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TUBE ULTRAGAIN T1953
TABLE OF CONTENTS
1. INTRODUCTION.....................................................................................................................6
1.1 The concept .................................................................................................................................... 6
1.2 Before you get started ..................................................................................................................... 7
1.3 Control elements ............................................................................................................................. 7
2. OPERATION ..........................................................................................................................10
3. APPLICATIONS ..................................................................................................................... 11
3.1 The TUBEULTRAGAIN as a microphone preamp ........................................................................... 11
3.2 The TUBEULTRAGAIN as a level converter ................................................................................... 12
3.3 The TUBEULTRAGAIN as a direct injection box ........................................................................... 12
3.4 The TUBEULTRAGAIN as tube interface ...................................................................................... 12
4. TECHNICAL BACKGROUND .............................................................................................. 12
4.1 Audio dynamics ............................................................................................................................ 13
4.1.1 Noise as a physical phenomenon ....................................................................................... 13
4.1.2 What are audio dynamics? ................................................................................................. 14
4.2 The tubes used in the TUBEULTRAGAIN ..................................................................................... 15
4.3 Tube history .................................................................................................................................. 15
4.4 Design and functional principle of tubes ........................................................................................ 16
4.5 Properties of tubes ........................................................................................................................ 17
4.6 The best of both worlds ................................................................................................................. 18
4.7 UTC circuit .................................................................................................................................... 18
4.8 Studio applications ........................................................................................................................ 18
4.9 Phantom power ............................................................................................................................. 19
5. INSTALLATION ..................................................................................................................... 20
5.1 Rack mounting .............................................................................................................................. 20
5.2 Mains connection .......................................................................................................................... 20
5.3 Audio connections ........................................................................................................................ 21
5.4 Transformer-balanced output (option) ............................................................................................ 21
6. SPECIFICATIONS ................................................................................................................. 22
7. WARRANTY ........................................................................................................................... 23