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Gallien-Krueger 2000RB User Manual

Gallien-Krueger 2000RB
12 pages
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Operating
Instructions
2000RB
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Gallien-Krueger 2000RB Specifications

General IconGeneral
Power Output200 Watts
Channels2
EQ4-Band EQ
Effects LoopYes
TypeBass Amplifier
PreampSolid State
Power AmpSolid State
Voicing FiltersContour
Inputs1 x 1/4" Instrument Input
Outputs1 x XLR Output
Dimensions48.3 cm x 8.9 cm x 21.6 cm

Summary

Introduction and 2000RB Features

2000RB Key Features Overview

Details power output (500W/ch, 1000W bridged), high current capacity, low noise, and dual power supplies.

Operating Modes and Reliability Features

Covers the three operating modes (Bridge, Biamp, Stereo), fault detection, and fan cooling.

Tone Shaping and Connectivity Options

Lists tuner output, voicing filters, EQ, boost stages, effects loop, balanced output, crossover, and Speakon connectors.

Front Panel Controls and Indicators

Input and Signal Level Management

Details the input jack, -10dB Pad, CLIP indicator, TUNING MUTE, and VOLUME control.

Tone Shaping Controls

Explains the use of BOTTOM, CONTOUR, PRESENCE voicing filters and Active EQ controls.

Boost, Level, and Master Controls

Covers BOOST 1, BOOST 2, LEVEL, AUX LEVEL, and master volume controls.

Status Indicators and Power Switch

Describes CLIP, PROTECT, POWER LEDs, and the main POWER SWITCH.

Rear Panel Connections and Outputs

Footswitch, Aux Input, and Signal Outputs

Details the RF2 Footswitch jack, Stereo Aux In, HI-OUT, and LOW-OUT signal outputs.

Crossover and Effects Loop

Explains the crossover switch, frequency control, and series effects loop (RETURN/SEND).

Balanced Output and Tuning

Covers PRE/POST selection, BAL. LEVEL, GND LIFT, Bal. Out, and TUNER OUT.

Speaker Outputs

Details the SPEAKON™™ CONNECTORS for connecting speaker cabinets.

Operating Modes and Speaker Hookup

Output Power Configurations

Table detailing 2000RB output power by speaker impedance and operating mode.

Bridge Mode Setup and Cabling

Instructions for configuring and connecting speakers for Bridge Mode operation.

Stereo Mode Operation Guide

Instructions for connecting speakers and using the amplifier in Stereo Mode.

Biamp Mode Operation Guide

Instructions for connecting speakers and using the amplifier in Biamp Mode.

Getting Your Sound: Setup and Adjustment

Initial Setup and Power-On Procedure

Guide to connecting the bass, setting initial controls, and powering up the amplifier.

Input Signal and Clipping Prevention

Adjusting bass output and using the -10dB PAD to avoid input clipping.

Volume, Noise, and Tone Shaping

Optimizing volume for low noise and adjusting voicing filters for desired tone.

EQ, Boost, and Master Volume Settings

Using Active EQ, BOOST controls, and MASTER for final tone and loudness.

Using Effects with the 2000RB

In-Line Effects Connection

Connecting effect pedals directly to the amplifier's input jack.

Series Effects Loop Configuration

Utilizing the amplifier's dedicated series effects loop for effects.

Parallel Effects Loop Setup

Configuring parallel effects loops for blending effects with the main signal.

Mode-Specific Parallel Effects

Instructions for parallel effects in Bridge, Stereo, and Biamp modes.

Measured Specifications

Preamp, Power Amp, and EQ Specs

Detailed technical specifications for preamp, power amp, and active EQ sections.

Filters, Impedances, and Dimensions

Specs for voicing filters, impedances, footswitch, and physical dimensions.

Cooling, Protection, and Power Requirements

Information on cooling, protection features, power supply, and consumption.

Troubleshooting Common Issues

Power, Fault, and Sound Output Problems

Diagnosing issues with unit lights, fault LEDs, and lack of sound output.

Noise, Distortion, and Volume Issues

Resolving problems with hum, noise, distortion, and low loudness.

Footswitch and Boost Functionality

Troubleshooting issues with tuning mute, boost functions, or footswitch operation.

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