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dbx 386 User Manual

dbx 386
35 pages
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®
386
Dual Vacuum
Tube Preamp
w/Digital Out
User Manual
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dbx 386 Specifications

General IconGeneral
Output ConnectorsXLR, 1/4" TRS
Tube Type12AX7
Analog InputsXLR
Phantom Power48V
Gain60dB
Power SupplyExternal

Summary

Safety and Compliance

General Safety Warnings

Covers electrical shock, fire risk, proper ventilation, and environmental precautions.

Power Cord and Grounding

Explains proper wiring, earthing, and color coding for power cords.

Lithium Battery Precautions

Warns about explosion risk and provides guidance on replacing lithium batteries.

UK Mains Plug Warning

Details safety advice for UK mains plugs, including fuse replacement.

Declaration of Conformity

States compliance with EMC and Low Voltage directives.

Electromagnetic Compatibility

Outlines conditions for device operation regarding interference.

Introduction

Product Overview and Key Features

Defines the dbx 386 Dual Vacuum Tube Preamp and lists its main features.

Service and Warranty Information

Provides contact details for support and explains the product warranty terms.

Installation Recommendations

Offers guidance on rack mounting, ventilation, and ambient temperature for the unit.

Section 1: Getting Started

Rear Panel Connections

Details all input and output connectors located on the rear of the unit.

Front Panel Controls Overview

Explains the function of each control knob and switch on the front panel.

Type IV™ Conversion System Controls

Describes controls for dither, shape, sample rate, word length, and output format.

Section 2: Analog Applications

Basic Analog Connection

Guides users on making initial audio connections for the device.

Connecting to a Mixing Console

Provides instructions for integrating the 386 with a mixing console.

Direct Connection to a Recorder

Explains how to connect the unit directly to an audio recorder.

Section 3: Digital Applications

Digital Output Front Panel Functions

Details the front panel controls related to digital output settings.

Digital Output Rear Panel Connections

Describes the rear panel connectors for digital audio outputs.

Sync Input and Sample Rate Selection

Explains BNC sync connectors and how to select sample rates.

Direct Connection to a DAW (CPU)

Guides on connecting the 386 to a Digital Audio Workstation for recording.

Direct Connection to a Digital Mixer

Details how to interface the 386 with a digital mixing console.

A/D Conversion

Explains the Analog-to-Digital conversion process used by the unit.

Multi-Tracking to Digital

Covers routing multiple audio tracks to a digital system.

Analog and Digital Output Application

Discusses utilizing both analog and digital outputs simultaneously.

Appendix

Sync Input Information

Provides detailed information on sync input termination settings.

Block Diagram

Presents a visual block diagram of the unit's internal signal flow.

Type IV™ Conversion System White Paper

Explains the proprietary dbx Type IV™ Conversion System technology.

Noise Shaping and Truncation

Details noise-shaping algorithms and truncation effects in digital conversion.

Specifications

Lists the technical specifications of the dbx 386 unit.

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