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Multi-Way Conventional loudspeakers with crossovers

Is MDF  or plywood better for speaker cabinets?
Is MDF  or plywood better for speaker cabinets?
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Old 10th November 2019, 01:05 AM   #1
djn is online now djn  United States
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Default Is MDF or plywood better for speaker cabinets?

I'm starting a new full range speaker project and want to know what is better for cabinets MDF or good plywood.
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Old 10th November 2019, 01:30 AM   #2
carlthess40 is offline carlthess40  United States
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Buy you just asked a very debated question
Iím sure you will get 100ís of answers on this
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Old 10th November 2019, 01:34 AM   #3
John Busch is offline John Busch  United States
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You can combine the two... simple.. recommend the baffle plate be MDF..Top, bottom & back ply.. sides MDF. Mixing it up, mixes up resonances. Simple. YMMV!
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Old 10th November 2019, 01:38 AM   #4
synonymous is offline synonymous  United States
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I think that the idea is to make sure that the resonances are pushed up with adequate bracing. Regardless of what materials you use. You can always double the face (baffle), and other surfaces until satisfaction is achieved..

Use what your knee jerk reaction tells you.
Enjoyment is the most important part for sure
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Old 10th November 2019, 01:46 AM   #5
vinylkid58 is offline vinylkid58  Canada
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Is MDF  or plywood better for speaker cabinets?
Geezuzz, everyone knows plywood is better.

jeff
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Old 10th November 2019, 01:55 AM   #6
Face is offline Face  United States
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Whatever you have access to and prefer working with.

I have access to Baltic Birch and many exotic hardwoods locally, so I never use MDF anymore. Plus, I hate MDF dust.
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Old 10th November 2019, 02:14 AM   #7
Oneminde is offline Oneminde  Sweden
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I will make a comment for you to reflect on.

Acoustic instruments produce music while loudspeakers reproduce music.
The former must resonate to amplify and the later should not resonate, it should be inert. The former have have low damping factor and the later should have high damping factor.

damping factor values - audio qualia
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Old 10th November 2019, 02:47 AM   #8
planet10 is offline planet10  Canada
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Is MDF  or plywood better for speaker cabinets?
We only use MDF for things like spacers (disimilar material) or bases & such. Quality plywood has significant advantages. But actual box design and execution play significant roles too.

I have seen (& have) some very nice solid wood speakers. Not for the builder faint of heart. Stranded/fossilized bamboo plywood is the best sheet material we have used.

Next up would be constrained layer boxes.

dave
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Old 10th November 2019, 02:58 AM   #9
djn is online now djn  United States
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I came across this while looking density specs. Looks interesting

I really like bamboo thought.


Noiseless Plywood – dB Engineering
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Old 10th November 2019, 03:00 AM   #10
wiseoldtech is offline wiseoldtech  United States
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Of course the opinions vary.
The stuff I've built is with MDF, along with bracing.
In my opinion, the box should not add/subtract any sounds that the speakers put out, the box is only there to support the speakers, and eliminate rear reflections.
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