Dangerous Music 2-Bus

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The Dangerous Music 2-Bus Manual

Thank you for choosing products from the exciting line of Dangerous Music

recording equipment. Many years of dependable and trouble-free

performance can be expected from our gear. This has been made possible by

careful design, construction, and top-shelf component choices by recording

industry veterans. This manual will assist the user with installation of the

2-Bus, as well as calibration of the system.

Contents

Introduction……………………………….. 1

Safety review……………………………... 2

Overview and Hook up…………………... 3

Front Panel and Use………………………. 4

Calibration………………………………... 5

Grounding and Interface …………………. 6

Balanced and Unbalanced connections....... 7

Grounding revisited………………………. 8

Connector Pin-Outs………………...…….. 10

Specifications…………………………….. 11

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Summary

Safety Review

Safety Precautions

Lists essential safety guidelines for operating electrical equipment, including grounding and heat.

Product Overview

Hook Up and Connections

Explains rear panel connections like INPUT, OUTPUT, REM/EXP, and DC IN for system integration.

Front Panel Operation

Front Panel Controls and Usage

Details gain switches, mono buttons, output level trim, and provides usage examples for mixing.

Calibration Procedures

Alignment Chart and Levels

Provides a chart showing voltage, VU, dBu, and dBfs levels for system alignment and mastering.

Grounding and Interface

Balanced Audio Connections

Explains the principles and wiring of balanced audio connections, including noise cancellation.

Unbalanced Audio Connections

Details unbalanced audio connections, potential issues, and the use of shield lift jumpers for noise reduction.

Grounding Revisited

Buzz and Ground Loop Troubleshooting

Provides hints and methods for diagnosing and resolving buzz and ground loop issues in audio systems.

Expansion and System Connectivity

Expansion Inputs and Connector Pin-Outs

Details the REM/EXP port pin-out for connecting multiple units and XLR connector pin assignments.

AC Mains Cable and Power Supply

Mains Cable and Voltage Selection

Covers AC mains cable connection, voltage selection, fuse types, and proper plug wiring.

Technical Specifications

Product Specifications and Contact Information

Lists frequency response, THD+N, impedance, power consumption, and company contact details.