GR-55 FloorBoard is a powerful third-party, open-source editor designed by Colin Willcocks (Gumtown) that visually maps the entire tone engine of your Roland GR-55 Guitar Synthesizer. Bending down to tweak parameters on the hardware screen can cause physical strain, but this software brings comprehensive control straight to your computer desktop.
To master your synth using the FloorBoard editor, follow this structured breakdown covering connection, signal path design, assignment routing, and library management. Initial Setup and Connection
Before loading the software, you must ensure a stable hardware-to-software handshake.
Install the Roland USB Driver: Download and install the official Roland GR-55 Driver matching your operating system before plugging in the unit.
Connect Hardware: Use a standard USB 2.0 Type A-to-B “printer” cable to link your GR-55 to your PC or Mac.
Establish MIDI Link: Open FloorBoard, navigate to Settings > Preferences > MIDI, select the GR-55 as your input/output device, and click Connect until the icon glows green. Mastering Tone Architecture
The GR-55 features a massive dual-engine layout. FloorBoard renders this complex voice architecture into a clear, scannable flowchart:
┌──► PCM 1 Synth Tone ──┐ ├──► PCM 2 Synth Tone ──┼──► [ MFX / AMP / MOD ] ──► OUTPUT [ GK PICKUP ] ───┼──► COSM Model Guitar ─┤ └──► Normal Pickup ─────┘
PCM 1 & PCM 2: These tabs reveal two independent, full-fledged subtractive synthesizers. FloorBoard lets you drag envelope curves for Attack, Decay, Sustain, and Release (ADSR), and adjust filter cutoffs graphically.
COSM Guitar Modeling: Skip the hardware dial scrolling to instantly select virtual models like Rickenbacker, Stratocaster, or acoustic 12-strings, choosing your desired pickup configuration directly via drop-down menus.
Effects Routing: Toggle and drag blocks for Multi-Effects (MFX), independent Equalizers, and Modulations (like tremolo or pan) across the signal chain. Managing Matrix Assignments
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