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SWR Mo' Bass User Manual

SWR Mo' Bass
47 pages
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MO’ BASS
OWNER
S MANUAL
SWR • SCOTTSDALE, AZ • USA

Table of Contents

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SWR Mo' Bass Specifications

General IconGeneral
BrandSWR
ModelMo' Bass
CategoryAmplifier
LanguageEnglish

Summary

Important Safety Instructions

Introduction to the SWR Mo' Bass

Specifications

Front Panel Features and Controls

Input Jacks

Describes the dual input jacks and their compatibility with passive and active instruments.

Pre-Amp Volume and Clipping Indicator

Explains the Pre-Amp Volume control and its associated clipping indicator LED.

Limiter/Leveler Circuit

Details the Limiter/Leveler circuit and its control, including its tube-based operation.

Aural Enhancer Tone Shaping

Describes the Aural Enhancer circuit designed to shape bass guitar frequencies.

Treble Tone Control

Explains the shelving-type tone control for boosting or cutting high frequencies.

Midrange Level and Frequency Adjustment

Details controls for selecting and adjusting midrange frequencies for tone shaping.

Bass Tone Control

Describes the shelving-type tone control for boosting or cutting low frequencies.

Tube Overdrive Effect

Introduces the tube overdrive effect and its "Drive" control for distortion.

SubWave Sub-Octave Effect

Explains the sub-octave wave engine and its tone and mix controls.

Bassynth Synthesizer Effect

Describes the analog synthesizer effect and its filter, resonance, and envelope controls.

Mo' EQ Post-Effects EQ

Details the post-effects EQ section with band-pass filter controls for treble, midrange, and bass.

Chorus Effect

Explains the warm, analog chorus effect, including depth and rate controls.

Getting Started and Initial Setup

Connecting Your Speaker Cabinets

Guide to connecting speaker cabinets in stereo or bridged/mono modes.

Using One Speaker Cabinet

Instructions for connecting a single speaker cabinet in mono mode.

Using Two Speaker Cabinets in Stereo Mode

How to connect two cabinets for stereo operation.

Using Two Speaker Cabinets in Bridge/Mono Mode

Connecting two cabinets for bridged/mono operation with daisy-chaining.

Initial Operation Procedures

Turning On The Unit

Step-by-step guide to powering on the amplifier safely.

Getting Sound Out Of The Mo' Bass

Instructions for connecting an instrument and achieving initial sound output.

Advanced Operation Modes

Dual Mode Operation Explained

Explains the dual-channel mode for processing clean and wet signals independently.

Internal Effects Bypass

How to bypass all internal effects using a switch or footswitch.

External Effects Blend Controls

How to blend external effects into the signal path.

Stereo Master Volume Controls

Controls for adjusting individual power amplifier volumes and balancing channels.

Stereo Headphones Jack

Describes the headphone jack for private listening and its volume control.

Rear Panel Connections and Interface

Interface Panel Overview

Overview of the rear panel's output jacks and switches for interfacing with other gear.

Unbalanced Output Jacks

Details the Tuner Out and Direct Out jacks for signal routing.

Balanced Output Jacks

Explains the Direct Out and Mo' Bass Out balanced XLR jacks.

Ground/Lift Switch Functionality

Describes the switch to manage ground loops for XLR outputs.

3-Position Pad Switches

Explains the switches to pad the signal level for balanced outputs.

Dual Mode Interface Panel Impact

How engaging Dual Mode impacts the rear panel's output functions.

External Effects Loop Interface Impact

How external effects loops interact with the rear panel interface section.

Stereo External Signal Routing

How to send stereo signals processed externally through the Mo' Bass.

Interface Section Summary

Summarizes the patching possibilities and encourages experimentation with the interface section.

Stereo Effects Loop Operation

Details the TRUE STEREO external effects loop for advanced routing.

Dual Mode Effects Send Behavior

Explains how Dual Mode affects the signal at the effects send jacks.

Effects Return Jacks as Power Amp Inputs

How to use the effects return jacks as inputs for external power amps.

Internal Effects Bypass Jack

Describes the jack for connecting an internal effects bypass footswitch.

Filter Sweep Pedal Jack

Jack for connecting an expression pedal to control the Bassynth filter.

Mo' Control Footswitch and MIDI Out

Details the footswitch for effect switching, presets, and MIDI output functionality.

Speaker Output and Power Amp Configuration

Power Amp Mode Selection

How to select stereo or bridged/mono operation using the power amp switch.

Speaker Cabinet Setup Considerations

Factors influencing the choice between stereo and mono operation.

Understanding Impedance and Power Ratings

Explanation of impedance and its effect on amplifier power delivery.

Minimum Impedance Ratings

Specifies the minimum load impedance for stereo and bridged/mono modes.

Power Ratings and Cabinet Compatibility

Details power output capabilities at different impedances and cabinet matching.

Speaker Cable and Connection Types

Guidance on using Speakon and 1/4" speaker cables and connections.

Speaker and Line Fuses

Explains the purpose and rating of speaker and line fuses for protection.

Internal Components and Mounting

Internal Features: Vacuum Tube and Cooling Fan

Information on the preamp tube and the cooling fan system.

Rack Mounting Instructions

Guidance on safely installing the amplifier in a rack case.

Operational Notes and Setup Guides

Understanding Amplifier Heat

Explains why the amplifier may get warm during operation and potential issues.

Mode Diagrams and Suggested Settings

Refers to visual connection guides and recommended sound settings.

Frequently Asked Questions

General Operation and Troubleshooting FAQs

Answers common questions about clean/wet balance, EQ, and mode differences.

Effect Interaction and Signal Routing FAQs

Addresses questions on heavy distortion, output selection, and MIDI functionality.

Effect Control and Dual Mode Behavior FAQs

Explains resonance control, footswitch memory, and level loss in Dual Mode.

Signal Path Diagram Explanation

Visual representation of how signals flow through the Mo' Bass effects and outputs.

Limited Warranty and Service Information

Warranty Terms and Conditions

Details the two-year warranty, exclusions, and voiding conditions.

Service and Repair Procedure

Outlines the steps for obtaining warranty service or repairs.

Mo' Control Footswitch Operation

Understanding Mo' Control Features

Explains the footswitch's capabilities for effect switching, presets, and expression pedal use.

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