Roland Acoustic Chorus AC-60 User Manual

Owner’s Manual
Thank you, and congratulations on your choice of the Roland AC-60 Acoustic Chorus.
These sections provide important information concerning the proper operation of the
unit. Additionally, in order to feel assured that you have gained a good grasp of every
feature provided by your new unit, Owner’s manual should be read in its entirety. The
manual should be saved and kept on hand as a convenient reference.
Contents
IMPORTANT SAFETY INSTRUCTIONS...........................................2
USING THE UNIT SAFELY............................................................3
IMPORTANT NOTES...................................................................5
Main Features...........................................................................6
Names of Things and What They Do .........................................7
Control Panel ..........................................................................7
Rear Panel
...........................................................................11
Example of Using Two Channels Combined.............................13
How to Use the Folding Stand.................................................14
Using a Speaker Stand ...........................................................15
Block Diagram........................................................................16
Specifications..........................................................................17
Before using this unit, carefully read the sections entitled:
• IMPORTANT SAFETY INSTRUCTIONS (page 2)
• USING THE UNIT SAFELY (page 3–4)
• IMPORTANT NOTES (page 5)
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without
the written permission of ROLAND CORPORATION.

Roland Acoustic Chorus AC-60 Specifications

General

Effects	Chorus, Reverb, Delay
Weight	9.8 kg (21 lbs 10 oz)
Power Output	60W (30W x 2)
Speakers	2 x 6.5 inches
Input Channels	2
Controls	Volume, Bass, Middle, Treble, Anti-Feedback
Connectors	Footswitch Jack
Phantom Power	Yes
EQ	3-band EQ
Dimensions	364 mm x 270 mm x 268 mm (14-3/8 inches x 10-11/16 inches x 10-9/16 inches)

Summary

Important Safety Instructions

Using the Unit Safely

Warning and Caution Notices

Explains the meaning of WARNING and CAUTION notices used throughout the manual.

Understanding Safety Symbols

Describes the meaning and purpose of safety symbols.

Important Notes

Power Supply and Placement Guidelines

Advice on power circuits, placement to avoid interference, and heat.

Maintenance and Additional Precautions

Covers cleaning, handling controls, cable connections, and general care.

Main Features Overview

Amplifier and Speaker System

Details about the compact stereo amp, speakers, and cabinet design.

Dual Input Channels (Guitar & Mic/Line)

Explains the guitar and mic/line channels, EQ, and phantom power.

Digital Effects and Anti-Feedback

Describes the built-in chorus, reverb, delay, and anti-feedback features.

Connectivity and Convenience Features

Covers AUX IN, multiple outputs, mute function, and placement features.

Control Panel and Input Jacks

Guitar Channel Controls

Guitar input, pickup selection, shape, and volume controls.

Mic/Line Channel Controls

Mic/line input, phantom power, volume, and EQ controls.

Effect and Feedback Controls

Controls for chorus, reverb, delay, and anti-feedback functions.

Volume, Tone, and Chorus Controls

Select, Volume, and EQ Knobs

How to use the select button and volume/EQ knobs for each channel.

Chorus Button and Knob

Operation of the chorus button and chorus effect adjustment knob.

Reverb, Delay, and Anti-Feedback Controls

Reverb/Delay Knob Function

Adjusting the amount of reverb and delay effects.

Anti-Feedback Frequency and Start Button

Setting the anti-feedback frequency and initiating auto-detection.

Mute, Master, Phones, and Power Controls

Mute Button and Master Volume Knob

Using the mute button and master volume knob.

Headphones Jack and Power Switch

Connecting headphones and operating the power switch.

Rear Panel Connectors

Line Out and Subwoofer Out Jacks

Connecting to external mixers, recorders, or subwoofers.

Auxiliary Input Jack Function

Connecting external audio sources like CD players or backing machines.

DI/Tuner Out and Foot Switch Jacks

DI/Tuner Out Jack Functionality

Using the jack for direct output or tuner connection.

Foot Switch Connection Guide

How to connect and use optional foot switches for various functions.

Two Channel Combination Examples

One Guitar with Dual Pickups

Blending piezo and magnetic pickups from a single guitar.

Guitar Pickup with Microphone

Combining a guitar pickup with a microphone for a fuller sound.

Connecting and Switching Two Guitars

Seamlessly switching between two guitars connected to separate channels.

Folding Stand Operation

Speaker Stand Mounting Guidelines

Block Diagram Overview

Technical Specifications

Performance Specifications

Details rated power output, input/output levels, and speaker specifications.

Controls and Connectivity Details

Lists all unit controls, connectors, and their types.

Physical and Accessory Information

Covers power supply, dimensions, weight, and included/optional accessories.

Service and Distributor Information