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Sound engineering - how to create an adequate coin drop sound?
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XyloSesame:

--- Quote from: Akuma on November 08, 2007, 07:53:36 pm ---<<SNIP>>
...make the drop sound more satisfying.
<<SNIP>>

--- End quote ---

I've provided foley for shadow-puppets for non-mic'd stage - the effects have to be over the top to be heard. I needed coin drops for a production and found that a metal mixing bowl provided the best resonance. It had to be a cheap one, though - thin metal - as the better quality bowls tend to dampen the sound. The width of the bowl will also determine how you can project your sound; if you can find a medium sized bowl with a good depth, you should be able to mount/position it in a way that will project the sound of the drop toward the player (or coin-dropper, as it were). Also, you can experiment with denting the bowl (slightly) for variation in both pitch and resonance.
patrickl:

--- Quote from: ChadTower on November 09, 2007, 10:44:21 am ---
--- Quote from: patrickl on November 09, 2007, 05:16:42 am ---I thought the classics did have wood boxes. What's wrong with that sound? Otherwise use a bucket and fill it with coins. That gives you a more modern sound.

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I can't say I've ever seen a game with a wood box that wasn't obviously an improvised solution.  They've all been metal with a few plastic.

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The Nintendo (Donkey kong etc) and Namco (Galaga, Pac man etc) cabs of that era had wooden coin boxes.
ChadTower:

My Pac cab has a metal box... possibly added later?  Not sure but the few Namco cabs I've been in also had metal boxes. 
MaximRecoil:
My Super Punch-Out machine has a factory metal coin bucket, while my Dynamo machines came with plastic buckets.

For a loud, resonant, metallic sound when you drop a quarter in, use an empty food container that is a cardboard cylinder with a thin metal bottom like DaOld Man suggested. Quite a few types of food come in containers like that. I'm using a large iced tea mix container in one of my Dynamo cabinets because it is missing its original plastic bucket. It sounds better than the original plastic bucket in the other Dynamo, and better than the much heavier factory steel container in the SPO machine (the heavier metal dampens the sound more). 
Jeffy:
 I read somewhere that the old Atari Cabs had bread loaf pans in them. My Xevi cab has a full over-under, with a plastic bin dated 1981., but really, any container with a layer of coins in it should give you that plink. The loaf pan idea is pretty good though.
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