Sonifex Redbox RB-DDA22 User Handbook Manual

Digital audio distribution amplifier with multiple outputs
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RB-DDA22 Digital Audio
Distribution Amplifier With
Multiple Outputs
User Handbook

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Summary of Contents for Sonifex Redbox RB-DDA22

  • Page 1 RB-DDA22 Digital Audio Distribution Amplifier With Multiple Outputs User Handbook...
  • Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor. Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.
  • Page 3: Table Of Contents

    Power Cable and Connection Ordering the Correct Mains Lead Installation Information Atmosphere Electromagnetic Radiation Fitting Redboxes WEEE & RoHS Directives - Sonifex Statement 1. RB-DDA22 Digital Audio Distribution Amplifier With Multiple Outputs Introduction Operating Mode Input Select Mode Auto Select Mode System Block Diagram 2.
  • Page 4 Fig B: Power Connections Fig C: Mains Lead Table Fig D: RB-RK3 Large Redbox Rear Rack-mount Kit Fig 1-1: RB-DDA22 Front Panel Fig 1-2: RB-DDA22 Front Panel Controls Fig 1-3: RB-DDA22 System Block Diagram Fig 2-1: RB-DDA22 Rear Panel Redbox RB-DDA22 User Handbook...
  • Page 5: Warranty

    Company. In respect of computer software supplied by the Company the Company does not warrant that the use of the software will be uninterrupted or error free. Redbox RB-DDA22 User Handbook...
  • Page 6 Seller in Condition (c). iii. Where the Goods are sold under a consumer transaction (as defined by the Consumer Transactions (Restrictions on Statements) Order 1976) the statutory rights of the Purchaser are not affected by these Conditions of Sale. Redbox RB-DDA22 User Handbook...
  • Page 7: Unpacking The Rb-Dda22

    Sonifex Ltd in the UK. For your own records you should write down the serial number (which can be found on the rear of the RB-DDA22.
  • Page 8: Safety Information

    Connect the equipment in accordance with the connection details and before applying power to the unit, check that the machine has the correct operating voltage for your mains power supply. Important Note : The terminal marked on the rear panel must be earthed. Redbox RB-DDA22 User Handbook...
  • Page 9: Ordering The Correct Mains Lead

    INFORMATION Ordering the Correct Mains Lead When ordering a Redbox from Sonifex, it is helpful if you can specify your required operating voltage and mains lead. After the product code add: UK, for 230V, UK 3 pin to IEC lead...
  • Page 10: Weee & Rohs Directives - Sonifex Statement

    “end of use”. Sonifex Ltd will be happy to give you information about local organisations that can reprocess the products, or alternatively all products that have reached “end of use” can be returned to Sonifex and will be reprocessed correctly free of charge.
  • Page 11: Rb-Dda22 Digital Audio Distribution Amplifier With Multiple Outputs

    The LEDs will indicate, depending on the mode of operation, the input selected, valid signal presence, or the operational frequency. Fig 1-2: RB-DDA22 Front Panel Controls StudioHub+TM is a registered trademark of Radio Systems Inc Redbox RB-DDA22 User Handbook...
  • Page 12: Operating Mode

    & RJ45 Input Circuit Replicated 6 Times Select Digital Audio S/PDIF RCA S/PDIF RCA Transmitter Phono Phono Circuit Replicated Twice TOSLink Optical Digital Audio TOSLink Transmitter Optical Circuit Replicated Twice Fig 1-3: RB-DDA22 System Block Diagram Redbox RB-DDA22 User Handbook...
  • Page 13: Rear Panel Connections And Operations

    The optical input is a standard TOSLink connector. Digital Audio Outputs AES/EBU Outputs The XLR 3 pin sockets have an impedance of 110Ω. They have the following connections: Pin 1: Screen Pin 2: Phase Pin 3: Non-phase Redbox RB-DDA22 User Handbook...
  • Page 14: S/Pdif Outputs

    Pin 5: No Connection Pin 6: No Connection Pin 7: No Connection Pin 8: No Connection S/PDIF Outputs The S/PDIF phono outputs have an impedance of 75Ω. Optical Outputs The optical outputs are standard TOSLink connectors. Redbox RB-DDA22 User Handbook...
  • Page 15: Technical Specifications

    Connections Inputs: 1 x AES/EBU XLR 3 pin female (balanced) 1 x AES3id BNC (unbalanced) 1 x AES StudioHub+ RJ45 (balanced) 1 x S/PDIF RCA phono female (unbalanced) 1 x TOSLink optical receiver Redbox RB-DDA22 User Handbook...
  • Page 16 19” (W) x 4.3” (D) x 1.7” (H) (1U) Dimensions (Boxed): 58.5cm (W) x 22.5cm (D) x 7cm (H) 23” (W) x 8.9” (D) x 2.75” (H) Weight: Nett: 1.4kg Gross: 2.0kg Nett: 3.0lbs Gross: 4.4lbs Redbox RB-DDA22 User Handbook...
  • Page 17 NOTES Redbox RB-DDA22 User Handbook...
  • Page 18 NOTES Redbox RB-DDA22 User Handbook...
  • Page 19 NOTES Redbox RB-DDA22 User Handbook...
  • Page 20 w w w . s o n i f e x . c o . u k t:+44 (0)1933 650 700 f:+44 (0)1933 650 726 s a l e s @ s o n i fe x . co. u k...

Table of Contents