E-800 power amplifier user manual
Contents
1. not operate the device permanently at a high volume level Decrease the volume level immediately if you experience ringing in your ears or hearing impairment 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 themann MUSIC IS OUR PASSION Safety notes themann MUSIC IS OUR PASSION 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 Failure to do so could result in damage to the device and possibly injure the user Unplug the device before electrical storms occur and when it is unused for long periods of time to reduce the risk of electric shock or fire power amplifier 10 Safety notes NOTICE Magnetic fields The device generates strong magnetic fields that can interfere with the function of poorly shielded devices 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 power2. with the function of poorly shielded devices 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 themann power amplifier MUSIC IS OUR PASSION 14 Installation and operation Possible operation modes Depending on the individual application the amplifier can be used in different operation modes Stereo mode The two amplifier channels operate independently of one another either channel A and B is amplified and connected to loudspeakers the volume can Oo gt q be controlled separately for the two outputs The two amplifier channels receive the same input signal from channel A and loudspeakers are connected to each amplifier the volume is controlled via the a control knob for channel A Bridged mode The two amplifier channels are internally connected in such a way that twice o p q the output power is available Only the input signal from channel A is amplified and loudspeakers are connected only to the correspondingly marked output The volume is controlled via the control knob for channel A th mann MUSIC IS OUR PAS
3. SION 15 Installation and operation Rack mounting themann MUSIC IS OUR PASSION For each output of the amplifier the total impedance resulting from the loudspeakers con nected to it must not be below the allowed minimal impedance of the amplifier output If you connect more than one loudspeaker to an amplifier output please note the following If the loudspeakers are connected in a series the individual impedances will be added up If the loudspeakers are connected in parallel the reciprocal of the total impedance equals the sum of the reciprocals of the individual impedances Example If you have two loudspeakers with the same impedance their impedance doubles if they are connected in a series their impedance halves if they are connected in parallel For detailed information related to this topic please refer to our Online Guide PA Speakers www thomann de The device has been designed for rack mounting in a standard 19 inch rack it occupies two rack units power amplifier 16 Connectors and controls Connectors and controls 1 POWER Power on off switch Switches the device on and off 2 LED panel SIG Indicates the presence of an input signal CLIP Lights under the following conditions Channel overdrive In this case reduce the volume until the LED turns off Short circuit at the output Immediately turn off the device fix the short circuit and turn on the device again PRO Light
4. 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 themann MUSIC IS OUR PASSION 11 Features 3 Features Small mounting depth of only 342 mm 2 x 500 Wat 40 2 x 350 Wat 80 Inputs XLR balanced phone jack Outputs NL4 Speakon and binding post connectors for speakers Protection circuits DC short circuit overtemperature limiter themann power amplifier MUSIC IS OUR PASSION 12 Installation and operation 4 Installation and operation 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 Establish all connections as long as the unit is switched off Use the shortest possible high quality cables for all connections DANGER Electric shock caused by high voltages at the power amplifier output The output voltages of modern high performance amplifiers may result in death or serious injury Never touch the bare ends of loudspeaker cables when the amplifier is on themann MUSIC IS OUR PASSION 13 Installation and operation NOTICE Magnetic fields The device generates strong magnetic fields that can interfere
5. g 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 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 Balanced and unbalanced trans Unbalanced transmission is mainly used in semi professional environment and in hifi use mission Instrument cables with two conductors one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground 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 themann MUSIC IS OUR PASSION 25 Plug and connection assignment Since the interference affects both cores equally by subtracting the phase shifted signals the interfering s
6. he device to other users be sure that they also receive this manual Our products are subject to a process of continuous development We therefore reserve the right to make changes without notice This section provides an overview of the symbols and signal words used in this user manual power amplifier Signal word DANGER CAUTION NOTICE Warning signs A General notes 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 possible dangerous situation that can result in minor injury if it is not avoided 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 Type of danger Warning high voltage themann MUSIC IS OUR PASSION General notes Warning signs Type of danger N Warning danger zone themann power amplifier MUSIC IS OUR PASSION 2 Safety notes Intended use Safety Safety notes 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 impr
7. ignal is completely neutralized The result is a pure signal without any noise inter ference 1 4 TS phone plug mono unbalanced 1 Signal R 2 Ground shielding 1 4 TRS phone plug mono bal anced 1 Signal in phase a 2 Signal out of phase N 3 Ground themann power amplifier MUSIC IS OUR PASSION 26 Plug and connection assignment 1 4 TRS phone plug stereo unbalanced Ys XLR plug balanced 1 Ground shielding Signal in phase i Signal out of phase 2 1 Signal left N Signal right w Ground w N E 800 th mann MUSIC IS OUR PASSION 27 Plug and connection assignment XLR plug unbalanced NL4 mounting connectors themann MUSIC IS OUR PASSION 28 w N Ground shielding Signal Bridged to pin 1 Signal 1 in phase Signal 1 180 degree phase shift Signal 2 in phase Signal 2 180 degree phase shift power amplifier 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 themann MUSIC IS OUR PASSION 29 Protecting the environment 9 Protecting the environment Disposal of the packaging mate rial Disposal of your old device themann MUSIC IS OUR PASSION For the tran
8. on is 5 10 Selector switch for input sensitivity 11 Fan 12 Selector switch for operating mode m Parallel mode E Stereo mode E Bridged mode themann MUSIC IS OUR PASSION 21 Connectors and controls 13 14 INPUT Input channel B A BE Female XLR panel connector E inch 6 35 mm jack balanced or unbalanced 15 BREAKER Resettable fuse The fuse disconnects the amplifier when the power consumption is too high for example due to a short circuit As soon as the problem is solved the fuse will automatically be reset the device will work again Using the switch the reset can be enforced themann power amplifier MUSIC IS OUR PASSION 22 Technical data 6 Technical data Power output RMS Stereo 8 Q 2 x 350 W Stereo 4 Q 2 x 500 W Frequency response 1 dB 20 Hz 20 kHz Input sensitivity 0 77 V 26 dB 1 4 dB Class H 2 steps Signal to noise ratio gt 100 dB A weighted Total harmonic distortion 50 of maximum lt 0 03 power output Inputs Female XLR panel connectors 14 inch 6 35 mm jacks Input impedance 20 kQ balanced 10 kQ unbalanced Outputs speakON panel connector screw terminals Mains power supply 220 240 V AC 50 Hz th mann MUSIC IS OUR PASSION 23 Technical data 1500 W 482 mm x 342 mm x 88 mm Power consumption Dimensions W x D x H Weight 11 3 kg themann power amplifier MUSIC IS OUR PASSION 24 Plug and connection assignment 7 Plu
9. oper 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 if they are supervised or instructed by 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 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 themann MUSIC IS OUR PASSION Safety notes 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 Do not modify the mains cable or the plug Failure to do so could result in electric shock death or fire If in doubt seek advice from a regis tered electrician themann power amplifier MUSIC IS OUR PASSION Safety notes CAUTION Possible hearing damage With loudspeakers or headphones connected the device can produce volume levels that may cause temporary or permanent hearing impairment Do
10. s under the following conditions BE Three to five seconds after turning on or off when the device is in an unstable state BE There is no loudspeaker connected BE The temperature of the amplifier blocks has reached 85 C BE One or more protection circuits have been triggered or the device is defective themann power amplifier MUSIC IS OUR PASSION 18 POWER PAR BRI 3 4 CHANNELA CHANNEL B Connectors and controls Lights up green when the unit is turned on The unit automatically enters the standby mode when no input signal is present for at least five minutes In standby mode the LED lights red When the unit receives a signal again it switches back to normal mode and the LED lights green again Lights when the device is operated in parallel mode Lights when the device is operated in bridged mode Volume control for the respective channels themann MUSIC IS OUR PASSION 19 Connectors and controls Rear panel 5 Powercord 6 7 OUTPUT Output channel B A E speakON panel connector as loudspeaker output 1 2 positive 1 2 negative E Screw terminals themann power amplifier MUSIC IS OUR PASSION 20 Connectors and controls 8 Ground Lift switch If there are hums due to a ground loop you can use this switch to disconnect the protective earth connector from the signal ground of the device 9 LIMITER Limits the output level such that maximum distorti
11. sport 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 This device is subject to the European directive 2002 96 EC Do not dispose of the device 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 power amplifier 30 Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany www thomann de
12. the t amp E 800 power amplifier th mann user manual MUSIC IS OUR PASSION Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 03 06 2013 Table of contents O On Au A WN Table of contents Generalinotas 1er scat vncaintaasastitcesbsctasstteateractstsasciatettsatiastgucstensteceserensaze 4 Safety notes Features nneeeen Installation and OperatiOn cccccccesssssssssssessesssssssesssesssesssesssesscssssssesssessnecsscessecsessnsessesssceseesses Connectors and controls ununeneenseennnseennnnennnnnennnnnennnnnssnnnnssnnnnnennnnnennnnnsnnnnnssnnnnrnnnn 17 Technical d ta uu un eek En aan 23 Plug and connection assignment nneneesessennssennssensssenssennssensssnunsennssnnssennsnsnnssnnnn 25 Cleaning eonenna iea n aasia a TS ira ino a Nr aea aa iN 29 Protecting the EnvironMent cccssescssscssssccssecssecssecessecsssccescesseccescceseecsscceseesseecsseesseecsneesseeesies 30 th mann MUSIC IS OUR PASSION General notes 1 General notes Symbols and signal words themann MUSIC IS OUR PASSION 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 t
Download Pdf Manuals
Related Search