Alesis EC-2 owner manual Table of Contents, Index

Page 3

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

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Contents EC-2 EC-2 96kHz A/D/D/A upgrade appendix a Index Table of ContentsCE Declaration of Conformity About the EC-2 Overview Installing the EC-2 into the HD24Precautions Packing ListPrepare to install HD24 interior with original A/D/A PCBsRemove the existing converter PCBs and cables HD24 with EC-2 installed Install the new EC-2 PCBsAbout 96kHz/88.2kHz Sampling Operation Using the EC-2To test for proper installation Connect the PCBsInputs and Outputs Synchronizing at high sample ratesSynchronizing two HD24s at different sample rates Converter defines the sound When to use 88.2/96 kHzWhy 44.1/48 kHz? About the EC-2’s audio performanceDigital oversampling filters Can you hear it?Extending the frequency range of other studio equipment Latency High sample rate operationUsing the HD24/EC-2 with the Alesis AI-4 AES/EBU Interface Using the AI-4 at 88.2/96 kHzWord clock Specifications