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D12 Amplifier
Hardware manual 

(4.7 EN)

          

Summary of Contents for D12

Page 1: ...D12 Amplifier Hardware manual 4 7 EN...

Page 2: ...e so that it is available for future reference When reselling this product hand over this manual to the new customer If you supply d b products please draw the attention of your customers to this manu...

Page 3: ...Gain Reduction yellow 6 14 4 2 4 OVL LED A B Overload red 7 14 5 Connections 15 5 1 Mains panel 15 5 1 1 Mains power connection 8 15 5 1 2 Fuse protection 9 a b 15 5 1 3 REMOTE 10 16 5 1 4 SERVICE 11...

Page 4: ...8 Manufacturer s declarations 26 8 1 EU declaration of conformity CE symbol 26 8 2 WEEE Declaration Disposal 26 D12 Amplifier Hardware manual 4 7 EN Contents 2...

Page 5: ...cations Only carry out work specified in this manual and always disconnect the mains power supply Even if the mains power supply is disconnected electrical charge remains to several electronic compone...

Page 6: ...ould be carried out Please verify the shipment for completeness refer to the table below Tab 1 Please carry out a visual inspection of the packaging the D12 unit and the power cord for obvious damage...

Page 7: ...he D12 includes complete signal processing all necessary protection circuits REMOTE and SERVICE interfaces all connectors and status indicators The D12 is housed in a 19 x 353 mm 13 9 3 rack unit encl...

Page 8: ...ure optimum performance and prevent damage to system components each type of loudspeaker has to be used in conjunction with a suitably configured D12 The D12 digital signal processing circuits introdu...

Page 9: ...rated to be adequately dissipated Note Please also refer to section 6 2 1 Power consumption and power loss on page 20and section 6 2 2 Operating conditions on page 21 3 5 SenseDrive The accuracy of a...

Page 10: ...voltage ranges and or the guaranteed nominal operating ranges are listed in the following table Voltage range Status 0 98 V Undervoltage 98 134 V 110 115 120 V operation 134 195 V Undervoltage 195 265...

Page 11: ...ing during louder program material The fan speed is consequently reduced during quieter passages preventing background noise interference If the D12 heats up a Temp Warning is given out and the fan wi...

Page 12: ...Fig 6 D12 Controls When the mains power switch is set to the on position the MUTE switch can be used to mute the respective amplifier channel or place the D12 in standby mode using the MUTE A or B swi...

Page 13: ...ound 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 functio...

Page 14: ...nput of the D12 Other standard sampling rates e g 32 44 1 or 88 2 kHz will be detected but not supported Non standard sampling rates will be ignored 4 2 3 GR LED A B Gain Reduction yellow 6 Illuminate...

Page 15: ...software and loudspeaker configuration updates to be loaded into the unit 5 1 1 Mains power connection 8 WARNING Only connect the D12 to mains power supplies with a ground conductor protective earth M...

Page 16: ...emark 1 2 3 4 CAN_H CAN high bus line active high 5 CAN_L CAN low bus line active low 6 7 RIB Data 8 RIB Data Shield GND CAN Ground Tab 4 RJ45 pin assignment on d b devices IMPORTANT Regarding the CAN...

Page 17: ...isolated The digital LINK output may be used to feed a refreshed input signal to the next device in the system signal chain The signal shape the rising and trailing edges of the signal and level are r...

Page 18: ...D12 Settings menu Options TSM Detection Top Sub Mismatch 5 2 4 2 Mix TOP SUB mode OUT A TOP SUB OUT B TOP SUB SenseDrive AMP B AMP A INPUT A INPUT B TOP SUB Fig 18 D12 Input Output routing Mix TOP SUB...

Page 19: ...e SUB 2 Way Active TOP Mix TOP SUB EP5 NL4 NL8 LF Front LF TOP 1 1 1 LF Front LF TOP 2 1 1 LF Rear MF HF SUB 3 2 4 LF Rear MF HF SUB 4 2 4 SenseDrive LF Front SenseDrive LF SenseDrive SUB 5 n a 3 Tab...

Page 20: ...ally combined with damp conditions could cause the amplifier to malfunction If amplifiers are installed in cabinets so that direct access to the rear panel filters is not possible we recommend using a...

Page 21: ...ctive power Ploss Power loss thermal power Iin xxxV A Resulting current Maximum practical operation 6 2 2 Operating conditions The following diagram shows the thermal operating range within which the...

Page 22: ...mum possible output power of 2 x 1200 W at 4 ohms which for thermal reason could only supplied in a short term within minutes is unaffected by the ambient temperature 6 2 3 Mains supply Number of devi...

Page 23: ...alphanumeric digits Display illumination Off On Timeout 10 sec Frequency generator Pink Noise or Sine wave 1 Hz 20 kHz with 1 Hz detents Level 57 5 dB 6 dB with 0 5 dB detents Buzzer Audible signal fo...

Page 24: ...96 kHz 27 Bit ADC 24 Bit DAC Basic delay 0 3 msec ADC dynamic 110 dB Input dynamic 127 dB DAC dynamic 110 dB Power supply Autosensing switched mode power supply for mains voltages 115 230 V optional 1...

Page 25: ...5 0 20 D12 LEVEL PUSH MENU MUTE POWER A B ON OFF OVL GR ISP OVL GR ISP Fig 25 D12 enclosure dimensions in mm inch SERVICE REMOTE VOLTAGE SEE LABEL 50 60 Hz 1400 W CAUTION RISK O F ELECTRIC SHOCK DO NO...

Page 26: ...ity with the provisions of the respective 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 websit...

Page 27: ......

Page 28: ...D2012 E 04 10 2011 d b audiotechnik GmbH d b audiotechnik GmbH Eugen Adolff Str 134 D 71522 Backnang Germany Phone 49 7191 9669 0 Fax 49 7191 95 00 00_______...

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