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D40
Reference manual
1.5 en

Summary of Contents for D40

Page 1: ...D D40 Reference manual 1 5 en...

Page 2: ...n a safe place so that it is available for future reference We recommend you to regularly check the d b website for the latest version of this document When reselling this product hand over this docum...

Page 3: ...alked upon or pinched particularly at the plugs and the point where it exits from the apparatus 8 The unit is intended for use in a 19 rack Follow the mounting instructions When a rack on wheels is us...

Page 4: ...Levels 36 6 5 4 Mains current limiter MCL 37 6 5 5 Energy saving 38 6 5 6 AmpPresets 39 6 5 7 Event log 40 7 Channel setup 41 7 1 Channel name 42 7 2 Configuration switches Filter_1 _2 _3 43 7 3 Leve...

Page 5: ...rence and malfunctions may occur if the unit is operated in the immediate vicinity of high frequency transmitters e g wireless microphones mobile phones etc Damage to the device is unlikely but cannot...

Page 6: ...EN 01 d b D40 Start up manual Z2612 000 3 pin Schuko CEE 7 7 Z2612 010 3 pin UK BS 1363A Z2612 025 3 pin U S NEMA L6 20P Z2612 035 3 pin Japan NEMA L6 20P Z2612 040 3 pin South Korea KS C8305 Z2612 05...

Page 7: ...0 W 8 ohms 86 dB 0 005 4 x 250 W 4 ohms 83 dB 0 007 Crosstalk 20 20 kHz 70 dBr 4 x 250 W into 8 4 Analog inputs and outputs INPUT A1 A4 3 pin XLR female Pin assignment 1 GND 2 pos 3 neg Input impedanc...

Page 8: ...d on axis 1 m 3 3 ft to front panel A weighting Min Max RPM 30 50 dB A Ambient temperature 23 C 73 4 F Dimensions and weight Height x width x depth 2 RU x 19 x 465 mm 18 3 Weight 13 8 kg 30 4 lb D40 e...

Page 9: ...e to the maximum output power EIA 426B noise Crest factor Load Power rating Power average 12 dB 4 ohms 8 ohms 4 x 2400 W 4 x 2000 W 4 x 300 W 4 x 250 W 9 dB 4 ohms 8 ohms 4 x 1300 W 4 x 2000 W 4 x 325...

Page 10: ...level and a duration of 1 s The RMS current value is calculated over a 100 ms time window This window is stepped in increments of 10 ms over the recording The resulting value is the highest current wi...

Page 11: ...9 0 99 0 98 2750 2000 2100 1400 650 600 2218 2047 559 516 Sine wave max 1 s 8 4 18 4 18 4 120 VAC 60 Hz 0 2 Source impedance all channels driven State Load ohms Mains current A RMS Power factor Input...

Page 12: ...on Audio 0 34 0 55 18 7 18 7 64 16 ReadyStandby 0 65 0 75 48 2 48 2 164 41 Eco 1 54 0 61 94 8 94 8 323 82 Idling 1 45 0 88 128 128 437 110 Noise CF 12 dB 8 4 14 9 19 9 0 97 0 96 1400 1850 1000 1200 4...

Page 13: ...output connectors on page 16 4 Network PRI SEC Refer to Chapter 5 2 4 Network connections PRI SEC on page 18 4 2 Controls and indicators User interface 6 TFT color touchscreen 4 3 480 x 272 pixels 7...

Page 14: ...al safety of the power amplifiers The amplifiers are equipped with two internal fans that draw cool air from the front into the housing and channel the warm air towards the back of the device Please e...

Page 15: ...is accessible at any time to disconnect the device in case of malfunction or danger If the mains plug is not readily accessible due to mounting in a 19 rack then the mains plug for the entire rack mu...

Page 16: ...arallel to input Digital input and output IN OUT D1 2 D3 4 Two 3 pin female XLR digital input IN connectors D1 2 and D3 4 are provided each accepting a 2 channel AES AES3 digital audio signal The corr...

Page 17: ...connectors are provided one for each pair of amplifier output channels to allow either Mix TOP SUB A B MIX C D MIX or 2 Way Active 2 WAY 2 Way configurations All NL4 connector pins are hardwired and...

Page 18: ...s STP must be used The device allows standard remote control via the d b Remote network using the d b R1 Remote control software or the integrated Web remote interface For this purpose use the upper R...

Page 19: ...ation 5 3 2 TFT color touchscreen User interface NOTICE The touch panel utilizes a thin flexible sheet that may be damaged by sharp objects or heavy treatment The user interface consists of a 4 3 TFT...

Page 20: ...uttons allow for direct vertical access to the specific submenus while the tab structure on the right side of each submenu provides a clear horizontal order In addition the Home screen gives direct ac...

Page 21: ...erating concept allows different methods of interaction and configuration Touchscreen in combination with the rotary encoder This method may preferably be used to set values of input fields such as Ga...

Page 22: ...off to save energy The display and controls remain active to allow repowering of the device by remote control or by selecting the Power button on the Home screen 3 To repower the device select the Pow...

Page 23: ...led Channel mute To mute or unmute a channel or a pair of channels simply select the respective Channel mute button The Channel mute button displays the mute status of the relevant channel or pair of...

Page 24: ...Device setup Device setup access chart 6 Device setup d b D40 Reference manual 1 5 en 24...

Page 25: ...characters The input mask which appears allows either lower case or upper case characters by toggling the corresponding button ABC on the bottom left To correct wrong entries tap the erase button on t...

Page 26: ...dication that the incoming signal path is faultless For this purpose the amplifier determines the level of the pilot signal within the pilot band The result is then compared with an adjustable referen...

Page 27: ...me The maximum time interval that is allowed for an interruption of the monitored pilot signal or digital clock Lock without an error message being generated 0 1 99 9 sec in 0 1 sec increments Notch f...

Page 28: ...for more information about parameterizing After the Fallback function has been triggered you can reset it manually by selecting the Regular input source This can be done either locally or via the Web...

Page 29: ...pened depending on the set attack time All other inputs will be muted gate ducking As soon as the signal level drops below the threshold the selected input channel will be muted while all other channe...

Page 30: ...tput mode must be confirmed This is done by selecting either the Back or the Home button The set output mode is activated and the corresponding channels are muted Note Changing the output mode affects...

Page 31: ...ill be available If a DHCP server is available later an automatic IP will be automatically assigned later Link Local addressing is the default behavior of every PC and MAC computer when no DHCP server...

Page 32: ...t Within an Ethernet network up to 100 subnets can be defined values 0 to 99 Note In case of a subnet mismatch the following message is issued at the bottom of the screen Remote ID exceeds 99 63 Devic...

Page 33: ...is that when you tap a specific button and the adjacent button is activated instead or when a specific button does no longer work In such cases the touch screen should be recalibrated To calibrate the...

Page 34: ...To unlock the device proceed as follows Press Press and hold the encoder for a minimum of 2 seconds until the message disappears Password 1 Press and hold the encoder for a minimum of 2 seconds until...

Page 35: ...he connected R1 instance 6 5 1 3 1 System reset Selecting Clear all device settings to default resets all device settings to factory defaults except for the network Ethernet and fixed device settings...

Page 36: ...ation starting from the top left 1st line Mute status of each channel Speaker Loudspeaker setups selected for the individual channels Input Actual input signal levels of the individual channels Output...

Page 37: ...ns current draw of the device within the range of 95 to 50 of the nominal limit The Nominal current limit depends on the mains voltage range 13 A in high range 20 A in low range This may be useful whe...

Page 38: ...rom low to normal mode may be accompanied by audible compression during the first 300 ms AutoStandby AutoWakeup Mode Off Disables the functions AutoStandby Enables the function When the function is ac...

Page 39: ...Three AmpPresets which can only be accessed via the d b Remote network Intended for temporary use to back up the current system settings when another AmpPreset is loaded Selecting AmpPresets opens th...

Page 40: ...yed on the Name button Note Choosing one of these functions a corresponding confirmation dialog will be issued to allow either confirmation of the selection or to cancel the action by selecting the Ba...

Page 41: ...Channel setup Channel setup access chart 7 Channel setup d b D40 Reference manual 1 5 en 41...

Page 42: ...ture within the unit while setting up the user definable EQ as well as keeping an eye on the Input routing 7 1 Channel name Selecting the centered Information field button Edit channel name in the hea...

Page 43: ...On Off status or the set values of the Configuration switches are indicated by the entry on the Channel view button of the corresponding channel strip as shown in the graphic opposite Note A detailed...

Page 44: ...view button of the corresponding channel strip as shown in the graphic opposite Edit Opens the corresponding subscreen EQ layer curve for editing Clear Resets all filter settings of the corresponding...

Page 45: ...number of remaining filter bands is indicated next to the bar on the right Band On Off Switches the selected filter band on or off Type Depending on the filter type used 1 to 4 bands may be required...

Page 46: ...editable Information field below the Q Input field Slope Slope can be set to 6 12 18 or 24 dB octave Gain Gain adjustable from 18 dB to 12 dB in 0 2 dB steps Clear band Resets all settings of the sele...

Page 47: ...of the digital inputs D1 D4 D n PRI SEC Out n n 1 Tx label Tx Device DS device name DS rx label D n The corresponding input PRI SEC Indicates wether the Primary and or Secondary Dante Audio Network i...

Page 48: ...ion of the current status of the calibration or check process In case of an error the status is indicated in red LF The calibration and check results for the LF section LF The calibration and check re...

Page 49: ...and reports an error if the limits are exceeded For this purpose Load monitoring uses inaudible pilot signals which are faded in for approximately 5 seconds in user defined intervals NOTICE The resolu...

Page 50: ...bscreen and the previous configuration remains active 2 The selection has been confirmed by tapping OK Exits the subscreen Series The bottom left of the Series Input field displays the number of setup...

Page 51: ...Array Processing For applicable loudspeakers the ArrayProcessing button becomes functional It indicates the On Off status of the function and provides direct access to the ArrayProcessing subscreen wh...

Page 52: ...s part of the ArrayProcessing feature the HF Trim High Frequency Trim option allows you to trim the HF of a processed array due to changing air absorption conditions in the far field areas during a sh...

Page 53: ...t and should not influence the limiter thresholds To provide optimum compensation LoadMatch requires the entry of the following three parameters Cable length Length of the cable in meters in steps of...

Page 54: ...be linked There are four direction modes A B A BC A BCD C D The linked functions can then be controlled from the Channel menu of channel A and or C while these functions are disabled in the Channel me...

Page 55: ...r Pink noise depending on the desired signal Frequency The frequency is adjustable from 10 Hz to 20 kHz On the top right of the Frequency input field the increment is displayed as an octave value When...

Page 56: ...le Chrome V21 or higher Opera V15 or higher iOS iOS 6 or higher Android Mobile Firefox V27 0 or higher Android Browser V4 4 or higher Remote control To enable remote control via the Web Remote interfa...

Page 57: ...value using the Value Value buttons Every mouse click will increment the Value Value by 0 5 For example to increase the level by 3 dB simply click the Value button six times or simply hold the mouse...

Page 58: ...n addition the editable Record field allows you to enter a dedicated record number The corresponding record will be displayed at the very bottom of the record list Storage option In addition a storage...

Page 59: ...the download settings of your browser Restore 1 Select the Upload backup file to device button to upload the backup file onto the device Your web browser will display the corresponding dialog Once th...

Page 60: ...Web Remote interface Licenses and Copyright Selecting the d b logo at the top left opens the Licenses and Copyright information page d b D40 Reference manual 1 5 en 60...

Page 61: ...Supply leaving only a supervisory circuit running to monitor the mains voltage The device accepts mains voltages of up to 400 VACRMS without damage to the device in case of a missing neutral line or r...

Page 62: ...ly is started softly to limit inrush current Up to two D40 may be powered up at the same time without triggering a line circuit breaker of 13 16 A 230 V or 20 A 100 120 V respectively 9 1 5 Mains supp...

Page 63: ...ed Not permitted 21 m 69 ft 25 m 82 ft 1 5 mm2 Not permitted Not permitted 24 m 79 ft 29 m 95 ft 2 1 mm2 AWG 14 Not permitted Not permitted 33 m 108 ft 40 m 131 ft 2 5 mm2 Not permitted Not permitted...

Page 64: ...and active cardioid subwoofers are cases of typical use A sophisticated circuit design decreases the impact of the load on the amplifier performance and enables a well defined sound reproduction A com...

Page 65: ...ousing is damaged 10 2 Maintenance and care During normal operation the amplifier provides maintenance free service Due to the cooling concept no dust filters are required As a result filter exchange...

Page 66: ...ctivated instead or when a specific button does no longer work In such cases the touchscreen should be recalibrated Calibration To calibrate the touchscreen proceed as follows 1 From the Home screen g...

Page 67: ...in bootloader Software missing on SMPS controller SMPS Firmware update failed or flash corruption retry update 28 SMPS comm error SMPS communication error error 04X SMPS comm error Missing keepalive...

Page 68: ...Channel c invalid device parameters device ident d Invalid device parameters DSP Software error or wrong device type detected 51 Invalid DSP prog u Channel c invalid DSP program d DSP program invalid...

Page 69: ...rature d C Channel c overtemperature d C power uW Channel mute due to overtemperature SMPA Insufficient cooling 95 Clock fault Channel c clock fault 3 1ukHz power uW Clock fault SMPA SMPA defect 96 Su...

Page 70: ...4 Input monitoring fault Input monitoring fault AX level 4 1ddBu threshold 4 1ddBu Input Monitoring Fault Cabling 165 168 Input monitoring fault Input monitoring fault DX level 4 1ddBFS lock d DS data...

Page 71: ...e at the end of its operational lifetime Please dispose of this product according to the respective national regulations or contractual agreements If there are any further questions concerning the dis...

Page 72: ......

Page 73: ...D2038 EN 01 08 2023 d b audiotechnik GmbH Co KG www dbaudio com...

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d&b audiotechnik D40, Reference Manual

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