Roland AC-90 Acoustic Chorus User Manual

Owner’s Manual
Bedienungsanleitung
Guide d’utilisation
Manuale dell'utente
Manual del usuario
Manual do proprietário
Gebruikershandleiding
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Copyright © 2007 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without
the written permission of ROLAND CORPORATION.
Thank you, and congratulations on your choice of the Roland AC-90 Acoustic Chorus.
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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.
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)
AC-90_egfispd.book Page 1 Tuesday, May 15, 2007 2:37 PM

Roland AC-90 Acoustic Chorus Specifications

General

Type	Acoustic Guitar Amplifier
Rated Power Output	90 W (45 W + 45 W)
Channels	2
Effects	Chorus, Reverb
Nominal Input Level (at 1 kHz)	-10 dBu
Power Consumption	120 W
Inputs	XLR, 1/4" phone
Outputs	1/4" (6.35 mm) phone, XLR
EQ	3-band (bass, mid, treble)
Controls	Volume, EQ, Reverb, Chorus
Channel 1 Controls	Volume, Chorus, Reverb, EQ
Channel 2 Controls	Volume, Chorus, Reverb, EQ
Speakers	2 x 8-inch
Connectors	XLR, 1/4-inch

Summary

Important Safety Instructions

General Safety Precautions

Basic precautions to follow when using electric products.

Using the Unit Safely

Warnings, Symbols, and General Precautions

Explanation of symbols, notices, and essential rules for safe operation.

Safe Handling and Electrical Precautions

Guidelines for power cords, outlets, handling wet hands, and electrical storms.

Important Notes

Main Features

Dual Channels and Effects

Names of Things and What They Do

Control Panel Layout

Identifies and describes the function of each control on the AC-90's panel.

Input, Volume, and EQ Controls

Feedback, Mute, and Power Operations

Covers anti-feedback, mute, master volume, and power switch functions.

Rear Panel and External Connections

Details rear panel jacks, DI/Tuner out, and foot switch connections.

Using a Speaker Stand

Speaker Stand Specifications and Safety