dbx Pro 386 user manual Introduction, Defining

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Introduction

386

 

INTRODUCTION

Congratulations on your purchase of the dbx 386 Dual Vacuum Tube Preamp with digital out- put capabilities. For over 25 years, dbx has been the industry leader in dynamics processing. With the introduction of the 386, we offer the classic smooth and warmth qualities of tube microphone pre-amplification, combined with the state-of-the-art proprietary dbx Type IV™ conversion system to offer the best characteristics of both analog and digital recording capabil- ities.

This manual will be your guide to understanding the full functionality of the powerful 386. After you have become familiar with the unit, we encourage you to experiment and find creative ways that the 386 can help you optimize your specific application.

0.1 Defining the 386

The dbx 386 Dual Vacuum Tube Preamp provides the user with Dual Vacuum tube microphone preamp capabilities in the analog domain as well as giving you pristine digital output capabil- ities. Listed below, are some of features available to you in the 386:

Two channel tube microphone pre-amplifier

200V Tube Plate Voltage

Insert Jack

60 dB of microphone gain and +/- 15 dB of output gain

Selectable mic/line switch

48 volt phantom power

20 dB pad

75 Hz low cut filter

Phase reverse

12 segment LED analog/digital level meter

Type IV™ conversion system

Selectable 96 kHz, 88.2 kHz, 48 kHz, or 44.1 kHz sampling rate

24, 20, and 16 bit wordlengths

Selectable dither and noise shaping

AES/EBU and S/PDIF digital outputs

Word clock sync input and output

Separate analog and digital output control

With the dbx proprietary patent-pending TSE™ Tape Saturation Emulation and TYPE IV™ Conversion System, your signal retains its analog warmth and character, with the pristine clari- ty demanded by today’s digital standards. In addition, the 386 offers 96kHz A/D conversion, which results in improved frequency response.

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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 Analog Applications Basic Analog ConnectionConnection 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