Roland GA-112, Training Manual

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Roland GA-112/212 Training Guide
1. FEATURES
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High-output stage amps with advanced technology and intuitive operation
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GA-112: 100 watts RMS into 1 x 12” custom designed speaker;
GA-212: 200 watts RMS into 2 x 12” custom designed speakers
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Amps share all features and controls
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New COSM Progressive Amp provides extraordinary tone range from
super clean to ultra extreme
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Simple traditional amp controls
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Four channels plus Manual mode for instant access to very wide range of
tones
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Built in channel switching, boost, mid boost, and reverb
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Two series/parallel switchable effect loops
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Channels, boost, mid-boost and reverb switchable with dedicated
footswitch
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Continuously variable drive control with optional expression pedal
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Innovative LED indicator changes color to indicate tone type
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Cool “Retro-tech” look
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Unique “Smart Channel” feature: channels automatically store knob
settings, without programming or write procedures