API Audio The Channel Strip User Manual

Page 2

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Table of Contents

1.0 Overview

1.1 The Channel Strip Features and Introduction


2.0

Signal Flow and Block Diagrams

2.1

Default

Signal

Flow

2.2

Alternate

Routing

2.2.1 Compressor

Post

EQ

2.2.2 Compressor

Bypass

2.2.3 Equalizer

Bypass

2.2.4 Insert

2.3 Default Signal Flow Block Diagram

2.4 Compressor Post EQ Block Diagram

2.5 512C Preamp Block Diagram

2.6 325 Output Section Block Diagram

2.7 Rear Panel Signal Flow


3.0

Input Section: 512C Microphone/Instrument/Line Preamplifier

3.1 512C Preamp Overview and Features

3.2

Preamp

Controls

3.3

Input

Selection

3.3.1 Input

Switch

3.3.2 Microphone

Input

3.3.3 Instrument

Input

3.3.4 Line Input

3.4

Polarity

Inverter

3.5

Level

Indication

3.6.1 VU Meter

3.6.2 Peak

Indicator

3.6

Preamp

Output

3.7 512C Preamp Block Diagram

4.0

Dynamic Processing: 527 Compressor

4.1 527 Compressor Overview and Features

4.2

Compressor

Controls

4.2.1 Threshold

4.2.2 Attack and Release
4.2.3 Ratio

4.2.4 Type

4.2.4.1 OLD: Feed-Back Compression
4.2.4.2 NEW: Feed-Forward Compression

4.2.5 Knee

4.2.5.1 Soft Knee Compression

4.2.5.2 Hard Knee Compression

4.2.6 THRUST®

4.2.7 Gain Reduction Meter

4.3

Compressor

Routing

4.3.1 Compressor Pre Equalizer (Default Signal Flow)

4.3.2 Compressor

Post

Equalizer

4.3.3 Compressor

Bypass

4.3.4 Compressor

Side

Chain

4.4

DC

Link

4.5 Side Chain Input


5.0

Spectral Processing: 550A Equalizer

5.1 550A Equalizer Overview and Features

5.2

Equalizer

Controls

5.2.1 Low Frequency Band

5.2.2 Mid Frequency Band

5.2.3 High Frequency Band
5.2.4 Band-Pass

Filter

1

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