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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

 

 

 

Summary of Contents for DDA 1:6

Page 1: ...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: ...ubt 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 6 Brooks Place Maidstone Kent ME14 1HE United Kingdom Telephone 44 0 1622 753662 Fax 44 0 1622 762330 EMAIL ADDRESSES General enquires office glensound co uk Technical enquires techinfo glensound co uk Sales enquires sales glensound co uk ...

Page 3: ...e point where they exit from the apparatus 11 Only use attachments accessories specified supplied by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug tis apparatus during lightning storms or when unused f...

Page 4: ... terminal in the plug marked N Neutral The Red or Brown wire must be connected to the terminal in the plug marked L Live THIS UNIT MUST BE EARTHED THIS UNIT IS FITTED WITH AN INTERNAL MAINS FUSE The fuse is located internally between the Live terminal of the IEC plug and the Live input of the power supply The fuse should only be changed by a qualified service engineer If replacing the fuse care sh...

Page 5: ... 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 This product conforms to the above directive and for this purposes the maximum concentration values of the restricted substances by weight in homogenous materials are Lead ...

Page 6: ... 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 Customer shall return the goods to the Company s works or their local dealer All non wear parts are guaranteed for 2 years after despatch and any defect developing after proper use from faulty materials or wo...

Page 7: ...INSTALLATION 9 AUDIO BLOCK DIAGRAM 11 EXAMPLES OF USE 12 1 Radio Station CTA 12 USER CONTROLS 13 1 Power On LED 13 2 Error LED 13 3 AES Lock LED 13 4 Selector Switch 13 5 Headphone Jack Socket 13 6 Headphone Volume Control 13 CONNECTIONS 14 7 AES3 Outputs 14 8 AES3 Input 14 9 External DC Input 14 10 Mains In 14 WIRING INFORMATION 15 1 Standard Pin Outs 15 TECHNICAL SPECIFICATION 16 ...

Page 8: ...e input Loop through is done with no delay to the signal and therefore is most useful if the AES3 signal is synced with another source through the users production chain When in Renormalising mode the most common way to use the unit the incoming signal is cleaned up and the output signals will have clean clock edges and be as close to their initial source as possible The only disadvantage of renor...

Page 9: ... on top of desks or worktops INSTALLING SIGNATURE SERIES IN A 19 RACK Firmly hold the signature subrack within the 19 rack and locate in 1RU of space Use the supplied 6mm rack screws to securly attach the unit to the rack INSTALLING ADHSIVE FEET FOR NON PERMANENT TABLE TOP MOUNTING Remove the front rack ears if they are not required turn the unit upside down and attach the supplied 4 sticky feet a...

Page 10: ...silver button head screws that were removed from the front as per the bottom picture above USING THE MOUNTING HOLES FOR PERMANENTLY ATTACHING THE UNIT ABOVE OR BELOW A WORKTOP DESK Use either the top or bottom mounting holes as indicated above to use suitable screws to attach the signature unit to a worktop or bench PLEASE ENSURE THAT YOU USE SUITABLE FIXINGS Series Signature g Keeps Working PWR O...

Page 11: ...0 VAC INTERNAL FUSE AC DC PSU 12V 12V EXT DC 12V AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES TRANSMITTER AES RECEIVER MICROCONTROLLER AES LOCK ERROR LOOP THROUGH RENORMALISE D2A CONVERTER AES OUTPUTS HEADPHONES ...

Page 12: ... 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 This station also broadcasts online so another output connects to a PC to become the internet broadcast stream Local monitoring is re...

Page 13: ...as they have clear sharp clock edges and mirror the original AES3 signal It takes 1 sample to do this so the output will be sample behind the input When in Loop Through mode the AES3 outputs will be identical to the input so if the input signal has been degraded by a long cable run or noise then the output signal will reflect this identically 5 Headphone Jack Socket This is a standard 6 35mm 1 4 s...

Page 14: ...ternal DC Input This DC input can be used instead or as well as the mains input It requires a 12V power source such as our PS1 If used in conjunction with the mains input it will seamlessly provide a redundant power source 10 Mains In This AC input accepts a wide range power supply suitable for use Worldwide If used in conjunction with the external DC supply then a seamless redundant power supply ...

Page 15: ...ifiers whose stereo outputs can be connected directly to mono headphone jacks without damaging the headphones internal amplifiers 1 2 3 XLR SOCKET FEMALE 1 2 3 XLR PLUG MALE TIP RING SLEEVE STANDARD XLR AUDIO PINOUTS 1 Ground Earth 2 INPHASE POSITIVE MIC 3 MATE NEGATIVE MIC STANDARD HEADPHONE WIRING TIP A LEFT Ear RING B RIGHT Ear SLEEVE Common Earth ...

Page 16: ... up Headphone Clip Level Noise Level Unweighted 22Hz 22kHz Maximum Minimum Levels Output Impedance Output Types Headphone Level Distortion 8 from line up Sample Frequency Range 110 ohms 1 x 3 pin Neutrik XLR Transformer balanced 0 00005 18dBu 77dBu Maximum gain 200mV to 10V peak to peak 110 ohms 6 x 3 pin Neutrik XLRs Transformer balanced 0dB 600 Ohms 18dBfs input 100Hz 0 006 1kHz 0 005 10kHz 0 01...

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