dbx Pro 386 user manual Getting Started Rear Panel Connections, IEC Power Cord Receptacle

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Section 1

386

Getting Started

1.1 Rear Panel Connections

Power Switch

Turns the 386 on and off.

IEC Power Cord Receptacle

This is the power cord receptacle of the 386. An IEC cord is included with the shipped prod- uct.

AES/EBU Digital Connector

The 386 provides AES/EBU digital output formating through the XLR connector. Be sure to use short lengths of 110Ω 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 386 provides S/PDIF digital output formating through the RCA coaxial connector. Be sure to use short lengths of 75Ω digital cables or 75Ω 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 selected, 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 clock in and out functions. The 386’s clock chips are dbx custom VCXO chips, designed for low-jitter performance. You may use the 386 as a master clock source, having other equipment slave to the 386, or you may slave the 386’s clock to any other wordclock source device.

Analog Input Connectors

The analog input section of the 386 offers both XLR (Microphone) and a rear 1/4" TRS (Line) electronically balanced connections. The 1/4” connector may be used in a balanced or unbal- anced configuration. Using a 1/4” TS connector will unbalance the signal.

Analog Output Connectors

The analog output section of the 386 offers both XLR and 1/4" TRS electronically balanced con- nections. The 1/4” connector may be used in a balanced or unbalanced configuration. Using a 1/4” TS connector will unbalance the signal.

Insert Jack

The 1/4” TRS Insert jack (Tip=SEND and Ring=RETURN), will allow you to add an effects loop directly into the signal path of the 386. This insertion point is located after the tube section and prior to the output section. This insertion positioning is ideal for adding external effects such as a compressor or an EQ to the analog and digital output sections.

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386 User Manual

 

 

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Contents 386 Important Safety Instructions Declaration Conformity Table of Contents 386Intro Introduction DefiningIntroduction Service Contact Info WarrantyInstallation Recommendations Getting IEC Power Cord Receptacle Getting Started Rear Panel ConnectionsGetting Started Front Panel ControlsMeter Select Switch Front Panel Type IV conversion system controlsAnalog Basic Analog Connection Analog ApplicationsConnection to a Mixing Console Direct Connection to a Recorder Page Digital Digital Applications Digital Output Front Functions Digital Output Rear Panel ConnectionsDigital Applications Sync Input Sample Rate SelectionDirect Connection to a DAW CPU Rear Panel ConnectionsSection Direct Connection to a Digital MixerDigital Applications A/D Conversion Multi-Tracking to Digital Digital Applications Analog and Digital Output Application Appendix Sync Input Info Fig. A.1Block Diagram BlockBy Roger Johnson Type IV White PaperAppendix C Appendix C Appendix C Appendix C Appendix TruncationAppendix D Harman International Company
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