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AES/EBU Digital Connector
The 376 provides AES/EBU digital output formatting through the XLR connector. Be sure to use
short lengths of 110 Ω digital cables rather than standard XLR to XLR cables. Using the correct
cables will prevent digital dropouts and other interconnection problems.
S/PDIF Digital Connector
The 376 provides S/PDIF digital output formatting through the RCA coaxial connector. Be sure
to use short lengths of 75 Ω digital cables or 75 Ω video cables rather than standard audio RCA
to RCA cables. Using the correct cables will prevent digital dropouts and other interconnection
problems.
NOTE: Although digital information is coming out of both XLR and RCA jacks simultaneously, the correct format will
only appear at the output for the format type selected. For example, if you have AES/EBU format selected, an AES/EBU
formatted signal will appear at the output of both the XLR and the RCA connector. Or, if you have S/PDIF format select-
ed, an S/PDIF formatted signal will appear at the output of both the RCA and XLR connectors.
Sync In and Out Connectors
BNC connectors are provided for both word clock in and out functions. The 376’s clock chips are
dbx custom VCXO chips, designed for low-jitter performance. You may use the 376 as a master
clock source, having other equipment slave to the 376, or you may slave the 376’s clock to any
other word clock source.
When connecting an incoming or master device to the sync input of the 376, the 376 will auto-
matically lock to the sample rate of the master device. The sample rate will then be indicated in
the SAMPLE RATE select button.
Note that when the master device is disconnected from the Sync Input connection, the SAMPLE
RATE select button will flash until an internal sample rate is selected.
3.3 Sync Input Sample Rate Selection
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Digital Applications
Section 3
376
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376 User Manual