Crown Audio Macro-Tech MA-5000VZ User Manual
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Macro-Tech 5000VZ Power Amplifier
Reference Manual
CONTENTS
1
Welcome ................................................................................. 8
1.1 Why So Much Power? ....................................................... 8
1.2 Unpacking ........................................................................ 8
1.3 Features ........................................................................... 9
2
Facilities ................................................................................ 10
3
Installation ............................................................................ 13
3.1 Mounting ........................................................................ 13
3.2 Cooling ........................................................................... 13
3.3 Wiring ............................................................................ 14
3.3.1 Stereo (Two-Channel) Operation .......................... 14
3.3.2 Bridge-Mono Operation ....................................... 15
3.3.3 Parallel-Mono Operation ...................................... 16
3.3.4 Input Connection ................................................. 17
3.3.5 Output Connection .............................................. 18
3.3.6 Additional Load Protection ................................... 20
3.4 AC Mains Power Requirements ...................................... 21
4
Operation .............................................................................. 22
4.1 Precautions ..................................................................... 22
4.2 Indicators ....................................................................... 22
4.3 Protection Systems ......................................................... 24
4.3.1
ODEP ..................................................................
24
4.3.2 Standby ............................................................... 24
4.3.3 Transformer Thermal Protection ........................... 25
4.3.4 Power Supply Fuses ............................................ 25
4.4 Controls .......................................................................... 26
4.5 Filter Cleaning ................................................................ 27
5
Technical Information ........................................................... 28
5.1 Overview ........................................................................ 28
5.2 VZ Power ........................................................................ 28
5.2.1 Background ......................................................... 28
5.2.2 The VZ Supply ..................................................... 29
5.3 Circuit Theory ................................................................. 29
5.3.1 Stereo Operation ................................................. 29
5.3.2 Bridge-Mono Operation ....................................... 32
5.3.3 Parallel-Mono Operation ...................................... 32
5.3.4 Terminator Module ............................................... 32
5.3.5. Display Module .................................................... 32
6
Specifications ....................................................................... 33
7
AC Power Draw and Thermal Dissipation ............................ 39
8
Accessories .......................................................................... 40
8.1
PIP
Modules ................................................................... 40
8.2 Level Control Security Kit ................................................ 42