Crown Audio STUDIO AMPLIFIER - Manual (Page 4)

Page 4
Studio Reference IIIII & II II II II II
Professional Studio Amplifiers
CONTENTS
1 Welcome .......................................................................... 7
1.1 Features ................................................................... 7
2 Facilities .......................................................................... 8
3 Installation ..................................................................... 10
3.1 Mounting ................................................................ 10
3.2 Cooling ................................................................... 10
3.3 Wiring ..................................................................... 11
3.3.1 Stereo (Two-Channel) Operation ................... 12
3.3.2 Bridge-Mono Operation ................................ 12
3.3.3 Parallel-Mono Operation ............................... 13
3.3.4 Input Connection .......................................... 14
3.3.5 Output Connection ....................................... 16
3.3.6 Additional Load Protection ............................ 18
3.4 AC Mains Power ..................................................... 18
4 Operation ....................................................................... 19
4.1 Precautions ............................................................. 19
4.2 Indicators ................................................................ 19
4.3 Protection Systems ................................................. 20
4.3.1 ODEP ........................................................... 21
4.3.2 Standby Mode .............................................. 21
4.3.3 Transformer Thermal Protection .................... 21
4.3.4 Circuit Breaker ............................................. 22
4.4 Controls .................................................................. 22
4.5 Filter Cleaning ......................................................... 23
5 Technical Information ................................................... 24
5.1 Overview ................................................................ 24
5.2 Circuit Theory ......................................................... 24
5.2.1 Stereo Operation .......................................... 24
5.2.2 Bridge-Mono Operation ................................ 26
5.2.3 Parallel-Mono Operation ............................... 26
6 Specifications ................................................................ 27
7 AC Power Draw & Thermal Dissipation ........................ 36
8 Accessories ................................................................... 38
8.1 P.I.P. Modules ......................................................... 38
9 Service ........................................................................... 40
9.1 Worldwide Service .................................................. 40
9.2 North American Service .......................................... 40
9.2.1 Service at a North American Service Center .. 40
9.2.2 Factory Service ............................................ 40