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386 user manual Tube Preamp, Dual Vacuum, w/Digital Out, User Manual
Models:
386
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35 pages
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Specs
Install
Block Diagram
Warranty
Wire Color
Hz low cut filter Phase reverse
Lithium Battery
Power Switch
Service Contact Info
AES/EBU Digital Connector
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®
386
Dual Vacuum
Tube Preamp
w/Digital Out
User Manual
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Page 1
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Contents
Dual Vacuum
Tube Preamp
w/Digital Out
User Manual
SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
WIRE COLOR
CLEAN ONLY WITH A DAMP CLOTH
ELECTROMAGNETIC COMPATIBILITY
LITHIUM BATTERY
U.K. MAINS PLUG WARNING
ADVARSEL
Table of Contents 386 User Manual
Table of Contents
Introduction
Section 1 - Getting Started
INTRODUCTION
386 DEFINED
WARRANTY INFO
CUSTOMER SERVICE INFO
0.1 Defining the
Introduction
Selectable mic/line switch 48 volt phantom power 20 dB pad
75 Hz low cut filter Phase reverse
0.3 Warranty
0.2 Service Contact Info
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 now
Introduction
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 possible
0.4 Installation Recommendations
Introduction
386 User Manual
Getting
Section
Started
Getting Started
IEC Power Cord Receptacle
Power Switch
AES/EBU Digital Connector
S/PDIF Digital Connector
+48 Volt Switch
Line Select Switch
20db Pad Switch
Phase Switch
Dither Switch
Meter Select Switch
Shape Switch
Sample Rate Switch
ANALOG APPLICATIONS
APPLICATIONS
ANALOG
Section
2.1 Basic Analog Connection of the
Analog Applications
2.2 Connection to a Mixing Console
Section
Section
2.3 Direct Connection to a Recorder
Analog Applications
1. Make microphone connections, being careful to keep the DRIVE control in the minimum +30 dB position
Page
DIGITAL
DIGITAL APPLICATIONS
Section
APPLICATIONS
3.2 Digital Output Rear Panel Connections
Digital Applications 3.1 Digital Output Front Functions of the
Dither Switch
Shape Switch
3.3 Sync Input Sample Rate Selection
Digital Applications
AES/EBU Digital Connector
S/PDIF Digital Connector
3.4 Direct Connection to a DAW CPU
Front Panel Digital Output Features
Rear Panel Connections
Section
Direct Connection to a Digital Mixer
Section
Front Panel Digital Output Features
Digital Applications
Front Panel Digital Output Features
Digital Applications 3.6 A/D Conversion
Section
Rear Panel Connections
Front Panel Digital Output Features
Multi-Tracking to Digital
Section
Digital Applications
Front Panel Digital Output Features
Digital Applications 3.8 Analog and Digital Output Application
Section
Rear Panel Connections
Specifications
APPENDIX
Sync Input Info Block Diagram
APPENDIX
Sync Input Info
Appendix A
Sync Input Info
386 User Manual
Block Diagram
Diagram Appendix B
Block
386 User Manual
dbx Type IV Conversion System White Paper
Appendix C
Type IV White Paper
by Roger Johnson
Type IV White Paper
Appendix C
386 User Manual
Type IV White Paper
Appendix C
386 User Manual
Figure 3b - Signal of Fig. 3a Going Beyond the A/D Clip Level
Figure 3a - Signal Having Low and High Frequency Content
Appendix C
Type IV White Paper
A/D Clip Level Low-Frequency Content
High-Frequency Information Completely Lost High-Frequency Content
Appendix C
Type IV White Paper
Appendix
Appendix D
D.2 Truncation
D.1 Noise-Shaping Algorithms
Appendix D
D.3 Specifications
Appendix
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