Manuali utente per Crown dc-300a ii

Sommario

• 1 Welcome

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• 1.1 Unpacking

  7
• 1.2 Features

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• 2 Facilities

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• 3 Installation

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• 3.1 Mounting

  9
• 3.2 Cooling

  9
• 3.3 Wiring

  9
• 3.3.1 Mode of Operation

  9
• 3.3.2 Input Connection

  11
• 3.3.3 Output Connection

  12
• 3.3.4 Additional Load Protection

  13
• 3.3.5 AC Mains Power Requirement

  14
• 4 Operation

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• 4.1 Precautions

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• 4.2 Indicators

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• 4.3 Controls

  15
• 4.4 Protection

  15
• 4.5 Fuse Replacement

  16
• 5 Technical Information

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• 5.1 Principles of Operation

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• 6 Specifications

  18
• 7 Internal Settings

  23
• 7.1 26 dB Gain vs. 0.775 V Input Sensitivity

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• 7.2 Changing the Input Sensitivity to 0.775 V

  23
• 8 Service

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• 8.1 Worldwide Service

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• 8.2 North American Service

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• 8.2.2 Factory Service

  24
• DC-300A II

  7
• Facilities

  8
• Mounting Dimensions

  9
• System Connection

  10
• Input Wiring

  11
• Subsonic Filter Capacitors

  11
• Unbalanced RFI Filters

  11
• Balanced RFI Filters

  11
• Wire Size Nomograph

  12
• Inductive Load (Transformer) Network

  13
• Fuse Selector Nomograph

  14
• AC Mains Voltage Conversion

  14
• Circuit Block Diagram

  16
• Power Matrix

  19
• Nominal Output Impedance

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• Nominal Output Phase Angle

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• Nominal Damping Factor

  20
• Nominal Phase Response

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• Nominal Crosstalk

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• Nominal Power Efficiency

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• Nominal Noise Spectrum

  22
• Nominal Frequency Response

  22
• Main Circuit Board

  23