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D6 Amplifier
Hardware manual

(1.2EN)

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Summary of Contents for D6

Page 1: ...D6 Amplifier Hardware manual 1 2EN ...

Page 2: ...so that it is available for future reference In the case of reselling this product handout this manual to the new customer If you supply d b products please draw the attention of your customers to this manual Enclose the relevant manuals with the systems If you require additional manuals for this purpose you can order them from d b d b audiotechnik AG Eugen Adolff Strasse 134 D 71522 Backnang Germ...

Page 3: ...P LED A B Input Signal Present green 9 3 2 3 GR LED A B Gain Reduction yellow 9 3 2 4 OVL LED A B Overload red 9 4 Connections 10 4 1 Mains Connector 10 4 2 Signal inputs and link outputs 10 4 2 1 INPUT A B and LINK A B 10 4 2 2 INPUT DIGITAL AES EBU and LINK 11 4 3 Loudspeaker output connectors OUT A B 11 4 4 REMOTE interface 12 4 5 SERVICE 12 5 Installation and operation 13 5 1 Rack mounting 13 ...

Page 4: ... unit is operated in the immediate vicinity of high frequency transmitters e g wireless microphones mobile phones etc Damage to the unit is unlikely but cannot be excluded 1 2 Scope of supply Before starting up please verify the shipment for completeness and condition of the unit Qty d b Code Description 1 Z2700 000 D6 Amplifier 1 Z2610 xxx Power cord D6 specific to country 1 D2017 EN D6 Amplifier...

Page 5: ...gs of up to 340 ms 100 m 328 ft to be applied independently to either channel A signal generator offering pink noise or sine wave program is also incorporated for test and alignment purposes Each unit can be given a unique Device Name to simplify identification and a password protected LOCK function is also incorporated to inhibit unauthorized set up changes The D6 is housed in a 19 x 351 mm 13 8 ...

Page 6: ...corporated for cooling the internal components which allows greater cooling during louder program material The fan speed is consequently reduced during quieter passages preventing background noise interference If the D6 heats up a Temp Warning is given out and the fan will give full cooling power permanently 2 5 D6 power amplifiers The two power amplifiers fitted to the D6 are utilizing Class D te...

Page 7: ...fier channel or place the D6 in Standby mode Note The setting of the MUTE A B switch is stored in the D6 when the mains power is turned off or disconnected After switching on or reconnecting the unit it will revert to its previous status MUTE STANDBY A brief press of the MUTE A or B switch will mute the corresponding channel A or B The channel is unmuted by briefly pressing the corresponding MUTE ...

Page 8: ...s them susceptible to excitation by other loudspeakers in the surroundings Audible resonances may occur and even absorption of low frequency sound energy as the undamped loudspeakers act like a bass trap To permanently mute single subwoofer cabinets when others are operated at the same time it is therefore preferable to use the MUTE function instead of STANDBY The Standby mode however can be of ad...

Page 9: ... and the MUTE function but will not operate in STANDBY mode 3 2 3 GR LED A B Gain Reduction yellow The GR LED 6 illuminates depending on the input signal The D6 limiter circuit reduces gain by more than 3 dB This state is not critical but shows that the system has reached its limits 3 2 4 OVL LED A B Overload red The OVL LED 7 illuminates depending on the input signal Overload Either the input sig...

Page 10: ...evice to mains voltage check that the mains voltage and frequency correspond to the specifications on the configuration sticker on the rear of the D6 CAUTION For any sign of obvious damage to the power cord and or mains connector the power cord must not be used and must be exchanged before further use of the unit 4 2 Signal inputs and link outputs NOTICE To meet the EMC requirements only shielded ...

Page 11: ... amplifier and is routed directly to the LINK output 4 3 Loudspeaker output connectors OUT A B WARNING The amplifier s output pins can carry dangerous voltages Only use isolated loudspeaker cables with correctly mounted connectors Otherwise there is a potential risk of electric shock Never connect an amplifier output pin to any other in or output connector pin or earth ground This might lead to el...

Page 12: ... bus signal active high 5 CAN_L CAN low bus signal active low 6 7 8 Enclosure GND CAN Ground The CAN Ground is routed via the cable shielding Within the CAN Bus network shielded cables and shielded RJ 45 connectors must be used while the cable shielding must be connected to both sides of the RJ 45 connector A detailed description of remote control via the d b Remote network CAN Bus is given in the...

Page 13: ...ar of the amplifier When mounting amplifiers into a 19 rack cabinet do not just rely on fixing and supporting amplifiers by their front panels Provide additional support using shelves fixed to the inner sides of the cabinet or the mounting holes provided on the amplifier rear mounted rack ears This advice is particularly important if amplifiers are being racked up for touring use Cool air intake 3...

Page 14: ...n signals of higher crest factor the power distribution can be downsized within the range given in the table The table gives power figures for various types of signal waveforms They were measured on a D6 driving a 4 ohm load both channels to the clipping point of both channels using a sine wave burst signal of 24 dBu with a variable duty cycle The mains power supply used for the measurements suppl...

Page 15: ...hms per channel 400 watts total The thermal management of the D6 is designed to deliver this power for an unlimited amount of time within an ambient temperature of up to 40 C 104 F With higher ambient temperatures the maximum average output power that can be delivered without entering thermal protection is reducing linearly as shown in the diagram above When using the D6 at its upper temperature l...

Page 16: ...noise or Sine wave 10 Hz to 20 kHz with 1 Hz detents Level 57 5 dB to 6 dB with 0 5 dB detents Buzzer Audible signal for error messages Monitoring according to IEC 60849 Sound Systems for Emergency Purposes Input monitoring Detecting external Pilot signal Load monitoring Continuous impedance monitoring using Pilot signal at 10 Hz and 20 kHz System check Manual impedance measurement to calibrate be...

Page 17: ...TE 0 1 S N ratio unweighted RMS analog input 105 dBr S N ratio unweighted RMS digital input 110 dBr Damping factor 20 Hz 1 kHz 4 ohms 90 Crosstalk 20 Hz 20 kHz 65 dBr Digital Signal Processing Sampling rate 96 kHz 27 Bit ADC 24 Bit DAC Basic delay analog input incl conversion AD DA 0 3 ms ADC Dynamic 110 dB Input Dynamic 127 dB DAC Dynamic 110 dB Power consumption typical values Standby 4 W ON wit...

Page 18: ...for continuous operation Temperature range 0 C to 45 C 32 F to 113 F reduced output power or short term operation Humidity rel average 80 Dimensions weight Height x width x depth 2 RU x 19 x 351 mm 2 RU x 19 x 13 8 Weight 8 kg 17 6 lb 6 1 Dimensions Fig 7 Dimensions in mm inch D6 Amplifier Hardware manual 1 2EN Page 18 of 20 ...

Page 19: ...ucts are in conformity with the provisions of the following EC directives including all applicable amendments A detailed declaration is available on request and can be ordered from d b or downloaded from the d b website at www dbaudio com 7 2 WEEE declaration Disposal Electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime Please ...

Page 20: ...D2017 EN 01 11 2007 d b audiotechnik AG d b audiotechnik AG Eugen Adolff Str 134 D 71522 Backnang Germany Phone 49 7191 9669 0 Fax 49 7191 95 00 00_______ ...

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