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Summary of Contents for pro bel 4401
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Page 1: Table Of Contents
4401 Digital Audio Distribution Amplifier Contents Introduction Installation Signal I/O Configuration Setting input options Status monitoring Trouble shooting Specification Technical Manual... -
Page 2: Introduction
4401 Introduction The 4401 digital audio distribution amplifier (DA) provides five or ten outputs from one digital audio input. The module may be used in the 1050 3U and 1051 1U ICON modular product rackframes. Both unbalanced and balanced rear connectors are available. A 30mm rear panel for unbalanced outputs provides all ten outputs whilst a five output 20mm rear panel is provided for unbalanced outputs where space saving is important. - Page 3 4401 Digital Audio Distribution Amplifier Technical Manual...
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Page 4: Installation
4401 Installation The 4401 digital audio dual DA fits in the 1050 3U and 1051 1U ICON modular product rackframes. It is used with either the K4401.2U 20mm rear panel for balanced digital audio I/0 or the K4401.3U 30mm and K4401.2U 20mm rear panel for unbalanced digital audio I/O. -
Page 5: Signal I/O
4401 Digital Audio Distribution Amplifier Signal I/O The K4401.3U and K4401.2U panels are equipped with BNC connectors for unbalanced digital audio inputs and outputs, whilst the K4401.2B panel is equipped with 15 way and 25 way ‘D’ type connectors to accommodate balanced digital audio inputs and outputs. - Page 6 4401 Signal I/O (AES OUT) K4401 Function Function O/P1- OP6- O/P1+ OP6+ O/P2- O/P7- O/P2+ O/P7+ O/P3- O/P8- O/P3+ O/P8+ O/P9- O/P4- O/P9+ O/P4+ O/P10- O/P5- O/P10+ O/P5+ Signal I/O (AES IN) Function Function I/P + I/P - The K4401.2B rear panel...
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Page 8: Configuration
4401 Configuration The 4401 input may be configured for different termination values to increase system flexibility. Setting input options To select the AES input termination options use jumpers PL3 and PL5 as explained in the following table: AES input termination modes... - Page 9 4401 Digital Audio Distribution Amplifier Technical Manual...
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Page 10: Status Monitoring
In addition, the module is programmed with the following information, which can be read by the status monitoring controller: • Module type • Module bar code • Module issue no For further details of the Pro-Bel status monitoring system please refer to the COSMOS status monitoring manual. Issue 1... - Page 11 4401 Digital Audio Distribution Amplifier Technical Manual...
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Page 12: Trouble Shooting
• check that the appropriate terminations have been set LOSS OF IP1 LOSS OF IP2 4401 status AUDIO LOCK indicators 4401 status indicators AUDIO LOCK AUDIO LOCK LED label Meaning when lit Lights red to show that SW1-1 LOSS OF INPUT1... - Page 13 4401 Digital Audio Distribution Amplifier Technical Manual...
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Page 14: Specification
4401 Specification Inputs Number and type: 1, transformer coupled, balanced to AES3-1992 or unbalanced to AES3id (or SPDIF) Termination: High, 75W or 110W Sample frequency range 32-54kHz Outputs Number and type: 10, balanced transformer coupled AES3-1992 or 10 (5) unbalanced capacitively coupled to AES3id...
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