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2

 

Chapter 2—Touring the DA824

 

DA824—Owner’s Manual

 

2  Touring the DA824

 

Front Panel

 

A

 

PEAK, NOMINAL & SIGNAL indicators

 

These indicators show the signal level of each channel.

 

PEAK

 

—This indicator lights up when the signal level is 3 dB below full-scale output.

 

NOMINAL

 

—This indicator lights up when the signal level is 14 dB below full-scale 

output.

 

SIGNAL

 

—This indicator lights up when the signal level is 34 dB below full-scale out-

put.

 

B

 

LOCK indicator

 

This indicator shows whether or not the DA824 is locked to the wordclock source. See 
“Wordclocks” on page 8 for more information.

 

C

 

POWER indicator

 

This indicator lights up when the DA824 is powered up.

 

D

 

POWER switch

 

This switch is used to turn on the power to the DA824. It’s recessed to prevent accidental 
operation. See “Turning On the Power” on page 1 for more information.

ON

OFF

POWER

DA CONVERTER

LOCK

PEAK

SIGNAL

NOMINAL

PEAK

SIGNAL

NOMINAL

1

2

3

4

5

6

7

8

2

1

4

3

Summary of Contents for DA824

Page 1: ...DA CONVERTER Owner s Manual E ON OFF POWER DA CONVERTER LOCK PEAK SIGNAL NOMINAL PEAK SIGNAL NOMINAL 1 2 3 4 5 6 7 8 Keep This Manual For Future Reference ...

Page 2: ...amit die Heißluft so schnell wie möglich abgeführt werden kann Grundsätzlich darf das Gerät nur in ein Rack eingebaut werden wenn man die oben erwähnten Punkte berück sichtigt Eine unzureichende Lüftung kann nämlich zu Überhitzung und demnach zu Schäden an dem den Gerät en oder sogar zu einem Brand führen Remarques importantes pour les utilisateurs du DA824 Les précautions concernant le montage en...

Page 3: ...g measures Relocate either this product or the device that is being affected by the interference Utilize power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to coaxial type cable If these corrective measures do no...

Page 4: ...AC outlet This may overload the AC outlet andcouldbeafireorelectricalshockhazard Itmayalsoaffecttheperformanceof some equipment If you notice any abnormality such as smoke odor or noise or if a foreign object or liquid gets inside the DA824 turn it off immediately Remove the power cord from the AC outlet and consult your dealer for repair Using the DA824 in this condition is a fire and electrical ...

Page 5: ...mperature rises sharply condensation may form inside the DA824 which may affect performance In such cases the DA824 should be allowed to acclimatize for about one hour before use When the wordclock source is changed the DA824 s analog outputs may produce noise especially if an MY8 AT I O card is installed so turn down your power amps beforehand Likewise when changing the wordclock source on the wo...

Page 6: ...demarks of Teac Corporation Yamaha is a trademark of Yamaha Corporation All other trade marks are the property of their respective holders and are hereby acknowledged Copyright No part of the DA824 software or this Owner s Manual may be reproduced or distrib uted in any form or by any means without the prior written authorization of Yamaha Corporation 2000 Yamaha Corporation All rights reserved ...

Page 7: ...24 2 Front Panel 2 Rear Panel 3 3 Digital I O Cards 4 About Digital I O Cards 4 Card Specifications 4 Installing I O Cards 5 4 Hookup Examples 6 Basic AES EBU Connection 6 Basic ADAT Connection 6 AES EBU Connection with Splitter Cable 7 Dual ADAT Connection 7 5 Wordclocks 8 About Wordclocks 8 Wordclock Hookup Examples 8 Wordclock Termination 9 Appendix 10 Specifications 10 Dimensions 12 ...

Page 8: ...e open when using the DA824 so as not to obstruct the flow of air from the air vents Do not mount the DA824 next to equipment that produces a lot of heat such as a power amplifier Setting the Maximum Output Level Inside the DA824 are eight output level switches for presetting the maximum output level of each analog output Maximum output levels settings are 24 dB 18 dB 15 dB and 4 dBV See you Yamah...

Page 9: ...AL This indicator lights up when the signal level is 34 dB below full scale out put B LOCK indicator This indicator shows whether or not the DA824 is locked to the wordclock source See Wordclocks on page 8 for more information C POWER indicator This indicator lights up when the DA824 is powered up D POWER switch ThisswitchisusedtoturnonthepowertotheDA824 It srecessedtopreventaccidental operation S...

Page 10: ...nnector this is used instead See Wordclocks on page 8 for more information E OUTPUT BAL connectors These male XLR 3 32 type connectors and 1 4 phone jack TRS connectors are the analog outputs for each channel Both types of connector are electronically balanced XLR connectors are wired as follows pin 1 ground pin 2 hot and pin 3 cold When using both the XLR and phone jack output of a channel at the...

Page 11: ...8 AE AES EBU The MY8 AE card provides AES EBU format digital I O via a 25 pin D sub connector and supports 16 20 and 24 bit wordlengths MY8 TD Tascam TDIF 1 The MY8 TD card provides Tascam TDIF 1 format digital I O via a 25 pin D sub con nector and supports 16 20 and 24 bit wordlengths A BNC connector is provided for wordclock output MY8 TD cards feature a device selector switch EXT 88 INT 38 that...

Page 12: ...over and fixing screws in a safe place for future use 3 Insert the card between the guide rails and slide it all the way into the slot as shown below You may have to push firmly to plug the card into the DA824 connector 4 Secure the card using the attached thumbscrews Do not leave the thumb screws loose as the card will not be grounded correctly SLOT COM THRU 75Ω IN ON OFF W ORD CLOCK 8 8 SLOT COM...

Page 13: ...ted to a digital audio device with an AES EBU interface by using an MY8 AE I O card and a 25 pin D sub AES EBU con necting cable Basic ADAT Connection This example shows how the DA824 can be connected to a digital audio device with an ADAT interface by using a MY8 AT I O card and stan dard ADAT connecting cable Digital Audio Device DME32 02R D24 etc AES EBU cable SLOT MY8 AE AES EBU I O Analog out...

Page 14: ...k master with the AD824 receiving its wordclock via a BNC connection the DA824 via its slot input AD824 Analog input x8 DA824 Analog output x8 Digital Audio Device DME32 02R D24 etc Custom AES EBU splitter cable SLOT MY8 AE SLOT MY8 AE AES EBU I O BNC cable WC OUT WC IN ON OFF POWER DA CONVERTER LOCK PEAK SIGNAL NOMINAL PEAK SIGNAL NOMINAL 1 2 3 4 5 6 7 8 ON OFF POWER AD CONVERTER 1 2 3 4 5 6 7 8 ...

Page 15: ...ookup Examples In this example the DA824 sources the wordclock signal from the SLOT digital audio inputs In this example the DA824 sources the wordclock signal automatically from the WORD CLOCK IN connector Note When the wordclock source is changed the DA824 s analog outputs may produce noise especiallyifanMY8 ATI Ocardisinstalled soturndownyourpowerampsbefore hand Likewise whenchangingthewordcloc...

Page 16: ...on is applied at the last device only Daisy Chain Distribution In this example the wordclock signal is distributed in a daisy chain fashion with each device feeding the wordclock signal on to the next Termination is applied at the last device only This method of distribution is not recommended for larger systems Device A Termination ON Device B Device C Device D Termination ON Termination ON Termi...

Page 17: ... dBV is refer enced to 1 00 V rms 0 05 20 Hz 20 kHz 0 01 full scale output 1 kHz Hum Noise Level1 92 dBu typical Crosstalk 70 dB between adjacent channels 1 kHz Signal Delay 0 57 ms digital input to analog output fs 48 kHz Indicators PEAK 3 dB below full scale NOMINAL 14 dB below full scale SIGNAL 34 dB below full scale LOCK Wordclock lock POWER Power on off Power requirements U S A Canada 120 V A...

Page 18: ...ack balanced 3 2 XLR type connectors are electronically balanced pin 1 ground pin 2 hot pin 3 cold 3 TRS phone jacks are electronically balanced tip hot ring cold sleeve ground Where dB represents a specific voltage 0 dB is referenced to 0 775 V rms 0 dBV is refer enced to 1 00 V rms 18 dB 4 dB 1 23 V 18 dB 6 16 V 15 dB 1 dB 0 87 V 15 dB 4 36 V 4 dBV 10 dBV 0 316 V 4 dBV 1 58 V Connection Format L...

Page 19: ...external appearance subject to change without notice For European Model Purchaser User Information specified in EN55103 1 and EN55103 2 Inrush Current 10A Conformed Environment E1 E2 E3 and E4 67 5 67 5 345 430 13 88 H 97 5 30 30 48 33 274 355 D 366 8 W 480 Unit mm ...

Page 20: ...YAMAHA CORPORATION V554060 R2 1 IP 20 Pro Audio Digital Musical Instrument Division P O Box 3 Hamamatsu 430 8651 Japan 00 06 1000 AP Printed in Japan ...

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