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AMS RMX 16 User Manual

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RMX 16 : Digital Reverberation System
User Manual
Issue 2
© 1980 - 2017 AMS Neve Ltd own the copyright of all
information and drawings contained in this manual which are
not to be copied or reproduced by any means or disclosed in
part or whole to any third party without written permission.
As part of our policy of continual product improvement, we
reserve the right to alter specifications without notice but with
due regard to all current legislation.
Disclaimer: The information in this manual has been carefully
checked and is believed to be accurate at the time of publication.
However, no responsibility is taken by us for inaccuracies, errors
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resulting either directly or indirectly from use of the information
contained within it.
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AMS RMX 16 Specifications

General IconGeneral
BrandAMS
ModelRMX 16
CategoryRecording Equipment
LanguageEnglish

Summary

Introduction to RMX 16

RMX 16 Hardware Overview

Understanding Reverberation Principles

Understanding Reverberation

Explains reverberation as an acoustic phenomenon that accompanies sounds and provides spatial information.

Fundamentals of Reverberation

Describes how sound waves and early reflections contribute to perceived spatial information and room characteristics.

Stereo Perception in Acoustics

Explains that sound is perceived in 3D space and even mono sources create a stereo image via different reflection patterns.

Operating the RMX 16

Operation Guide

Introduces the user to the front panel controls of the RMX 16 system.

Input and Output Level Monitoring

Details front panel LEDs and controls for setting input/output levels for optimal signal-to-noise.

Potentiometer Control Usage

Explains how pressing a parameter key assigns control to the rotary knob above it.

Program Selection Methods

Describes selecting programs using the keypad or nudge keys.

Pre-Delay Parameter Entry

Explains how to set the pre-delay parameter to adjust the onset of reverberation.

Decay Time Parameter Entry

Details methods for adjusting decay time using keypad, nudge keys, or pot control.

Decay Filter Control

Explains decay filter controls depend on the selected program.

Dry/Wet Mix Control

Explains the Dry/Wet control for balancing the reverb processor and source signal.

Selecting and Using RMX 16 Programs

Guides users on selecting the most suitable basic program by listening to presets with their material.

Advanced Decay Filtering Explanation

Details how decay filter controls affect reverberation time based on frequency character.

Pre-Delay Functionality

Explains how pre-delay offsets the output relative to the input and its use in mixing.

Decay Time Functionality

Explains that decay time increases reverberant period length and can be varied with 'pot' control.

Keyboard Text Entry for Parameters

Describes using the keyboard to modify displayed parameters by typing a new value.

RMX 16 Specifications

Electrical Specifications

Lists technical specifications like distortion, dynamic range, frequency response, and S/N ratio.

Nudge Control Functionality

Details how nudge keys function for program selection, pre-delay, decay time, and filter settings.

Keypad Control Methods

Describes keypad entry methods for program selection, pre-delay, decay time, and filter settings.

Display Character Composition

Describes the composition of the unit's digital display characters.

Appendix B: Program Details

Program Index

Lists all available programs with their titles and associated numbers for quick reference.

Additional Programs in Expanded Plugin

Lists additional programs available in the expanded plugin version of the RMX16.

Program 1 AMBIENCE Details

A versatile general-purpose program suitable for increasing reverberation time or producing unobtrusive reverb.

Program 2 ROOM A1 Details

Designed to replicate a 'live' room with attendant colourations, suitable for all material.

Program 3 HALL C1 Details

Features strong initial reflections defining hall size, useful for vocals or 'topping up' material.

Program 4 PLATE A1 Details

Offers high diffusion similar to plate reverberators, smoothing percussive sounds with medium coloration.

Program 5 HALL B3 Details

Similar to Hall C1 but with lower energy initial reflections, pre-delay up to 200ms selectable.

Program 6 CHORUS Details

A five-voice program for filling out vocals and instruments, with panned voices and randomized delays.

Program 7 ECHO Details

Provides two independent, programmable outputs for delay effects, with adjustable decay and feedback.

Program 8 NONLIN 2 Details

An unusual program for special effects or loudness enhancement with rapid decay after an initial period.

Program 9 REVERSE 1 Details

A special effects program with dispersed reflections on the left and discrete reflections on the right output.

Program 10 REVERSE 2 Details

Special effects program with two outputs of different character, one diffused, one with discrete reflections.

Program 11 FREEZE Details

Allows selection of infinite decay, accepting and freezing incoming audio or muting input.

Program 12 ROOM A0 Details

The original version of ROOM A1, modified to restrain the upper end of the response.

Program 13 ROOM B1 Details

Features constant diffusion density, suitable for short decay times or drama dubbing with HF damping.

Program 14 HALL A1 Details

Similar to ROOMAO, used on vocals, replaced for smoother decay but retained for user preference.

Program 15 PLATE B1 Details

High diffusion program similar to plate reverberators, with medium coloration and even decay.

Program 16 DELAY Details

Provides high-quality delays up to 810ms, with decay time acting as feedback control.

Program 17 IMAGE P1 Details

An IMAGE program where reverberation pans between stereo outputs, creating startling spatial effects.

Program 18 NONLIN 1 Details

Special effects program where sound doesn't decay initially, then rapidly dies away, usable for loudness enhancement.

Appendix C: Frequency Decay Characteristics

High and Low Frequency Decay Characteristics

Explains how high and low frequency profiles modify the final reverberant phase and early reflections.

Nominal High Frequency Decay Settings

Provides a table of settings for high frequency decay control and their corresponding half decay time frequencies.

Low Frequency Decay Control Explanation

Explains how the low frequency filter affects decay time at 350Hz, varying from quarter to four times the indicated time.

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