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38

CHAPTER 8

DC2476 DATA

SPECIFICATION

Analogue Input

Connectors

XLR Balanced (Pin 2 Hot)

Impedance

10 K

Max. Input Level

+21 dBu

Input CMR

Better than -50dB

A to D Conversion

24 Bit

Dynamic Range

A/D

-112dB Unweighted at 48KHz

Crosstalk

-80dB @ 10Hz to 20kHz

Analogue Output

Connectors

XLR Balanced (Pin 2 Hot)

Impedance

50 

Max. Output Level

+21 dBu

Output Balance

-35dB@1KHz

D to A Conversion

24 Bit

Dynamic Range

-108dB Unweighted

THD

<0.008%@1KHz, +10dBu

Frequency Response

96kHz

7Hz - 44kHz

@  -1dB

88kHz

7Hz - 41kHz

48kHz

7Hz - 22kHz

44.1kHz

7Hz - 20kHz

32kHz

7Hz - 15kHz

Crosstalk

-80dB @ 10Hz to 20kHz

Digital Inputs and Outputs

AES/EBU In/Out

XLR

S/PDIF In/Out

Coaxial, RCA Type

Sample Rates

32,  44.1, 48, 88.2 and 96KHz

Word Clock

Input Impedence 75 

Output Impedence 33 

PC- Card Interface

Connector

Type 1 PCMCIA SRAM card

Standards

PC-Card 2.0, Jeida 4.0 standard

Card Format

upto 256Kb.

Internal Battery

Type

Varta Mempac Ni-MH

Rating

3.6V  150mAh

Control Interface

MIDI

In/Out/Thru: 5 Pin DIN

General

Power Requirements

30VA

Fuse Rating

T500mA for All voltages.
CONFORMING TO:
IEC 127-2

Fuse Type

20mm x 5mm, Class 3 Slow - Blow
250Volt working

Case Size (mm)

482(w) x 44(h) x 250(d)

Weight (incl packaging)

5KG

Summary of Contents for Masterflow DC2476

Page 1: ...ghted 8 2001 by Drawmer Electronics Ltd With all rights reserved Under copyright laws no part of this publication may be reproduced transmitted stored in a retrieval system or translated into any lang...

Page 2: ...not accept responsibility for loss or dam age during transit This warranty is void if the product has been damaged by mis use modification or unauthorised repair THIS WARRANTY IS IN LIEU OF ALL WARRAN...

Page 3: ...ontrol Keys 20 LED Display 20 Chain Param 21 Effects 21 Bypass 21 Compare 21 FX Bypass 21 FX Solo 21 Help 21 Chapter 4 Basic Effects Introduction 22 Input 25 Dynamic Equaliser and Full Band Compressor...

Page 4: ...l interference to radio communications How ever there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television rec...

Page 5: ...e of a Bootstrap compressor Conventional compressors reduce the level of audio peaks which means make up gain has to be applied to restore the same peak level The Drawmer DC2476 works the other way ar...

Page 6: ...onnect the mains ground but instead try disconnecting the signal screen on one end of each cable connecting the outputs S PDIF Is via a high quality RCA type phono jack where the data conforms to the...

Page 7: ...7 INSTALLATION AND CONNECTION GUIDE...

Page 8: ...D using the Left Right scroll buttons Select READY TO LOAD then turn the knob to select a patch then push the knob to load the patch All internal controls will slide to their new values almost instant...

Page 9: ...he features are designed to work using a scroll around method Therefore to step from Page 1 to Page 3 and from Page 3 to Page 1 only one key press is required Up or Down Cursor Similarly to move from...

Page 10: ...10 SCREEN NAVIGATION MAP The Effects Screens The Global Screens...

Page 11: ...11...

Page 12: ...possible to select between Source Block and Ready to Load on the bottom row of the display again using the Left right cursor buttons When Block is selected an underscore appears beneath one of the blo...

Page 13: ...Push to load Allows a particular block from a patch to be loaded Shows the selected page function Press to save the Patch Allows the user to scroll through the patch names Allows the name to be edite...

Page 14: ...ght button to move between MEMORY PROTECTED OFF ON FORMAT CARD and READY When READY is highlighted press knob to format the card Shows the selected page function When Off is highlighted press knob to...

Page 15: ...tosavethePatchwhenselected Lets the user scroll through the patch names Allows the name to be edited Allows the Patch name to be inserted Text is selected form the Character Set Shows the card status...

Page 16: ...External Clock on the rear of the unit to be set to either the input or output sample rate as set on the DIGIO page OUT Dither and Noise Shaping Where necessary noise shaped dither can be applied to r...

Page 17: ...n SRate Digital In Clk or the Output SRate Displays the clock frequency for either digital or analogue Push the knob to select either the input or output sample rate GLOBAL EXTERNAL CLOCK If a digital...

Page 18: ...Push the knob to select either Dither Level Shape Word Length or OP Trim White Noise Dither is shown here The MED shape is the preferred setting for general purpose OP Trim is the very last procedure...

Page 19: ...anges to be made via a MIDI device Enables patches to be loaded from Factory Presets User Presets Card Presets when a midi programme change is sent When Pv is selected using the Chain Param button Use...

Page 20: ...NG the control knob to the required band The value is set by ROTATING the rotary control knob to the required value LED DISPLAY Edited Patch This is highlighted when the loaded Patch User or Factory h...

Page 21: ...lock Load section of the load patch page FX SOLO Allows all effects blocks other than the one currently selected to be bypassed so that the effect of that block can be evaluated in isolation Although...

Page 22: ...EQ Selecting Filter puts the DC2476 into filter listen mode so that filter characteristics may easily be evaluated Pushing the knob when adjusting Frequency or Bandwidth selects output as Normal or F...

Page 23: ...level dependent spectral changes The user may adjust the two crossover points that define the three frequency bands into which the signal is split prior to processing The crossover frequencies may be...

Page 24: ...UBE SATURATOR The tube saturation emulation in the DC2476 is based around an algorithm that mimics the transfer characteristics of a typical triode tube This introduces both level dependent harmonic d...

Page 25: ...to correct for any stereo image unbalance Signals levels are displayed over a period of 1 10 Sec A Gain Reduction bar display will appear if the Gain Management has responded to peaks This will occur...

Page 26: ...b to select either Norm or Filter Filter is only available when either FREQ or BW is selected Bar graph shows compressor gain reduction or expander gain Marker shows the centre frequency of the select...

Page 27: ...Graphical display shows the overall EQ Boost Cut that has been applied by setting the Gain Fre quency and the Bandwidth The Gain Reduction shows when the Gain Management has reduced the EQ level This...

Page 28: ...ob to select the band to be adjusted When Pv is selected Use the Left or Right button to select either Threshold Ratio Attack Release or Range This shows the band settings Low band Mid band High band...

Page 29: ...ate the control knob to adjust Tube Drive on the selected band Push the control knob to select the band to be adjusted When Pv is selected Use the Left or Right button to select either Release or Ster...

Page 30: ...tion Shows G R applied by the Gain Management after the 3 band signals have been summed Push the control knob to select which band is to be adjusted Push the control knob to start the Fade Out Fade In...

Page 31: ...ore Edit Gain applied at Input section Turning the knob trims levels for direct A B comparison Left Right toggles between Moniter Bands and SetX Over On returning to set x over mode you will still onl...

Page 32: ...ies can be reduced or even summed to mono without affecting the mid and high frequency elements of the mix The output section includes a sophisticated dithering system for maintaining maximum dynamic...

Page 33: ...ing the overall mix for example to add weight to a kick drum or bass guitar Again the best results are generally achieved by using restraint and as with EQ narrow band boosts tend to be more obvious t...

Page 34: ...TIGHTBOTTOM PHAT BOTTOM DE ESS SWEET DE ESS SUBTLE MASTER CD MASTERFLOW NEUTRAL PATCH GLASSY BOOT BASS WIDE SMILE DRUM KIT RHYTHMSECTION MID LIFT PIANO FULL SMILE TUBES User Comments User Comments ROC...

Page 35: ...59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 Preset Name No 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 Preset N...

Page 36: ...0 124 66 Reserved 67 Reserved 68 Lo Lim Release 0 62 69 Lo Width 0 62 70 Tube Hi 0 100 71 Hi Level 0 62 72 Mid Exp Thresh 0 96 73 Mid Exp Ratio 0 62 74 Mid Exp Attack 0 62 75 Mid Exp Release 0 62 76...

Page 37: ...y of the original sales invoice and a detailed description of the problem Authorised returns should be prepaid and must be insured All Drawmer products are packaged in specially designed containers fo...

Page 38: ...7Hz 41kHz 48kHz 7Hz 22kHz 44 1kHz 7Hz 20kHz 32kHz 7Hz 15kHz Crosstalk 80dB 10Hz to 20kHz Digital Inputs and Outputs AES EBU In Out XLR S PDIF In Out Coaxial RCA Type Sample Rates 32 44 1 48 88 2 and...

Page 39: ...39 BLOCK DIAGRAM Ref 2v00 K 21 10 2002...

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