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Leslie PatelJul 26, 2025
Why is there hum in my Meridian 861 system?
- DDaniel RobertsJul 27, 2025
To improve measurements, disconnect analogue sources from the analogue input card used for room correction. Reorganize wiring to eliminate the hum loop in your system. Also, hum can be picked up by the microphone/SPL meter lead, so using a shielded cable can help reduce this.