Audio
Meyer Sound ULTRA-X40 troubleshooting
The Meyer Sound ULTRA-X40 problems live-event techs bring to Ask Roadie most (also called ULTRA-X42, UltraX40). Pick your symptom, or describe your own in plain words, and get the likeliest fix first, with the manual page when there is one.
Common ULTRA-X40 errors & problems
What techs run into most, and what's usually behind it. The step-by-step fix for your exact unit is in Ask Roadie.
- Step-by-step fixGet the fix →
Amp cycling on/off, dropouts, or low output at end of a long AC run / many looped boxes
Likely cause: Marginal voltage at the box makes the supply hunt on/off.
- Step-by-step fixGet the fix →
How to rotate the horn to swap wide/narrow coverage plane
Likely cause: The concentric-driver horn is mechanically rotatable, letting one cabinet cover either a wide-horizontal or wide-vertical zone without changing the box.
- Step-by-step fixGet the fix →
Hum, hiss or buzz from the loudspeaker
Likely cause: Pulling the input instantly splits "speaker fault" from "system/ground problem." Proper pin-1 grounding at both ends preserves the built-in virtual ground lift instead of defeating it.
- Step-by-step fixGet the fix →
Limit LEDs staying lit / distortion at high level
Likely cause: TruPower limiting measures actual voice-coil power (V and I), so a steadily lit Limit LED is a true "over the safe max" indicator, not a nuisance.
- Step-by-step fixGet the fix →
No audio at power-up / On-Status LED never turns solid green
Likely cause: Solid green is the only "ready" state.
- Step-by-step fixGet the fix →
On-Status LED flashing red
Likely cause: The amp is convection-cooled with per-channel thermal limiting; flashing red is its protection state.
- Step-by-step fixGet the fix →
Overheating / thermal shutdown or SPL fold-back; hot heat sink
Likely cause: With only passive convection, blocked rear airflow is the top overheat cause.
- Step-by-step fixGet the fix →
Weak low end / comb filtering / bad coverage across multiple boxes
Likely cause: Parallel-looped inputs mean one flipped cable inverts a whole box; cancellation at crossover shows up as thin/uneven response, not an obvious fault.
Not on the list? Describe it your way, or paste the error code off the display. Ask Roadie works the problem with you until it's fixed or you have a clear next move.
How Ask Roadie helps with the ULTRA-X40
- 1. Pick the Meyer Sound ULTRA-X40. It's already in the list.
- 2. Describe what you're seeing. In your own words, or the error code off the screen.
- 3. Get the likeliest fix first. Steps in order, the manual page when there is one, and a note when other techs have confirmed it.
- 4. Still broken? Tap 👎 and it keeps going from where you left off.