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dbx 566 User Manual

dbx 566
16 pages
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Dual
Vacuum Tube
Compressor
Owner’s Manual
Version 1.0

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dbx 566 Specifications

General IconGeneral
Branddbx
Model566
CategoryMusic Equipment
LanguageEnglish

Summary

General Safety and Precautions

Electrical Safety Warnings

Highlights risks of shock, fire, and water exposure with specific symbols explained.

User Servicing Restrictions

States that the unit contains no user-serviceable parts and all servicing must be done by qualified personnel.

Power Source and Grounding

Details power source requirements, grounding, polarization, and voltage compatibility for safe operation.

Electromagnetic Compatibility (EMC)

Explains the unit's compliance with EMC regulations and guidelines for operating near electromagnetic fields.

Declaration of Conformity

Provides manufacturer details, product declaration, and lists relevant safety and EMC standards.

Introduction to the dbx 566

Key Features of the dbx 566

Package Contents and Inspection

dbx 566 Warranty Information

Connecting the dbx 566

Compressor Controls Overview

Threshold LED Indicators

Explains the function of the '+', '0', and '-' LEDs related to signal level and compression.

Threshold Control

Sets the signal level above which compression becomes active, with a 60 dB range.

OverEasy Switch

Enables a smoother, softer compression transition compared to hard knee processing.

Advanced Compression Parameters

Ratio Control Function

Sets the compression ratio between input and output levels for signals above the threshold.

Attack Control Configuration

Determines the time it takes for the unit to start compressing after the signal exceeds the threshold.

Auto Switch for Dynamics

Enables program-dependent attack and release times, mimicking classic dbx sound.

Release Control Operation

Sets how quickly the compression circuit returns the signal to its original level.

Additional Controls and Limiter

Instrument Input Selection

Selects the 1/4" instrument input as the source for the compressor.

Drive Control for Tube Stage

Adjusts the gain applied at the vacuum tube stage, providing tube drive control.

Sidechain Processing Control

Enables and monitors the sidechain processing loop for external detector signal manipulation.

Contour and Bypass Functions

Contour adds low-frequency de-emphasis; Bypass bypasses the compression section.

Level and PeakPlus Limiter Threshold

Controls output gain compensation and sets the threshold for the PeakPlus Limiter.

Metering, Linking, and Optional Modules

PeakPlus Limiter Functionality

Describes the PeakPlus Limiter's role in protecting gear and preventing digital overload.

Switchable Metering Modes

Configures the meter to display Drive Level, Gain Reduction, or Output Level.

Stereo Linking Operation

Links two independent compressors into a stereo compressor for preserved stereo imaging.

Optional Module Switches

Controls for Dither and Shape functions related to optional TYPE IV™ modules.

Rear Panel Connectivity

Line Input and Output Ports

Details XLR and TRS connections for line-level devices, including selectable input/output levels.

Instrument Input

Describes the high impedance, unbalanced instrument input for guitars and similar devices.

Sidechain Send and Return

Explains the purpose and connection of the sidechain loop for external signal processing.

Technical Specifications - Compressor & Limiter

Technical Specifications - System & Physical

Settings Page for Session Recording

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