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Thunderpants! - Page 139

post #2071 of 2199

Ceramic has the tiny dents in it which acts like acoustic foam.  I hear it's very nice for bounching frequencies off of.  Same as wood.  But with wood you would need the acoustic foam.  Ceramic is pretty easy to drill through, just use a metal bit.  Glass would be awesome though for the drivers.  If you could get it clear, that would be one of a kind.  Like a custom IEM.  Very cool!

post #2072 of 2199

Glass is $7 per cm^3  ---- VERY expensive

 

Ceramic is $0.20 per cm^2 (surface area)

 

Ceramic's have strict rules because of the glazing http://www.shapeways.com/design-rules/ceramics

Maybe I can keep the inside of the cups unglazed to preserve the relatively flat edge that will touch the baffles.

 

Also, should I make the baffles out of ceramic, or would wood or foam board be better?

 

Thanks,

Perry

post #2073 of 2199

Wood and foam board would cut down on weight.  Although it depends.  Wood would sound the best.  Smeggy uses wood on his.

post #2074 of 2199

So, for the cups, would: wood, ceramic, nylon, or alumide sound the best?  I just found some wood cups for $30 on ebay and baffles for $5.

 

And which of the above materials for the baffles would sound the best?

post #2075 of 2199

Simply,

 

What is the best material for the cups and what is the best material for the baffles?  (Sound quality-wise)

 

Thanks,

Perry

post #2076 of 2199

Wooden baffles would sound the best.  Wooden everything is what Smeggy uses.  It has little pores in the wood and it makes the sound frequencies bounce back the best or something.  I am not sure how it works but it's probably the nicest sounding and looking.

post #2077 of 2199

This material is porous, but I might just order wooden cups/baffles because wood is a proven design...

 

Perry

post #2078 of 2199

Yeah, I remember Smeggy saying that he uses wood because it's attractive, affordable, and it's easy to fabricate.  He didn't claim it to have significantly superior acoustic properties.  Just FYI...
 

post #2079 of 2199

You can't go wrong with all wood, it's very nice.

post #2080 of 2199

Ceramic will be way too brittle!

post #2081 of 2199

I use ABS cups and acrylic baffles on my Plastic Pantz, and they sound great (but are a little heavy at 24oz.).

post #2082 of 2199

My katalox Smeggy Thunderpants weigh in at 18oz for comparison.

Quote:
Originally Posted by funch View Post

I use ABS cups and acrylic baffles on my Plastic Pantz, and they sound great (but are a little heavy at 24oz.).

post #2083 of 2199

Can someone please post the dimensions of the driver/ driver PCB assembly thing?  I need to get them to jschristian so he can make baffles for me.  Will foam board baffles be okay?

 

Perry

post #2084 of 2199

It is 40mm I think.

post #2085 of 2199

Would maple, walnut, or mahogany cups sound the best?

 

Perry

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