Contents

Introduction

 

Controls and Connectors

1

Unpacking • Power • Mounting

1

Front Panel Controls

2

The Converter • The Level Meters • The Compressor

 

Synchronization and Output Formatting • Alternate Modes

 

Rear Panel Connectors

5

Audio Connections

6

Connectors • Cables

 

Using the 20/20 AD

9

Analog Inputs

9

Termination and Grounding via Internal Jumpers

9

Balanced and Unbalanced Input Signals

12

Front Panel Adjustments

13

Synchronization and Sample Rate

14

AES Sync • Word Clock • Internal and External Modes

 

About Dither

16

Psychoacoustically Optimized Noise Shaping (PONS)

 

Automatic Offset Removal

18

Compressor Modes

18

Dynamic Range Compression • Non-Linear Transfer

 

Functions • Overload Protection • Digitizing Analog Tape

 

Link • Display

 

Digital Audio Outputs

23

Realigning Two DAT Recordings

24

Digital Sinewave Generator

24

Operating the 20/20 AD in the Digitial Mode

25

Specifications

27

Definition of Terms

29

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Lexicon Converter manual Contents