devices · FM3 · reference
look it up fast
tables, diagrams and fixes. built to be opened mid-session with a guitar still on, not read front to back.
the hardware
- controls and footswitchesinteractiveevery control on the FM3, on a diagram you can click, including the gestures not printed on the chassis.
- inputs and outputsinteractiveevery jack on the FM3, on a diagram you can click: what it's for, and what to watch for.
- specificationsthe numbers that answer a question. a source on every line, and a note wherever the bare figure misleads.
sound
- scenes and channelsonly heretwo different axes, and the pair that lets one Fractal preset replace a dozen.
- the grid and CPUonly herehow presets are built, and why the meter is a budget you manage rather than a cap you hit.
- what the model names meaninteractiveFractal name their models with puns, like everyone else, and only sometimes say what they are based on.
- levelsinput trim, output level and preset level do three different jobs on the FM3. use each control for its own job.
- cabs and user IRswhat an impulse response is, how one gets onto the FM3, and why only the .syx file loads.
using it
- rig setupinteractivepick what you're plugging into. you get the cabling, the cab block setting, and what to watch for.
- MIDIwhy Fractal CC numbers are assigned, not fixed, and the mapping option that lets a one-message controller drive a scene-based rig.
- questions and answerscommon questions about the FM3, answered in a sentence or two, with a link to the detail.
- troubleshootingonly hereindexed by what you notice, such as no sound, not by the subsystem behind it.
reference
real amps, each read from its schematic, ready for your FM3.