Roland GA-212 - Manual (Page 3)

Copyright © 2012 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
Owner’s Manual
Guitar Amplifier
GA-212
A guitar amp with 200 W output and two custom 30 cm
(12-inch) speakers.
GA-112
A guitar amp with 100 W output and one custom 30 cm
(12-inch) speaker.
Roland’s PROGRESSIVE AMP technology gives a broader and richer guitar sound
This newly developed PROGRESSIVE AMP with COSM technology offers an original drive control, enabling continuous and smooth changes, not only for
gain, but between the amp’s characteristics as well. This feature allows a variety of rich sounds and is ideal for many different types of performance, from
a good clear clean sound to a sticky crunch sound, and through to high-gain super extreme, and also allows comfortable playing with distortion.
Intuitive operation
The GA-212/GA-112 are equipped with four channels and you can set different tones for each channel. Each knob has an LED pointer that indicates the
current setting. The LED pointer allows at-a-glance tone checking and quickly indicates any change of channel. The channel settings are automatically
saved after every operation. The exclusive foot controller gives easy foot control of the GA (p. 8).
Equipped with simple operation of basic functions and expandability
In addition to 3-band EQ, presence and mid boost allow versatile sound creation. Exclusively-designed reverb gives great spatial effects. The unit is
equipped with two independent effect loops and can be set for each channel. The unit has the basic functions needed for both live performance and
recording. Link connection can also be easily made, allowing you to enjoy a performance with a more powerful sound.
What is COSM?
Composite Object Sound Modeling (COSM) is Roland’s innovative and powerful sound modeling technology. COSM
analyzes the many factors that make up the original sound, such as the electrical and physical characteristics of the
original, and then produces a digital model that can reproduce the same sound.
AUTO OFF function
• The unit has an energy-saving AUTO OFF function; the unit is automatically turned off approximately 4 hours after last use.
• When shipped from the factory, the unit comes with the AUTO OFF function turned ON.
• To override the energy-saving setting, set the [AUTO OFF] switch to OFF as described on p. 6.
“What type of stage amplifier do guitarists really want?“ After much intensive research and development, GA is Roland’s answer.
GA is an amp with easy intuitive operation and with a sound that resonates with the guitarist’s inspiration.
By focusing on these key points, a “live amp“ was born with a sound character that satisfies guitarists, simple operation and all the functions required for a
great live performance.
In our search for a sound that moves the performer’s heart, we experimented endlessly to get it just right. Our efforts have borne fruit and we believe
Roland’s unique amp delivers sound quality beyond tube and solid state amps.
It was also essential to ensure that operating the unit was simple and intuitive. All guitarists desire “to only concentrate on artistic performance, without
being diverted by technical control.“ This amp is designed with simple and intuitive operation and is ideal for all guitarists.
GA is the next-generation stage guitar amp, born from Roland’s years of technological experience and know-how.
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About The Exclusive Foot Controller
• The exclusive foot controller (GA FOOT CONTROLLER) is an available option.