Glensound DDA 1:6 User Manual

Signature series, digital distribution amplifier, 1 in 6 out aes3 stereo with headphone monitor up to 192ks/s

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DDA1:6
Digital Distribution Amplifier
1 in 6 out AES3 (Stereo) with headphone monitor
up to 192kS/s

User Guide

Glensound
6 Brooks Place, Maidstone
Kent, UK, ME14 1HE
Tel: +44 (0)1622 753662
www.glensound.co.uk

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  • Page 1: User Guide

    DDA1:6 Digital Distribution Amplifier 1 in 6 out AES3 (Stereo) with headphone monitor up to 192kS/s User Guide Glensound 6 Brooks Place, Maidstone Kent, UK, ME14 1HE Tel: +44 (0)1622 753662 www.glensound.co.uk...
  • Page 2 Glensound Electronics Ltd Thank you for choosing a new Glensound product. All rights reserved. Information contained in this manual is subject to change without notice, if in doubt please contact us for the latest product information. If you need any help with the product then we can be contacted at: Glensound Electronics Ltd 1 –...
  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS This symbol is intended to highlight that This symbol is intended to warn that there are important operating & dangerous voltages within the product are maintenance instructions in the literature present and constitute a risk of electric accompanying this unit.
  • Page 4 IMPORTANT: MAINS PLUG WIRING INSTRUCTIONS This Signature unit is supplied with a moulded mains plug fitted to the AC mains lead. Mains wiring colours/ connections: The Green/ Yellow or Green wire must be connected to the terminal in the plug marked ‘E’...
  • Page 5 Emissions: EN55103.1 Immunity: EN55103.2 WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT REGULATIONS 2006 (WEEE) Glensound Electronics Ltd is registered for business to business sales of WEEE in the UK our registration number is: WEE/JJ0074UR RoHS2 DIRECTIVE EC directive 2011/65/EU restricts the use of the hazardous substances listed below in electrical and electronic equipment.
  • Page 6: Product Warranty

    PRODUCT WARRANTY: All equipment is fully tested before dispatch and carefully designed to provide you with trouble free use for many years. We have a policy of supporting products for as long as possible and guarantee to be able to support your product for a minimum of 10 years. For a period of one year after the goods have been despatched the Company will guarantee the goods against any defect developing after proper use providing such defects arise solely from faulty materials or workmanship and that the...
  • Page 7: Table Of Contents

    DDA1:6 Digital AES3 Distribution Amplifier Handbook Contents Issue 1, Description Page No. Contents IMPORTANT SAFETY INSTRUCTIONS ........................3 PRODUCT WARRANTY: ..............................6 OVERVIEW ..................................8 PHYSICAL INSTALLATION ..............................9 AUDIO BLOCK DIAGRAM ..............................11 EXAMPLES OF USE ................................12 Radio Station CTA ............................... 12 USER CONTROLS ................................
  • Page 8: Overview

    OVERVIEW The Glensound Signature Series DDA1:6 is a professional audio distribution amplifier. It is manufactured using high quality components and low noise audio circuits to provide many years of trouble free use. Although traditionally a broadcast manufacturer, Glensound’s products are equally at home in professional and high end home studios, industrial installations and live pro sound environments.
  • Page 9: Physical Installation

    PHYSICAL INSTALLATION The Glensound Signature Series have been designed to be highly versatile for installation and can be installed in 19” racks with either their front or rear panels facing the front of the rack. They can also be mounted underneath desks or work tops and can be either permananetly mounted or stood (using the supplied feet) on top of desks or worktops.
  • Page 10 SWAPPING RACK EARS TO ALLOW THE REAR TO BE INSTALLED AT THE FRONT OF A RACK PART No Signature Series PWR ON Keeps Working PIN 1 = GND PIN 2 = +12V (100mA) PIN 3 = -12V (100mA) 100-240V +/-12V - - - 50/60Hz 2.7 Watts First remove the 4 silver button head screws that fix the rack ears onto the front of the unit as shown in the top picture above.
  • Page 11: Audio Block Diagram

    AUDIO BLOCK DIAGRAM INTERNAL FUSE +12V 100 - 240 VAC AC/DC PSU -12V EXT DC +/-12V AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES LOCK MICROCONTROLLER ERROR AES RECEIVER AES3 IN D2A CONVERTER HEADPHONES Page 11 of 16...
  • Page 12: Examples Of Use

    The audio must be distributed across all of the relevant services that require a connection of the original programme audio. The Signature DDA 1:6 provides 6 stereo AES outputs of the main AES programme audio. One output connects to the transmitter as the main FM broadcast feed. As multiple guest headphones are required in the studio, another output connects to a separate AES headphone distribution amplifier.
  • Page 13: User Controls

    USER CONTROLS 1. AES LOCK 2. POWER ON LED 3. ERROR LED 5. SELECTOR SWITCH 4. HEADPHONE JACK SKT 6. HEADPHONE VOLUME CONTROL Power On LED The front panel bright blue LED shows that the unit is powered on and functioning correctly. Error LED The error LED is fed from the output of the AES3 receiver and will be illuminated whenever the receiver is not receiving a valid AES3 signal.
  • Page 14: Connections

    CONNECTIONS 8. AES3 INPUT 7. AES3 OUTPUTS 9. EXTERNAL DC IN 10. AC MAINS INPUT AES3 Outputs 6 off identical transformer balanced AES3 outputs, derived from the AES input and matching its frequency rate. AES3 Input This transformer balanced AES3 input will accept standard AES3 signals between 16 and 192kS/s and up to 32 bit.
  • Page 15: Wiring Information

    WIRING INFORMATION Standard Pin Outs STANDARD XLR AUDIO PINOUTS: 1: Ground/ Earth XLR SOCKET (FEMALE) 2: INPHASE/ POSITIVE/ MIC + 3: MATE/ NEGATIVE/ MIC - XLR PLUG (MALE) STANDARD HEADPHONE WIRING: RING TIP: A/ LEFT Ear RING: B/ RIGHT Ear SLEEVE SLEEVE: Common/ Earth HEADPHONE WIRING NOTE:...
  • Page 16: Technical Specification

    TECHNICAL SPECIFICATION PHYSICAL AUDIO AES3 IN to OUT Input Impedance Size 110 ohms 336 x 123 x 44mm (LxDxH) no rack ears 482mm 19” (1RU) with rack ears Output Impedance Weight 110 ohms 0.75kg Maximum & Minimum Levels Mechanics 200mV to 10V peak to peak All aluminium construction, anodized and Sample Frequency Range laser etched...

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