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TABLE OF CONTENT
1. INTRODUCTION ...................................................................................................................... 8
1.1 Technical Background .................................................................................................................... 9
1.1.1 Noise As A Physical Phenomenon ....................................................................................... 9
1.1.2 What Are Audio Dynamics?.................................................................................................. 9
1.1.3 Compressors/Limiters ........................................................................................................ 11
1.1.4 Expanders/Noise-Gates ..................................................................................................... 11
2. THE DESIGN CONCEPT ....................................................................................................... 12
2.1 High Quality Components And Design ......................................................................................... 12
2.1.1 Failsafe Relays................................................................................................................... 12
2.2 Inputs And Outputs ....................................................................................................................... 12
2.2.1 Balanced Inputs And Outputs ............................................................................................. 12
2.2.2 Transformer Balanced Outputs (Optional) .......................................................................... 12
3. INSTALLATION .....................................................................................................................13
3.1 Rack Mounting ............................................................................................................................. 13
3.2 Mains voltage ............................................................................................................................... 13
3.3 Audio connections ........................................................................................................................ 13
3.4 Selecting the operating level......................................................................................................... 14
4. CONTROLS ........................................................................................................................... 15
4.1 Expander/Gate Section ................................................................................................................ 15
4.2 Compressor Section ..................................................................................................................... 16
4.3 Peak Limiter Section..................................................................................................................... 17
4.4 Rear-panel control elements of the COMPOSER PRO ................................................................ 18
5. APPLICATIONS .....................................................................................................................19
5.1 Compression/Levelling/Limiting/Clipping ......................................................................................19
5.2 Expander/Gate Section ................................................................................................................ 19
5.2.1 Controlling Leakage In The Studio ..................................................................................... 20
5.2.2 Initial Settings For The Expander/Gate Section .................................................................. 21
5.2.3 Reducing Leakage In Stage Mics ....................................................................................... 21
5.2.4 Reducing Feedback In Stage Mics ..................................................................................... 21
5.2.5 Noise Reduction On Effects Paths ..................................................................................... 22
5.2.6 Creative Use Of The Expander/Gate Section ..................................................................... 22
5.3 Compressor Section ..................................................................................................................... 22
5.3.1 Initial Settings For The Compressor Section ...................................................................... 23
5.3.2 The COMPOSER PRO As A Sound Effects Unit................................................................ 23
5.3.3 The Muffling Effect Of A Compressor............................................................................... 24
5.4 Peak Limiter section ..................................................................................................................... 24
5.4.1 Initial Settings For The Peak Limiter Section ...................................................................... 25
6. SPECIAL APPLICATIONS .................................................................................................... 26
6.1 Using the COMPOSER PRO for recording and cassette duplication ........................................... 26
6.1.1 The COMPOSER PRO In Digital Recording And Sampling................................................ 26
6.1.2 The COMPOSER PRO In Mastering .................................................................................. 26
6.2 The COMPOSER PRO as a protective device ............................................................................. 27
6.2.1 Protection Of A System With A Passive Crossover ............................................................ 27
6.2.2 Protection Of A System With An Active Crossover ............................................................. 27
6.2.3 Improving The Sound Of A Processor System ................................................................... 27
6.4 The COMPOSER PRO in broadcast ............................................................................................ 28
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