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Box Material- Anything not MDF/Birch?


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Posted

ive spent quite a bit of time in the guitar and pro audio world, all of the best sounding cabinets ive ever heard in my life were built from poplar.

i have to wonder if that has something to do with the frequency response of the combination of your guitars, pedals and the way those amps were built

well its not just guitar cabs. pro audio, home theater, heck lots of different things.

Interesting....it does have a pretty grain to it too

its all about the density, resonance, and reverberation. notice that musical instruments arent made of mdf or plywood......

Owner of BigAss Ports

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Posted

its all about the density, resonance, and reverberation. notice that musical instruments arent made of mdf or plywood......

True, but there is a pretty key difference between speakers and musical instruments. Instruments are meant to produce sound, speakers are meant to reproduce it. With an instrument the resonance and reverberation you get is part of the distinctive sound that particular instrument makes. With a speaker cabinet, if it is resonating or reverberating its adding something to the sound that wasn't originally there and should not be there.

ETA: After I thought about it electric guitar cabs are the exception to the above since they are expected to add some amount of coloration to the sound.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

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Posted

ive spent quite a bit of time in the guitar and pro audio world, all of the best sounding cabinets ive ever heard in my life were built from poplar.

i have to wonder if that has something to do with the frequency response of the combination of your guitars, pedals and the way those amps were built

well its not just guitar cabs. pro audio, home theater, heck lots of different things.

Interesting....it does have a pretty grain to it too

its all about the density, resonance, and reverberation. notice that musical instruments arent made of mdf or plywood......

Your right there. My guitars are all maple capped mahogany with set maple necks

Posted

ive spent quite a bit of time in the guitar and pro audio world, all of the best sounding cabinets ive ever heard in my life were built from poplar.

i have to wonder if that has something to do with the frequency response of the combination of your guitars, pedals and the way those amps were built

well its not just guitar cabs. pro audio, home theater, heck lots of different things.

Interesting....it does have a pretty grain to it too

its all about the density, resonance, and reverberation. notice that musical instruments arent made of mdf or plywood......

Your right there. My guitars are all maple capped mahogany with set maple necks

im an ash body telecaster kinda guy.

Owner of BigAss Ports

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Posted

Yea if you look at some classical guitars too the body shape and bracing has a ton to do with it. I am always a little bit surprised that with non-hollow body guitars people say the body colors the tone of the guitar.

Since I don't play guitar that much I don't really have a opinion either way but it makes me wonder whats going on that could color the sound. I'll have to get my epiphone out...mess around with it a bit tonight :)

Posted

in some cases i will agree with that. certain finishes will definitely have an affect on the tone. then again with certain pickups, it ALMOST doesn't matter what woods or finished are used. For example the pickups that James Hetfield of Metalica uses. It ALMOST doesn't matter what wood, finish or even body shape you have, those pickups pretty much sound the same in almost everything. That assumes you make no other changes from the guitar to the speaker.

Posted

in some cases i will agree with that. certain finishes will definitely have an affect on the tone. then again with certain pickups, it ALMOST doesn't matter what woods or finished are used. For example the pickups that James Hetfield of Metalica uses. It ALMOST doesn't matter what wood, finish or even body shape you have, those pickups pretty much sound the same in almost everything. That assumes you make no other changes from the guitar to the speaker.

High gain pickups are stupid like that. Get a few different guitars with single coils, a nice tube amp with a good clean channel and reverb, and you'll start to notice the differences.

Owner of BigAss Ports

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Posted

Wait what? Birch is hard as hell. Some powertools have trouble cutting it. It is WAY harder than MDF. Why would you have to brace the hell out of the box? Are you using single ply or something? Don't use single ply. Go get some furniture grade multi-ply birch. That is the stuff you want. You say 3/4 inch thick but where can you even find single ply 3/4 inch birch in pieces big enough for a subwoofer enclosure? I would double check what you are looking at. There are also different types of birch mentioned earlier. I admit I only skimmed. Somone correct me if I am wrong. Don't forget to stain and protect it :P

It makes complete sense to use birch for the same reason it makes sense to build drums out of birch. Think about it. Both a drum and a Speaker enclosure involve what is basically a moving membrane in a hard enclosure. Birch drums are usually louder sounding because the wood is so hard and good at reflecting the sound instead of absorbing it or flexing.

Now drum building gets really complicated because like you guys said with guitars as well you can use different materials to color the sound to get the sound you want. It's not about total efficiency so sometimes you use softer woods and things on purpose. That being said birch drums are usually the most expensive!

Speaking of which, There is even evidence to suggest birch is a good choice specifically for low frequencies. Like a subwoofer!

http://mikedrums.com/tuning/shell.html

It isn't brittle either. I have a huge 8 cubic foot box with an 18 in it in the back of my Jeep XJ. If it wasn't birch it would have turned to splinters by now. There wasn't any side to side/front to back room left but there was some up and down. Fixed it with a ratchet strap :P

Posted

Drums are typically layers of walnut, birch or maple. Each will have their own sound

Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out.

not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it. :)

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