Horns sound funny.

Main Train Horns
1

Okay my shockers are sounding very funny. By funny I mean squeaky. when i blow them they squeak. after about 2 tanks drained they sound normal but not how they did when i bought them.

Things I have done to try and fix this prob.

-Drain tank of all water.
-Put horns on a different tank and blow them(at my PD)
-made sure all lines are water free

Any help would be appreciated!!

2

If you have 150psi or more u could’ve messed up a horns diaphragm by blowing too much air

3

do u use water traps?

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4

Ive never had more than 150. I knew that was a big no no lol

I’m putting one on tomorrow.