Plugging it into things
Every jack, what it is for, and the two or three that regularly cost people an evening.
04 · 7 min
For a mono rig, always use the LEFT/MONO jack of a pair. Using the right one on its own gives you half your effects and a thin sound.
The jacks
Click any jack to see what it does and what to watch for.
Helix Stadium Floor · Rear panel · schematic, drawn from Line 6’s panel diagram
INSTRUMENT
TS, ¼″rear panel
Your main guitar or bass input.
It has switchable impedance, a pad and a noise gate built into the input itself — before any block. If a guitar sounds harsh or noisy, fix it here rather than spending a block on it.
Helix Stadium Floor Cheat Sheet (Rev A)The mono rule
Outputs come in stereo pairs, and only the left jack of a pair carries a summed mono signal. If you take one cable from the right jack, you get one side of a stereo image: quieter, thinner, and missing anything that was panned away from it.
The Stadium has three outputs with independent mixes, so “which output” is a real question here in a way it is not on other modellers.