SEATTLE — The Mariners are asking fans for feedback, not about the roar of the crowd, but about the amplified street preachers who have become a game-day fixture outside T-Mobile Park.

The team recently launched an online “Amplified Noise Survey,” asking attendees how the loud sermons affect their experience.

During recent public comment at a Seattle City Council meeting, one resident said he measured the preachers’ volume at more than 110 decibels — peaking at 121.7 — as families waited in line to enter the ballpark. That’s well above the city’s baseline limits.

Under Seattle’s Noise Control Code, maximum permissible sound levels vary depending on the land-use zone of the receiving property. For commercial properties, like T-Mobile Park, the cap is 60 decibels (dBA) during daytime hour

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