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dbx 1046 User Manual

dbx 1046
16 pages
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MODEL 1046
Operation Manual
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dbx 1046 Specifications

General IconGeneral
TypeQuad Compressor/Limiter
Number of Channels4
Inputs4 x XLR, 4 x 1/4" TRS
Outputs4 x XLR, 4 x 1/4" TRS
Threshold-40 dBu to +20 dBu
Ratio1:1 to infinity:1
Maximum Input Level+22 dBu
Maximum Output Level+22 dBu
Power Requirements100-240 VAC, 50/60 Hz
Input Impedance10 kΩ
Frequency Response20 Hz to 20 kHz
Dimensions1.75" x 19"
Sidechain I/O4 x 1/4" TRS
Attack Time0.3 ms
Release Time50 ms to 2 s

Summary

Important Safety Information

General Safety Precautions

Covers warnings, electrical hazards, operating environment, and general usage guidelines.

Electrical Safety and Wiring

Details mains wiring, earthing, servicing, and power connection advice.

Electromagnetic Compatibility

UK Mains Plug Warning

Declaration of Conformity

Introduction

Product Overview

Congratulates the user and introduces the dbx 1046 Quad Compressor Limiter.

Package Inspection

Lists the items expected in the 1046 package and provides contact info for missing items.

Warranty Information

Details the terms, conditions, and limitations of the product warranty.

Connecting the 1046 to Your System

Mounting the Unit

Instructions for rack mounting and ambient temperature considerations.

Audio Connections

Explains how to make audio connections using XLR, 1/4" TRS, or 1/4" TS plugs.

Applying Power

Describes connecting the AC power cord and turning the unit on/off.

Operating Controls

OverEasy® Switch

Provides smooth transitions, reducing artifacts while maintaining natural characteristics.

Compressor Ratio Control

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

Input/Output Level Meter

Displays input and output levels based on the selected operating level switch.

Input/Output Meter Switch

Selects which signal (input or output) is metered.

Output Gain Control

Adjusts the output level to compensate for compression or set nominal output.

Bypass Switch

Bypasses the unit, directly connecting input to output without processing.

PeakStopPlus™ Level Control

Sets the output limit, employing a two-stage limiting process for protection.

PeakStopPlus™ Threshold LED

Illuminates when the output signal exceeds the PeakStopPlus™ level.

Rear Panel Operations

AC Power Receptacle

Connects the unit to AC power and houses the fuse drawer.

Audio Inputs

Electronically balanced inputs via XLR and 1/4" TRS connectors.

Applications

Fattening Kick Drums and Compressing Other Drums

Techniques for tightening drum sounds and emphasizing slap or reducing boom.

Raising a Signal Out of a Mix

Methods for increasing track presence in a mix using compression.

Smoothing out Microphone Levels

Using compression to even out signal variations from vocalists at different distances.

Smoothing out Musical Instrument Levels

Compressing instrument outputs to smooth loudness variations and increase sustain.

Speaker Protection

Using compression to prevent excessive levels from damaging system components.

Preventing Digital Recording Overload

Employing the 1046 to prevent overload of digital recorders' A/D converters.

Installation Considerations

Hookups and Cabling

Details connection types (balanced/unbalanced) and cable requirements for the 1046.

Normal Balanced Connections

Specifies pinouts for XLR and TRS connectors for balanced signals.

Normal Unbalanced Connections

Specifies pinouts for XLR and TRS/TS connectors for unbalanced signals.

Specifications

Input Specifications

Lists connectors, type, impedance, max input level, and CMRR.

Output Specifications

Lists connectors, type, impedance, and max output level.

System Performance

Details bandwidth, frequency response, noise, dynamic range, THD+Noise, IMD, crosstalk, VCA, and stereo coupling.

Compressor Specifications

Covers threshold range, ratio, attack/release characteristics, and output gain.

Limiter Specifications

Details threshold range, ratio, type, and attack/release times for the limiter.

Function Switches

Describes the function of OverEasy, I/O Meter, Bypass, Operating Level, and Stereo Couple switches.

Indicators

Explains the Gain Reduction, Input/Output Level, Limiter Threshold, and Function Switch indicators.

Power Supply Specifications

Lists operating voltage, power consumption, fuse type, and mains connection.

Physical Dimensions and Weight

Provides unit dimensions, weight, and shipping weight.

Available Options

Lists optional output transformers available per channel.

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