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Drawmer Masterflow DC2496 Owner's Manual

High resolution analogue to digital converter
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HIGH RESOLUTION
ANALOGUE TO DIGITAL
CONVERTER
COPYRIGHT
This manual is copyrighted 8 1999 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 language in any form by any means, mechanical, optical, electronic,
recording, or otherwise, without the written permission of Drawmer Electronics Ltd

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Summary of Contents for Drawmer Masterflow DC2496

  • Page 1 COPYRIGHT This manual is copyrighted 8 1999 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 language in any form by any means, mechanical, optical, electronic,...

  • Page 2: Warranty

    In the interests of product development, Drawmer reserve the right to modify or improve specifica- tions of this product at any time, without prior notice.

  • Page 3: Table Of Contents

    96kHz 24 Bit Recording and Replay Contacting Drawmer ......20 96K 24 Bit A/D Input Recording ..... 12 96K 24 Bit A/D Input Replay from ADAT .

  • Page 4: Safety Consideration

    For the USA DRAWMER DC2496 FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY IN- HIGH RESOLUTION ANALOGUE TO DIGITAL TERFERENCE STATEMENT CONVERTER This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits...

  • Page 5: Introduction

    INTRODUCTION 16bits to DAT (using internal Sample Rate Convertor) The Drawmer DC2496 is an extremely sophisticated, high resolution Sample Rate Convertor with bit reduction and dither to reduce 96/88.2K 24bit analogue to digital converter designed for use in demanding recording and recordings to 48/44.1K 16/20bit for CD masters.

  • Page 6: Audio Connections

    50 BNC connector. ADAT Connect via an Optical Cable (Light Pipe) with a maximum recommended length of three metres. The cable supports 8 channels at a 24 Bit word resolution. The Drawmer DC2496 provides seperate ADAT input and output as standard.

  • Page 7: Installation And Connection Guide

    INSTALLATION AND CONNECTION GUIDE...

  • Page 8: Front Panel Effects

    BASIC EFFECTS CHAPTER 2 Input Signal Limiter Word Resolution Dither INPUT SIGNAL shows the The limiter will only have any effect when ‘DIGITAL WORD RESOLUTION defines the H.F dither generally removes the selected input source. This signal GAIN’ is set greater than 0dB. number of bits per audio sample, low level distortion on low signal is also indicated on the rear panel...
  • Page 9 Sample Rate / Ext Word Clock Replay Track Mode Digital Gain SAMPLE RATE selects the required highly accurate REPLAY TRACK is only lit when ADAT or TDIF RECORD/PLAY selects internal crystal controlled dual PLL clock signal. This input signal has been selected. between two sets of all GAIN of up to +18dB can can be 44.1, 48, 88.2,96k or EXT which can use an...

  • Page 10: Chapter 3 - Operation

    Setup System using Internal Sine Wave Generator CHAPTER 3 OPERATION Use the internal sine wave generator to confirm output signals and to identify left/right channels. A 100Hz, 1kHz or 10kHz internally generated sine wave at -40dB, -20dB or - 26dB to -6dB variable will be sent to all outputs. When the input signal button is pressed the setup tone stops.
  • Page 11 REAR PANEL - BOTTOM ROW REAR PANEL - TOP ROW AUX DIGITAL OUTPUTS MAIN DIGITAL OUTPUTS DIGITAL I/O DIGITAL INPUTS ANALOGUE OUTPUTS ANALOGUE INPUTS WORD SPDIF ADAT TDIF-1 ADAT WORD SPDIF WORD SPDIF SAMPLE WORD LEFT RIGHT LEFT RIGHT SPDIF/AES SPDIF/AES CLOCK CLOCK...

  • Page 12: 96K 24 Bit A/D Input Recording

    96K 24Bit Recording and Replay OPERATION 96K 24Bit A/D conversion with monitor speakers recording and replaying, 8 Track digital tape recorders, DAT and 24Bit 96K hard disk recorder, also recording 44.1K 16 Bit to Mini-disc, all simultaneously. FRONT PANEL COMMENTS INPUT LIMITER WORD...
  • Page 13 REAR PANEL - BOTTOM ROW REAR PANEL - TOP ROW AUX DIGITAL OUTPUTS MAIN DIGITAL OUTPUTS DIGITAL I/O DIGITAL INPUTS ANALOGUE OUTPUTS ANALOGUE INPUTS WORD SPDIF ADAT TDIF-1 ADAT WORD SPDIF WORD SPDIF SAMPLE WORD LEFT RIGHT LEFT RIGHT SPDIF/AES SPDIF/AES CLOCK CLOCK...

  • Page 14: 48K 24 Bit A/D Input Recording

    48K 24Bit Recording and Replay OPERATION 48K 24Bit A/D conversion with monitor speakers recording and replaying, 8 Track digital tape recorders, DAT and 24Bit 48K hard disk recorder, also recording 44.1K 16 Bit to Mini-disc, all simultaneously. FRONT PANEL COMMENTS INPUT LIMITER WORD...
  • Page 15 REAR PANEL - BOTTOM ROW REAR PANEL - TOP ROW AUX DIGITAL OUTPUTS MAIN DIGITAL OUTPUTS DIGITAL I/O DIGITAL INPUTS ANALOGUE OUTPUTS ANALOGUE INPUTS WORD SPDIF ADAT TDIF-1 ADAT WORD SPDIF WORD SPDIF SAMPLE WORD LEFT RIGHT LEFT RIGHT SPDIF/AES SPDIF/AES CLOCK CLOCK...

  • Page 16: Multi-Track Copying

    Multi-Track Copy OPERATION Digitally copy ADAT to TDIF or TDIF to ADAT 44.1/48K or 88.2/96K recordings. Also reduce 48K 24Bit triple tracks to 48K 16 Bit stereo with optimum dither, without using sample rate conversion. FRONT PANEL COMMENTS INPUT LIMITER WORD DITHER SAMPLE...
  • Page 17 REAR PANEL - BOTTOM ROW REAR PANEL - TOP ROW AUX DIGITAL OUTPUTS MAIN DIGITAL OUTPUTS DIGITAL I/O DIGITAL INPUTS ANALOGUE OUTPUTS ANALOGUE INPUTS WORD SPDIF ADAT TDIF-1 ADAT WORD SPDIF WORD SPDIF SAMPLE WORD LEFT RIGHT LEFT RIGHT SPDIF/AES SPDIF/AES CLOCK CLOCK...

  • Page 18: Chapter 4 - Special Operation Notes Record Hi-Res Bit Splitting Tracks To Adat/Tdif

    CHAPTER 4 If tracks 123 only are recorded then there noise will be heard when monitoring tracks 5,6. This is correct and is the ‘Remainder’ track of the Hi- HELPFULL HINTS Res signal. If track triple 4,5,6 is recorded or both sets of Triple tracks then this noise will not be heard.

  • Page 19: Chapter 5 - Dc2496 Information

    P.C. and into the RS232 port on the rear of the DC2496. Wait a few seconds until the DC2496 unit has been recognised. DRAWMER ‘Masterflow DC2496 upgrade’ software - available free from our web site. The installed software will be compared and if required the unit will be upgraded.

  • Page 20: Chapter 6 - General Information

    Please address correspondence to: A list of all main dealers can be found on the Drawmer webpages. Drawmer (Technical Help line) On receipt of this information, service or shipping instructions will be Coleman Street forwarded to you.

  • Page 21: Chapter 7 - Dc2496 Data

    CHAPTER 7 DC2496 DATA SPECIFICATION Analogue Input Digital Inputs and Outputs Connectors XLR Balanced (Pin 2 Hot) Main AES/EBU In/Out Impedance 10 K Main S/PDIF In/Out Coaxial, RCA Type Max. Input Level +24 dBu TDIF 25 pin D plug. Input CMR Better than -50dB 8 Channel A to D Conversion...

  • Page 22: Block Diagrams

    BLOCK DIAGRAM Ref:1v02 A 30-09-04...

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