Specifications

Operation Manual
Studio Reference I & II Professional Studio Amplifiers
page 4
Important Safety Instructions .......................................................2
Declaration of Conformity ............................................................3
1 Welcome ....................................................5
1.1 Features ...........................................................................5
1.2 How to Use This Manual ..................................................6
2 Setup ......................................................... 7
2.1 Unpack Your Amplifier ....................................................7
2.2 Install Your Amplifier ......................................................7
2.3 Ensure Proper Cooling ...................................................7
2.4 Choose Input Wire and Connectors ................................8
2.5 Choose Output Wire and Connectors ..............................8
2.6 Wire Your System ...........................................................9
2.6.1 Stereo Mode ..........................................................9
2.6.2 Bridge-Mono Mode ...............................................10
2.6.3 Parallel-Mono Mode...............................................11
2.7 Connect to AC Mains ......................................................12
2.8 Startup Procedure ...........................................................12
3 Operation ...................................................13
3.1 Precautions .....................................................................13
3.2 Front Panel Controls and Indicators ...............................15
3.3 Back Panel Controls and Connectors...............................17
4 Advanced Features and Options .........................18
4.1 Indicators .......................................................................18
4.2 Protection Systems ........................................................18
4.2.1 ODEP......................................................................18
4.2.2 Standby Mode ........................................................19
4.2.3 Transformer Thermal Protection .............................19
4.2.4 Circuit Breaker ....................................................... 19
4.3 Filter Cleaning ................................................................ 19
4.4 Controls ......................................................................... 20
4.4.1 Level Controls ....................................................... 20
4.4.2 Meter Switches ...................................................... 20
4.4.3 Ground Lift Switch ................................................. 21
4.4.4 Input Sensitivity Switch ......................................... 21
4.5 PIP Modules ................................................................... 21
5 Principles of Operation ....................................22
5.1 Overview ........................................................................ 22
5.2 Circuit Theory ................................................................ 23
5.2.1 Stereo Operation .................................................... 23
5.2.2 Bridge-Mono Operation ......................................... 23
5.2.3 Parallel-Mono Operation ....................................... 23
6 Troubleshooting ............................................24
7 Specifications ..............................................25
7.1 Mininum Guaranteed Power Specifications .................... 27
7.2 Maximum Power Specifications ..................................... 29
8. AC Power Draw & Thermal Dissipation ................32
9 Service ... .............................................................................. 34
9.1 Worldwide Service .......................................................... 34
9.2 US and Canada Service .................................................. 34
9.2.1 Service at a US or Canada Service Center ............. 34
9.2.2 Factory Service ...................................................... 34
9.2.3 Factory Service Shipping Instructions ................... 34
10 Warranty ...................................................35
Crown Factory Service Information Form ...................................37
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