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Micro-Tech Series Power Amplifiers
page 3
Operation Manual
Table of Contents
Important Safety Instructions ...........................2
1 Welcome ..........................................................4
1.1 Features ......................................................4
1.2 Unpacking Your Amplifier ...........................4
2 How to Use This Manual ...............................4
3 Setup .................................................................5
3.1 Unpack Your Amplifier ...............................5
3.2 Install Your Amplifier .................................5
3.2 Ensure Proper Cooling ..............................5
3.4 Choose Input Wire and Connectors ...........6
3.5 Choose Output Wire and Connectors ........ 7
3.6 Wire Your System ......................................8
3.6.1 Stereo Mode .....................................8
3.6.2 Bridge-Mono Mode ..........................8
3.6.3 Parallel-Mono Mode ........................8
3.7 Set Input Sensitivity ...................................9
3.8 Set Ground Lift Switch ...............................9
3.9 Connect to AC Mains ................................9
3.10 Startup Procedure ....................................9
4 Operation ........................................................10
4.1 Precautions ................................................10
4.2 Controls, Indicators and Connectors ..........11
4.2.1 Front Panel Facilities .........................11
4.2.2 Rear Panel Facilites............................12
5 Advanced Features and Options ......................................13
5.1 Protection Systems ........................................................13
5.1.1 Odep .....................................................................13
5.1.2. Ultrasonic and Radio Frequency Protection .........13
5.1.3 Drive Protection ....................................................13
5.1.4 Transformer Thermal Protection ........................... 13
5.1.5 Fuses and Circuit Breakers ...................................13
5.2 Accessories ...................................................................14
5.2.1 Cooling Fan Options ............................................14
5.2.2 Input Connectors Option ..................................... 14
5.3 Filter Cleaning ...............................................................14
6 Principles of Operation .....................................................15
6.1 Overview .......................................................................15
6.2 Circuit Theory ...............................................................15
6.2.1 Stereo Operation ...................................................16
6.2.2 Bridge-Mono Operation ........................................17
6.2.3 Parallel-Mono Operation ......................................17
7 Troubleshooting ..................................................................18
8 Specifications .....................................................................19
9 AC Power Draw and Thermal Dissipation .....................21
10 Service ..............................................................................23
10.1 Worldwide Service ........................................................23
10.2 US and Canada Service ................................................ 23
10.2.1 Service at a US or Canada Service Center .......... 23
10.2.2 Factory Service ...................................................23
10.2.3 Factory Service Shipping Instructions ................23
11 Warranty .............................................................................24
Crown Factory Service Information Form ...................................27