Roland Stereo Amplifier JC 120 User Guide

Owner’s Manual  
Thank you for purchasing the Roland JC-120 JAZZ CHORUS Guitar Amplifier. To  
take full advantage of this amplifier, and to ensure years of trouble-free service,  
please read this Owner’s Manual in its entirety.  
Features  
• 120 watts of output power; 2 channels of 60 watts each. Channel 2 is equipped  
with Roland’s renowned chorus effect.  
• Two input jacks (high-gain and low-gain) accommodate virtually any guitar.  
• Both channels contain a Bright switch for greater tonal control.  
• A three-spring reverb unit produces a warm, distinctive sound.  
• The reinforced cabinet is designed to withstand the rigors of the road while  
providing characteristic styling.  
• Chorus/Vibrato, Reverb and Distortion can all be controlled by foot switches  
leaving your hands free for playing.  
• Channel 2 contains an effects loop circuit that allows you to select either a series or  
parallel connection. Further, it provides selection of a +4 dBm or -20 dBm input  
level to match the level of your effects device.  
Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY  
INSTRUCTIONS” (p. 2), “USING THE UNIT SAFELY” (p. 3), and “IMPORTANT  
NOTES” (p. 4). 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, this manual should be read in  
its entirety. The manual should be saved and kept on hand as a convenient reference.  
Copyright © 1996 ROLAND CORPORATION  
All rights reserved. No part of this publication may be reproduced in any form  
without the written permission of ROLAND CORPORATION.  
 
USING THE UNIT SAFELY  
The  
symbol alerts the user to important instructions  
Used for instructions intended to alert  
the user to the risk of death or severe  
injury should the unit be used  
improperly.  
or warnings.The specific meaning of the symbol is  
determined by the design contained within the  
triangle. In the case of the symbol at left, it is used for  
general cautions, warnings, or alerts to danger.  
Used for instructions intended to alert  
the user to the risk of injury or material  
damage should the unit be used  
improperly.  
The  
symbol alerts the user to items that must never  
be carried out (are forbidden). The specific thing that  
must not be done is indicated by the design contained  
within the circle. In the case of the symbol at left, it  
means that the unit must never be disassembled.  
* Material damage refers to damage or  
other adverse effects caused with  
respect to the home and all its  
furnishings, as well to domestic  
animals or pets.  
The symbol alerts the user to things that must be  
carried out. The specific thing that must be done is  
indicated by the design contained within the circle. In  
the case of the symbol at left, it means that the power-  
cord plug must be unplugged from the outlet.  
Before using this unit, make sure to read the  
instructions below, and the Owner's Manual.  
Always grasp only the plug on the power-supply  
cord when plugging into, or unplugging from an