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dbx Pro 386 user manual Diagram Appendix B, Block Diagram, User Manual

Models: 386

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386

Microphone	+48V	Low	20dB Pad Phase Invert
Input

Rear Panel

Line Input

Front Panel

Instrument Input

Insert

Analog Outputs

Analog

Output

Level

Bargraph Meter

Analog

Digital

Output

		Peak LED
	Line/Mic	12AU7
	Line/Mic	Tube
		Tube
		Low Cut
		Drive

Word - In

dbx

Pulsar Chip

Word - Out

Dither Shape

Block

Level

386 User Manual 19

Digital

dbx TYPE IV Conversion System

DSP

Sample Word Output Rate Length Format

AES/EBU

Output

S/PDIF

Output

Block Diagram

Diagram Appendix B

Page 27

Image 27

dbx Pro 386 user manual Diagram Appendix B, Block Diagram, User Manual

Contents

User Manual Tube PreampDual Vacuum w/Digital OutCLEAN ONLY WITH A DAMP CLOTH IMPORTANT SAFETY INSTRUCTIONSSAFETY INSTRUCTIONS WIRE COLORADVARSEL LITHIUM BATTERYELECTROMAGNETIC COMPATIBILITY U.K. MAINS PLUG WARNINGSection 1 - Getting Started Table of ContentsTable of Contents 386 User Manual IntroductionCUSTOMER SERVICE INFO 386 DEFINEDINTRODUCTION WARRANTY INFO75 Hz low cut filter Phase reverse Introduction0.1 Defining the Selectable mic/line switch 48 volt phantom power 20 dB padIntroduction 0.2 Service Contact Info0.3 Warranty If you require technical support, contact dbx Customer Service. Be prepared to accurately describe the problem. Know the serial number of your unit - this is printed on a sticker attached to the rear panel. If you have not already taken the time to fill out your warranty registration card and send it in, please do so now0.4 Installation Recommendations Install the 386 in your rack with the provided rack screws. It is essential that when the 386 is being mounted in a rack mounting enclosure, the unit should be positioned with enough room at least one centimeter at the top and one centimeter at the bottom of the unit to allow prop- er ventilation. The 386 should not be mounted above or below anything that generates exces- sive heat. Ambient temperatures should not exceed 1130F 450C when equipment is in use. Although the unit is shielded against radio frequency and electromagnetic interference, extreme- ly high fields of RF and EMI should be avoided where possibleIntroduction Getting Started SectionGetting StartedS/PDIF Digital Connector Power SwitchIEC Power Cord Receptacle AES/EBU Digital ConnectorPhase Switch Line Select Switch+48 Volt Switch 20db Pad SwitchSample Rate Switch Meter Select SwitchDither Switch Shape SwitchSection APPLICATIONSANALOG APPLICATIONS ANALOGSection Analog Applications2.1 Basic Analog Connection of the 2.2 Connection to a Mixing Console1. Make microphone connections, being careful to keep the DRIVE control in the minimum +30 dB position 2.3 Direct Connection to a RecorderSection Analog ApplicationsPage APPLICATIONS DIGITAL APPLICATIONSDIGITAL SectionShape Switch Digital Applications 3.1 Digital Output Front Functions of the3.2 Digital Output Rear Panel Connections Dither SwitchS/PDIF Digital Connector Digital Applications3.3 Sync Input Sample Rate Selection AES/EBU Digital ConnectorSection Front Panel Digital Output Features3.4 Direct Connection to a DAW CPU Rear Panel ConnectionsDigital Applications SectionDirect Connection to a Digital Mixer Front Panel Digital Output FeaturesRear Panel Connections Digital Applications 3.6 A/D ConversionFront Panel Digital Output Features SectionDigital Applications Multi-Tracking to DigitalFront Panel Digital Output Features SectionRear Panel Connections Digital Applications 3.8 Analog and Digital Output ApplicationFront Panel Digital Output Features SectionAPPENDIX APPENDIXSpecifications Sync Input Info Block Diagram386 User Manual Appendix ASync Input Info Sync Input Info386 User Manual Diagram Appendix BBlock Diagram Blockby Roger Johnson Appendix Cdbx Type IV Conversion System White Paper Type IV White PaperAppendix C Type IV White Paper386 User Manual Appendix C Type IV White Paper386 User Manual Type IV White Paper Figure 3a - Signal Having Low and High Frequency ContentFigure 3b - Signal of Fig. 3a Going Beyond the A/D Clip Level Appendix CType IV White Paper High-Frequency Information Completely Lost High-Frequency ContentA/D Clip Level Low-Frequency Content Appendix CD.1 Noise-Shaping Algorithms Appendix DAppendix D.2 TruncationD.3 Specifications Appendix DAppendix 8760 South Sandy Pkwy Sandy, Utah Phone 801 Fax 801 Int’l Fax 603 Questions or comments? Email us at customer@dbxpro.comor visit our World Wide Web home page at A Harman International Company