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Anleitung Alesis, modell EC-2

Hersteller: Alesis
Dateigröße: 507.74 kb
Dateiname: ec2_manual.pdf
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Anleitung Zusammenfassung


All rights reserved. Reproduction in whole or in part is prohibited. Specifications Subject To Change Without Notice. 7-51-0107-A 6/2002 EC-2 Manual appendix A EC-2 96kHz Upgrade Cards This document covers only those aspects unique to the EC-2 cards and should be kept with the HD24 manual. Table of Contents Important Safety Instructions ................................2 Safety symbols used in this product.......................2 CE Declaration of Conformity................................2 About the EC-2.....................................................2 Installing the EC-2 into the HD24...........................3 Using the EC-2 .....................................................6 Inputs and Outputs...............................................7 About the EC-2’s audio performance......................8 When to use 88.2/96 kHz......................................8 Extending the frequency range of other studio equipment.................................................... 10 Using the HD24/EC-2 with computer workstations and digital mixers..................... 11 Using the HD24/EC-2 with the Alesis AI-4 AES/EBU Interface....................................... 12 Specifications ......................................................... 13 Index 12-channel operation................................................6 AES/EBU Digital Audio Interface........................... 12 Analog Input (A/D) board.......................................5 Analog Output (D/A) board ....................................5 Antialiasing filters ...................................................8 anti-static during installation .............................................4 converters ...............................................................8 daughterboard ........................................................3 DC power cable.......................................................6 Digital inputs and outputs at high sample rates...........................................6 digital mixers at high sample rates......................................... 11 dynamic range.........................................................8 Latency................................................................. 11 level change in unbalanced input...........................................7 low-pass filters ...................................................... 10 MasterLink exporting to..................................................... 12 microphones ......................................................... 10 MIDI sequencer.......................................................2 mixing consoles..................................................... 10 monitors at 96 kHz......................................................... 10 Nyquist theorem......................................................8 oversampling filters.................................................9 phase response........................................................9 sample rates about ................................................................8 software upgrade ............................................................2 Synchronizing .........................................................7 Word clock............................................................ 12 workstations.......................................................... 11 EC-2 Manual A-1 EC-2 96kHz A/D/D/A upgrade • appendix A Important Safety Instructions Safety symbols used in this product This symbol alerts the user that there are important operating and maintenance instructions in the literature accompanying this unit. This symbol warns the user of uninsulated voltage within the unit that can cause dangerous electric shocks. All safety warnings in the HD24 manual (pages 7 through 10) apply to the EC-2 as well. CE Declaration of Conformity For the CE Declaration of Conformity, please visit the Alesis web site at: About the EC-2 The EC-2 is an optional 96kHz sampling rate analog hardware upgrade designed exclusively for the Alesis ADAT HD24. It provides 24 simultaneous channels of balanced +4 dBu analog audio inputs and outputs via 48 1/4” TRS type jacks. The EC-2 is installed directly inside the HD24’s rear panel, in place of the original A/D and D/A boards, for simple system integration and flexibility. With the EC-2 installed, the HD24 can record and play back digital audio at the 96kHz or 88.2 kHz sampling rates (in addition to the standard 44.1 and 48 kHz rates) via its analog inputs and outputs. In high sample rate mode, the HD24 can record and play back up to 12 tracks at a time. The EC-2 expansion cards are designed for use only with HD24 software version 1.05 or higher. If your HD24 has a lower software version, visit our web site at to download the latest HD24 software and instructions for updating the HD24 via a standard MIDI file or via Ethernet. If you don’t have a computer or MIDI sequencer, contact your Alesis dealer or local service center to hel...


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