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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 pos‐

sible dangerous situation that can result in minor injury if it

is not avoided.

NOTICE!

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.

Warning signs

Type of danger

Warning – high-voltage.

Warning – danger zone.

General information

D4-500

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Содержание the t.amp D4-500

Страница 1: ...D4 500 digital power amplifier user manual ...

Страница 2: ...Musikhaus Thomann Thomann GmbH Hans Thomann Straße 1 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 17 07 2015 ID 218916 V2 ...

Страница 3: ...6 1 3 Symbols and signal words 6 2 Safety instructions 8 3 Features 13 4 Installation and operation 14 5 Connections and controls 15 6 Current consumption 20 7 Technical specifications 21 8 Plug and connection assignment 23 9 Cleaning 27 10 Protecting the environment 28 Table of contents D4 500 3 ...

Страница 4: ...nd 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 General information digital power amplifier 4 ...

Страница 5: ...yword search Use the search function in the electronic version to find the topics of interest for you quickly Online guides Our online guides provide detailed information on technical basics and terms Personal consultation For personal consultation please contact our technical hotline Service If you have any problems with the device the customer service will gladly assist you General information D...

Страница 6: ... this manual are identified by an arrow and the specified page number In the electronic version of the manual you can click the cross reference to jump to the specified location Example See Ä Cross references on page 6 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 Letterings Cross references General in...

Страница 7: ...mbination of symbol and signal word indicates a pos sible dangerous situation that can result in minor injury if it is not avoided NOTICE 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 Warning signs Type of danger Warning high voltage Warning danger zone General information D4 500 7 ...

Страница 8: ...ysical 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 d...

Страница 9: ...e device if covers protectors or optical components are missing or damaged 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 Safety instructions D4 5...

Страница 10: ...se 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 Safety instructions digital power amplif...

Страница 11: ...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...

Страница 12: ...r 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 NOTICE Possible staining The plasticiser contained in the rubber feet of this product may possibly react with the coating of your parquet linoleum laminate or PVC floor and after some time cause permanent dark stains In case of ...

Страница 13: ...3 Features n Output power 4 500 W 4 W 4 250 W 8 W n 4 inputs 4 outputs n Frequency response 20 Hz to 20 kHz n 19 rackable 1 RU installation depth 240 mm Features D4 500 13 ...

Страница 14: ...arpet 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 Create all connections while the device is off Use the shortest possible hi...

Страница 15: ...5 Connections and controls Front panel Connections and controls D4 500 15 ...

Страница 16: ...ls 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 If the LEDs still light up the device must be inspected by an authorized service centre 4 LED Clip Overload indicator for channels C...

Страница 17: ... the output yet Once the LEDs turn off the device is operational 6 LED 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 signal present at the output yet Once the LEDs turn off the device is operational 7 CH A D C...

Страница 18: ...Rear panel Connections and controls digital power amplifier 18 ...

Страница 19: ...ependently of each other and Bridge two channels are interconnected to form one channel with double output 12 Lift Ground selector switch The Ground Lift switch allows you to interrupt the connection between the device s protective earth terminal and signal ground in order to prevent hum loops Lift unpressed state disconnected Ground position switch pressed Earth pin and signal ground are electric...

Страница 20: ...e output power level root mean square value ARMS All values based on a 230 V mains voltage and a 1 kHz input signal at 0 dB sine Load 1 8 nominal power 1 3 nominal power 8 W 4 130 W 1 3 A 190 W 1 9 A 4 W 4 180 W 1 6 A 420 W 3 1 A 8 W bridged 2 190 W 1 6 A 430 W 3 2 A Current consumption digital power amplifier 20 ...

Страница 21: ...V THD 1 1 kHz Slew rate 1 kHz 26 V ms THD 0 1 typical DIM 30 0 1 3 15 kHz 15 kHz Crosstalk 75 dB ref 1 kHz 10 rated power Frequency response 20 Hz 20 kHz 2 dB 1 dB ref 1 kHz Input impedance 20 kW balanced 10 kW unbalanced Input sensitivity 1 Vrms for rated power 1 kHz Damping factor 500 100 Hz 1 kHz 4 W Technical specifications D4 500 21 ...

Страница 22: ...erature short circuit Undervoltage overcurrent lim iter Operating voltage supply AC 230 V 50 60 Hz Power consumption see Ä Chapter 6 Current consumption on page 20 Dimensions 1 RU in a 19 rack installation depth 240 mm Weight 4 6 kg Technical specifications digital power amplifier 22 ...

Страница 23: ...nductors 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 p...

Страница 24: ...fering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal 2 Ground shielding 1 Signal in phase 2 Signal out of phase 3 Ground 1 4 TS phone plug mono unbalanced 1 4 TRS phone plug mono bal anced Plug and connection assignment digital power amplifier 24 ...

Страница 25: ...1 Signal left 2 Signal right 3 Ground 1 Ground shielding 2 Signal in phase 3 Signal out of phase 1 4 TRS phone plug stereo unbalanced XLR plug balanced Plug and connection assignment D4 500 25 ...

Страница 26: ...1 Signal 1 in phase 1 Signal 1 180 degree phase shift 2 Signal 2 in phase 2 Signal 2 180 degree phase shift NL4 mounting connectors Plug and connection assignment digital power amplifier 26 ...

Страница 27: ...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 Fan grids Cleaning D4 500 27 ...

Страница 28: ...se follow the notes and markings on the packaging 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 c...

Страница 29: ...Notes D4 500 29 ...

Страница 30: ...Notes digital power amplifier 30 ...

Страница 31: ......

Страница 32: ...Musikhaus Thomann Hans Thomann Straße 1 96138 Burgebrach Germany www thomann de ...

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