMent 0 cccsesscssscssseccssecssecsssccssecsssccnscessece
8. 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 Establish all connections as long as the unit is switched off Use the shortest possible high quality cables for all connections The device is suited for mounting on flat panel displays in suspended ceilings etc Two suit able mounting brackets are included th mann MUSIC IS OUR PASSION 13 Connections and operating elements 5 Connections and operating elements th mann 14 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 LIMITER OFF ON On off switch for the integrated limiter VOLUME Volume control POWER Power indicator The Power indicator is lit green during normal operation and changes to red in standby mode POWER OFF AUTO ON Position OFF Unit switched off Position AUTO Unit switched on The unit automatically enters the standby mode when no input signal is present for 15 minutes Position ON Unit switched on standby feature disabled TA 50 6 DC24VIN Phoenix terminals to connect the supplied 24 V power adapter for power supply 7 INPUT Input socket 3 5 mm mini phone jack for connecti
9. utton 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 th mann MUSIC IS OUR PASSION Signal word DANGER CAUTION NOTICE Warning signs A General information Meaning 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 This combination of symbol and signal word indicates a pos sible dangerous situation that can result in minor injury if it is not avoided 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 Type of danger Warning danger zone th mann MUSIC IS OUR PASSION Safety instructions 2 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 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 ifthey are supervised or instructed by
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