D4-500 digital power amplifier user manual
Contents
1. consumption depending on the output power level RMS value Agnys Load 8Q x 4 4Q x 4 8 Q bridged x 2 1 8 power pink noise 130W 1 3A 180W 1 6A 190W 1 6A 1 3 power pink noise 190W 1 9A 420W 3 1A 430W 3 2A Full power sine wave 640W 4 2A 1200W 74A 1200W 7 2A themann MUSIC IS OUR PASSION 23 Technical specifications 7 Technical specifications Rated output power 8 Q 4x 250 W THD 1 1 kHz Rated output power 040 4x 500 W THD 1 1 kHz Max voltage swing RMS 35 V THD 1 1 kHz Slew rate 1 kHz 26 V us THD lt 0 1 typical DIM 30 lt 0 1 3 15 kHz 15 kHz Crosstalk gt 75 dB ref 1 kHz 10 rated power Frequency response 20 Hz 20 kHz 2 dB 1 dB ref 1 kHz Input impedance 20 kQ balanced 10 kQ unbalanced Input sensitivity 1 Vims for rated power 1 kHz Damping factor gt 500 100 Hz 1 kHz 4 Q themann digital power amplifier MUSIC IS OUR PASSION 24 Signal to noise ratio Protective circuits Operating voltage supply Power consumption Dimensions Weight Technical specifications 107 dB A weighted VHF direct voltage temperature short circuit Undervoltage overcurrent lim iter AC 230 V 50 60 Hz see Chapter 6 Power consumption on page 23 1 RU ina 19 rack installation depth 240 mm 4 6 kg themann MUSIC IS OUR PASSION 25 Protecting the environment 8 Protecting the environment Disposa2. 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 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 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 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 digital power amplifier MUSIC IS OUR PASS
3. ION 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 block areas of ventilation Do not install the device near any direct heat source Keep the device away from naked flames themann MUSIC IS OUR PASSION Safety instructions 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 digital power amplifier 10 Safety instructions NOTICE Magneticfields The device generates strong magneti
4. c 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 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 MUSIC IS OUR PASSION 11 Features 3 Features M Output power 4x500W 4Q 4x250W 8Q E 4 inputs 4 outputs Frequency response 20 Hz to 20 kHz 19 rackable 1 RU installation depth 240 mm themann digital power amplifier MUSIC IS OUR PASSION 12 Installation and starting up 4 Installation and starting up 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 Establish all connections as long as the unit is switched off Use the shortest possible high quality cables for all connections themann MUSIC IS OUR PASSION 13 Installation and starting up 4 1 Pin assignment XLR connections for signal You can use XLR and 1 4 plugs with balanced or unbalanced wiring In the follo
5. gnal present at the output yet Once the LEDs turn off the device is operational 7 CH A D Input gain control for the channels CH A to CH D themann digital power amplifier MUSIC IS OUR PASSION 20 Connections and operating elements Rear panel OOOOOO 00000000 00000000 00000000 G z K rE D4 500 z 9 u u 4 2 e a 9 v 2 21 Connections and operating elements 8 IEC chassis connector with fuse holder for operating voltage supply 9 INPUT CH A D Lockable XLR 1 4 mounting combo connectors for signal inputs 10 OUTPUT CH A D Lockable NL4 mounting connectors for signal outputs 11 Pushbutton Stereo Parallel Bridge Toggle switch for the operating modes Stereo all channels operate independently of each other Parallel the inputs of a channel pair are interconnected and Bridge two channels are interconnected to form one channel with double output 12 Pushbutton Lift Ground Use the Ground Lift switch to separate the connection between the earth pin of the device and the signal ground in the unit This prevents ground loops position Lift switch is not pressed no connection Position Ground switch is pressed earth pin and signal ground are electrically connected themann digital power amplifier MUSIC IS OUR PASSION 22 6 Power consumption Power consumption The following table shows the typical current
6. l of the packaging mate rial Disposal of your old device themann MUSIC IS OUR PASSION 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 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 digital power amplifier 26 Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany www thomann de
7. llow 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 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 digital 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 digital power amplifier MUSIC IS OUR PASSION Safety instructions 2 Safety instructions Intended use Safety This device amplifies electric audio frequency signals to operate passive speakers Use the device only as described in this user manual Any other
8. s that the unit is operational and lights up constantly as soon as the device is switched on 3 LEDs 10 dB and 20 dB These LEDs indicate the intensity of the input signal 10 dB or 20 dB If none of the LEDs lights up increase the signal level with the controls CH A to CH D and if required check the wiring If these LEDs are lit without an input signal is present there is an error In this case disconnect the speakers from the power amplifier and turn the controls for the input gain of channels CH A to CH D down to minimum Ifthe LEDs still light up the device must be inspected by an authorized service centre 4 LEDs Clip Overload indicator for channels CH A to CH D These LEDs light up when the distortion of the output signal increases 1 themann MUSIC IS OUR PASSION 19 Connections and operating elements 5 LEDs Fault Error indication for channels CH A to CH D These LEDs light up when one of the protective circuits triggers see amp Chapter 7 Technical specifications on page 24 When turning the device on the LEDs light up for three seconds During this time there is no signal present at the output yet Once the LEDs turn off the device is operational 6 LEDs Thermal Over temperature indicator for the channels CH A to CH D These LEDs light up when the respective heat sink exceeds a certain temperature When turning the device on the LEDs light up for three seconds During this time there is no si
9. the t amp D4 500 digital 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 13 08 2012 Table of contents A Ww N on QAU Table of contents GOP AN EE EE seai OE ER Saaasi iiS 4 Safety instructiOns isnernrsirniniseeeeeresseresserrsseersseerssersssessseessssressesesseeesseeeserersserssseesssrssee 7 Features ie Se ee NEE ee AR A ee Ee Ge ee Se ee ees ee EN eN N ie 12 Installation and starting Up ak ee ee ee ee RR ee RR Geek geag oak ee Gee ak ee Rea RR ee Roe Gee RR ek ee 13 4 1 de Edele AE EE noastoxevsacsst 14 Connections and operating elements eek eek eek eek gek ee RR ee RR ee RR ee RR ee RR eek 18 Power CONSUMPTION cccccsssssssssesssssssssssscssecsecsscssessssstsssssussuccascascsscssceucesccaceasessesucsussssssucsusensensensees 23 Technical specifications ccccssssssssssssssssssssecsesssscsssssscsssessssssssscsssecsscssscsnccsscsssccsessssceseesseesneenss 24 Protecting the EnvironMent ccccesscssssssssssecssecssscessecsssccsscesssecescceseecsssceseesseccsscesseecsneceseeesees 26 themann 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 fo
10. wing we will inputs give you an overview of the various options Drawings and tables indicate the XLR pin assign ment Balanced wiring 1 Ground shielding 2 Positive signal l 3 Negative signal themann digital power amplifier MUSIC IS OUR PASSION 14 Installation and starting up Unbalanced wiring 1 Ground shielding 2 Signal k 3 Bridged to pin 1 2 1 4 phone sockets for signal Drawings and tables indicate the pin assignment of 1 4 phone plugs to be used inputs Unbalanced wiring of a TS plug 1 Signal i 2 PI 2 Ground shielding 1 2 N 1 2 themann MUSIC IS OUR PASSION 15 Installation and starting up Unbalanced wiring of a TRS plug 1 Signal m 248 2 3 Ground shielding 3 5 2 1 3 Balanced wiring of a TRS plug 1 Positive signal m 28 ive si Z 36 2 Negative signal 3 Ground shielding 2 3 1 2 3 themann digital power amplifier MUSIC IS OUR PASSION 16 Installation and starting up NL4 mounting connectors The drawing alongside shows the pin assignment of the lockable NL4 mounting connectors D4 500 th mann MUSIC IS OUR PASSION 17 Connections and operating elements 5 Connections and operating elements Front panel themann digital power amplifier MUSIC IS OUR PASSION 18 Connections and operating elements 1 ON OFF Main switch to turn the device on or off 2 LED Power This LED indicate
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