(Topic ID: 241499)

How to soften or quieten a loud knocker

By rlbohon3

5 years ago


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  • 23 posts
  • 20 Pinsiders participating
  • Latest reply 4 years ago by SonicZone
  • Topic is favorited by 1 Pinsider

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    #1 5 years ago

    I'm possibly going to help fix a Williams Diner that has a very loud knocker. It's just too loud. I've read about trying to use a felt furniture leg foot to soften the blow, but does that help enough? What other suggestions? Adding a resistor in series with the coil? Adjusting/loosening the position of the coil?

    #2 5 years ago

    You could unplug the connector. Won't be loud at all then.

    Otherwise I'd say some sort of sound deadening material between the rod and plate would be a good start.

    #3 5 years ago

    I put a piece of paper or thin cardboard (like they put in the back of dress shirts) folded about 3 times and tape it to the plate

    #4 5 years ago
    Quoted from TractorDoc:

    You could unplug the connector. Won't be loud at all then.
    Otherwise I'd say some sort of sound deadening material between the rod and plate would be a good start.

    Ha... yeah, I guess that would be pretty quiet. The game is in a restaurant and feels like it's a bit disruptive to customers when it cracks that loud knock. Deadening material seems like a good try.

    #5 5 years ago

    Maybe put a rubber shooter rod tip over the knocker plunger.

    #6 5 years ago
    Quoted from rlbohon3:

    Ha... yeah, I guess that would be pretty quiet. The game is in a restaurant and feels like it's a bit disruptive to customers when it cracks that loud knock. Deadening material seems like a good try.

    I'd remove it then
    the restaurant makes money from diners, not pinball

    #7 5 years ago

    Unscrew it and remount it so the plunger just strikes (touches) the plate.

    #8 5 years ago

    This is sacrilege.

    #9 5 years ago

    I like knockers

    #10 5 years ago

    Don't mess with a loud knocker.

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    #12 5 years ago

    Pull the coil, remove the knocker rod, replace the coil.

    #13 5 years ago

    Quieten.

    #14 5 years ago

    A felt furniture pad works perfect. Pre-cut and ready to stick. On my machine it took the crack out but still gives a nice thud.

    #15 5 years ago

    Buy a stern

    #16 5 years ago

    I agree with the OP. I like the sound of a real knocker but it can be too loud. A way to quiet it just a bit would be great. Let us know the results of your attempts.

    #17 5 years ago

    Thanks for the responses. The game is in an old 50's diner/drive-in. Perfect setting for the Diner game. It just happens to crack that knocker like a gun going off. It's seriously one of the loudest knockers I've heard.

    Good tips on the felt furniture pad or rubber pad. I hope to give that a try if the restaurant owner will let me help him out with his machine. Definitely looking for a good thud to be heard/felt but not a .40 caliber being shot.

    #18 5 years ago

    If its too loud, you're too old.

    #19 5 years ago

    remove the metal strike plate

    #20 5 years ago

    At least it's not that damn screech from newer Stern games.

    #21 5 years ago

    Wait this isn’t your game and the guy hasn’t asked for help? You’re just going to offer it out of the blue?
    Not sure how it’s gonna go over but best of luck. I think if he hasn’t cut it off (like so many DE games I have seen) then he likes it

    #22 5 years ago
    Quoted from Isochronic_Frost:

    Wait this isn’t your game and the guy hasn’t asked for help? You’re just going to offer it out of the blue?
    Not sure how it’s gonna go over but best of luck. I think if he hasn’t cut it off (like so many DE games I have seen) then he likes it

    It’s one of a number of things I’m offering to help him with.

    #23 4 years ago
    Quoted from rlbohon3:

    The game is in an old 50's diner/drive-in. Perfect setting for the Diner game.

    Quoted from PopBumperPete:

    the restaurant makes money from diners, not pinball

    Good one!

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