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Specifications

Limiters

 

Program Limiter: 
Threshold: +22dBu to -10dBu 
Attack time: 0.3 to 90 milliseconds 
Release time: 2/4/8/16/32 x Attack time 

 

“D-Max” Limiter: 
Attack Time: -60uS 
Release Time: Slow/Medium/Fast

 

Display: 2 x 24 Character LCD

 

Input meter: 2 x 4 point, -24dB to digital clip
Output meter: 4 x 4 point, -24dB to +4dB into limit

 

Connectors

 

Inputs: 3 pin female XLR 
Outputs: 3 pin male XLR
External: 9 pin DEE connector (RS232) 

Power: 3 pin IEC 

 

Power: 60 to 250V ±15% @ 50/60Hz
Consumption:  < 30 watts. 

 

 

 

Due to continuing product improvement the above 
specifications are subject to change. 

 

Latency: 1.5mS (analogue in – analogue out @ 96kHz)

 
 

Inputs: 2 electronically balanced
Impedance:  > 10k ohms. 
CMRR : >65dB 50Hz - 10kHz.
MUTE : ON/OFF

 

Outputs: 4 electronically balanced

Source Imp:  < 60 ohms 
Min. Load:  600 ohms
Max. Level: +20dBm into 600 ohms
MUTE : ON/OFF

 

Frequency Resp.:  ½dB 20Hz-20kHz 

±

Dyn. Range: >116dB 20Hz-20kHz unweighted 
Distortion: < .02%@1kHz,+18dBm 
Maximum Delay: 650 mS  
Min Step Size: 0.3uS
Input Gain: +6dB to -40dB in 0.1dB steps 
Output Gain: +15dB to -40dB in 0.1dB steps

 

Parametric Equalisation

 

8 per Input / 9 Sections per Output  
Filter Gain: +15dB to -30dB in 0.1dB steps
Freq. Range: 19.7Hz - 32kHz, 1/36 octave steps
Filter Q / BW: 0.4 to 128 / 2.5 to 0.008 
(Sections switched to shelving response) 
Low frequency: 19.2Hz - 1kHz  
High frequency: 1kHz - 32kHz 
Shelf gains: ±15dB in 0.1dB steps

 

High and Lowpass Filters

  

Filters: 1 of each per output. 
Freq. Range  HPF: 10Hz - 16kHz 
1/36 octave steps. 
Freq. Range LPF:  35Hz - 22kHz 
1/36 octave steps. 
Responses:  

st

1  Order 6dB/Oct.
Bessel/Butterworth/Linkwitz-Riley 12-24-48dB/Oct.
Bessel/Butterworth 18dB/Oct.  

-3dB @ 32kHz

Weight: 
        

3.3kg. Net (4.7kg. Shipping)

7.26lb. Net  (10.34lb. Shipping)

Size: 
     

44 x 482 x 300 (mm)

1.75"(1U) x 19" x 11.8"

27

Manual de Usuario

DSP-2040

Summary of Contents for 11105040

Page 1: ...quipo lea la sección Precauciones de seguridad de este manual Conserveestemanualparafuturasconsultas Before operating the device please read the Safety precautions section of this manual Retainthismanualforfuturereference Digital Signal Processors ...

Page 2: ...C 60065 2001 If the fuse needs to be replaced please pay attention to correct type and ratings Unplug this apparatus during lightning storms earthquakes or when unused for long periods of time Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat The circulation of air must not be blocked Clean only with a dry cloth Do not use any solvent...

Page 3: ...licitar reparación en garantía es imprescindible que el producto no haya sido previamente manipulado e incluir una fotocopia de la factura de compra All our products are warrantied against any manufacturing defect for a period of 2 years from date of purchase The warranty excludes damage from incorrect use of the product All warranty repairs must be exclusively undertaken by the factory or any of ...

Page 4: ...nal use Part 2 Immunity l EN 50581 2012 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances Cumple con los objetivos esenciales de las Directivas Abide by essential objectives relating Directives l de Baja Tensión Low Voltage Directive 2014 35 UE l de Compatibilidad Electromagnética EMC 2014 30 UE l RoHS 2011 65 U...

Page 5: ...scription Rear panel description Operating the device Editing audio parameters Input channels Editing audio parameters Output channels Input ganging and output ganging Memory structure Security and locking Advanced audio features Specifications DSP 2040 User s Manual ...

Page 6: ...DSP 2040 User s Manual ...

Page 7: ...terface may also be fitted to allow remote memory recalls using simple switch closure apparatus Security lock out is available for all controls Features Superb audio quality carefully optimised double precision signal processing coupled with 24 bit conversion ensure a dynamic range in excess of 117dB The high sampling rate of 96kHz means minimal filtering providing exceptional sonic purity with a ...

Page 8: ...to the default screen 2 3 4 5 ENTER 6 BYPASS 7 QUIT 8 Rotary Encoders Three velocity sensitive encoders adjust the relevant parameters as displayed on the screen Input Sections Control and monitor input signal paths Red MUTE buttons illuminate when pressed and mute audio for that channel EDIT buttons illuminate yellow when pressed and access gain on first press then last viewed parameter on second...

Page 9: ...onnector for connection to a PC 3 Audio Outputs 3 pin XLR sockets are provided for each channel All are fully balanced pin 2 hot pin 3 cold pin 1 screen 4 Audio Inputs 3 pin XLR sockets are provided for each channel All are fully balanced pin 2 hot 3 cold 1 screen WARNING Class I device This equipment must be earthed If the cable or the mains plug are damaged they must be replaced Always replace t...

Page 10: ...ENTER Use the BACK or NEXT key to select Design a crossover and then press ENTER Finally use the BACK or NEXT key to select the desired routingand follow the set up wizard to finalise your design Note that when in a menu ENTER is always used to confirm selections The current selection is marked with an asterisk Use the EDIT keys on each output channel with the BACK and NEXT keys to select the high...

Page 11: ...Input Channel Makeup The diagram below shows the processing available on each of the four input channels before routing to the matrix Output Channel Makeup The diagram below shows the processing available on each of the eight output channels after routing from the matrix Preset Routing Configurations In addition to the ability to assign any combination of inputs to any output a number of preset co...

Page 12: ... LOW OUTPUT 40 1Hz 1 62kHz HIGH OUTPUT 1 62kHz 22 2kHz HIGH OUTPUT 1 62kHz 22 2kHz 2 x 2 way crossover As shown each input feeds a pair of outputs odd numbers being the low frequency split and even numbers being the high part of the spectrum Default crossover frequencies are shown by each output AUX 10Hz 32kHz HIGH OUTPUT 1 82kHz 22 2kHz MID OUTPUT 120Hz 1 82kHz LOW OUTPUT 22 1Hz 120Hz DSP 2040 Us...

Page 13: ...all four outputs with input B unused The crossover points can be adjusted as desired Note Input B will be muted and cannot be unmuted OUTPUT 1 15Hz 149Hz OUTPUT 2 149Hz 1 31kHz OUTPUT 3 1 31kHz 8kHz OUTPUT 4 8kHz 22 2kHz DSP 2040 User s Manual ...

Page 14: ... press ENTER The EDIT key will illuminate for output 1 as will any relevant input EDIT keys showing which inputs are feeding output 1 The display will also detail the current combination of inputs feeding this output To change the routing for any output press its EDIT key and then choose the required input channel combination by just pressing the input EDIT keys as appropriate The input combinatio...

Page 15: ...s Input parametric EQ The display shows IPA Input A Gain Input Gain 6 0dB IPA Input A Delay Base Delay 0 00mS IPA Input A PEQ 1 1k00Hz Q 3 0 0 0dB Use the GAIN allow to change its value Pressing ENTER to confirm Note The delay steps are 1mS 343mm through FREQ or 10uS 4mm through Q encoder There are eight bands of parameter equalisation available on every input The behaviour of each individual band...

Page 16: ... non inverted phase Output delay The maximum available delay between any input and output is 650mS For example if the input delay on channel A is set to 500mS the maximum available output delay for any output fed from input A will be 150mS The readout units can be changed between time in milliseconds distance in feet or distance in metres OP1 Output 1 Delay Delay 0 0000mS Note The delay steps are ...

Page 17: ...he slope High Low Freq Overlap will be displayed Note that to access the 48dB Octave filters parametric bands 6 7 need to be bypassed or set to 0dB If they are not the message Bypass PEQ s 6 7 To Access 48dB Slopes will be displayed High Low Freq Overlap will be displayed Note that to access the 48dB Octave filters parametric bands 8 9 need to be bypassed or set to 0dB If they are not the message ...

Page 18: ...ver be exceeded The release time can be automatically linked to the high pass filter frequency so that it is set to a value appropriate for the output s frequency range If this feature is enabled the display will show Rel Auto in place of the release time Selection of automatic time constants is through the Design a Crossover wizard in the Crossover Sub menu More information about the limiters and...

Page 19: ... 3 4 4 must be selected and then ganged to 3 Outputs cannot share more than one ganging set so for example output 3 cannot be ganged to 2 and 4 unless they are ganged together as well Effectively 3 and 4 are ganged to 2 in this case With these rules in mind selecting and setting up gangs is quite straightforward Free Assign Ø Ø Press a MUTE key to choose the output to gang its LED will begin to fl...

Page 20: ... also combinations Input Xover These and all combinations of memory types appear in the GLOBAL MEMORY Sub Menu and its operation warrants a little more explanation Selecting to STORE or RECALL using the GLOBAL MEMORY Sub Menu option offers the possibility of storing various combinations of the available memory types and these are selected using the BACK and NEXT keys To explain how this all works ...

Page 21: ...change all the parameters Note that storage and erasure of memories does not follow quite the same rules being simpler in its operation Selecting Input and Crossover during a Store will skip any memories that have other combinations in them Selecting Erase for any combination will show only locations that have EXACTLY that combination it is not possible to erase just one part of a combination memo...

Page 22: ...utput parameters the crossover sections are completely locked All mutes remain active Xover Trim Mute As for Xover Trim but additionally output mutes are locked Input mutes remain active Changes Only All parameters may be viewed but none may be adjusted This applies to both inputs and outputs All mutes remain active Changes Views No parameters are accessible in effect the EDIT keys do nothing All ...

Page 23: ...entarily After a few seconds the unit will ask for a security code Use the EDIT keys in the same manner as for entering lock codes see page 20 for details and enter 2121 The display will show Enter XTA Supplied Code Break Code 12345 NNNN The Break Code in the example 12345 should be noted and supplied to DAS We have software to generate the corresponding Pass Code which should be typed in followed...

Page 24: ...r may sound awful In particular as with all limiters using too fast an attack or release time will result in excessive low frequency distortion In the Design a Crossover sub menu there is an option for automatic limiter time constants Use this option if you are unsure how to set the time constants manually We recommend the use of the automatic setting In this mode the time constants will be automa...

Page 25: ...turning the signal down will be in the order of several hundred milliseconds at best This will only be true if he is not distracted in reality it may be several seconds before any gain reduction is imposed on the signal to bring it under control For an analogue dynamics processor the situation is much better Controlling the gain electronically and not relying on a human sidechain feedback mechanis...

Page 26: ... similar results but with the penalty of delaying the main signal by the amount of look ahead delay introduced The D Max limiter which appears in output lists just following the traditional limiter has only two parameters to adjust Op1 Output 1 ClipLim Rel Medium 10dB Above The release time either Fast Medium or Slow and the threshold Note that the threshold is set to be a minimum of 2dB above the...

Page 27: ... speaker manufacturer s specification Have a release time which is sufficiently long to avoid the limiter itself modulating the program Be intelligent enough to adjust the envelope of the limiter according to the frequency content of the program material The program limiters are capable of performing all these tasks The only parameter that the user must set manually is the threshold and it is cruc...

Page 28: ...ver filter settings Time Alignment A further advantage of the DSP 2060 over conventional products is the provision of an independently adjustable delay section for each output This allows the true arrival time from multiple drivers to precisely aligned rather than relying on the compromise phase adjust approach Delay time is adjustable in 0 3S steps 0 1mm Please see page 12 for details of how to a...

Page 29: ...igh Shelf shown InA Input A HSF 1 1k00Hz Q 3 0 0 0dB Remember to change filter types press BYPASS to bypass the filter and then use ENTER to select the filter type The shelving EQ has adjustable frequency Q or Bandwidth and Gain controls These affect a range of frequencies from the turnover freqency as shown in the graph For a high shelf frequencies above the turnover frequency will be affected Fo...

Page 30: ...ol adjust the damping of the filter so that low Q settings show less overshoot at the turnover frequency but also slower roll off Remember that Q is 1 Bandwidth so the higher the Q the lower the Bandwidth and the smaller the range of frequencies affected The filter is primarily 12dB Octave but in achieving this sort of roll off with a high Q value will result in quite a large overshoot in level at...

Page 31: ...oad 600 ohms Max Level 20dBm into 600 ohms MUTE ON OFF Frequency Resp dB 20Hz 20kHz Dyn Range 116dB 20Hz 20kHz unweighted Distortion 02 1kHz 18dBm Maximum Delay 650 mS Min Step Size 0 3uS Input Gain 6dB to 40dB in 0 1dB steps Output Gain 15dB to 40dB in 0 1dB steps Parametric Equalisation 8 per Input 9 Sections per Output Filter Gain 15dB to 30dB in 0 1dB steps Freq Range 19 7Hz 32kHz 1 36 octave ...

Page 32: ...888 DAS 4 USA DAS Audio Asia PTE LTD 3 Temasek Avenue Centennial Tower 34 36 Singapore 039190 Tel 65 6549 7760 DAS Audio Group S L C Islas Baleares 24 46988 Fuente del Jarro Valencia SPAIN Tel 34 96 134 0860 DAS do Brasil LTDA Rua Dos Andradas 382 SL Santa Efigênia São Paulo Brasil CEP 01208 000 Tel 551133330764 ...

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