Interesting topic right here as I am currently building a large 3-way main system replicating ATC SCM100 and lately I was investigating how to line the cabinet inside.
I first thought of 8cm egg-crate but then came to the conclusion I better line the cabinet with bitumen and fill its internal with some kind of wool or polyester.
I think egg-crate might be effective for high frequencies and flutter-echos but that's it
I first thought of 8cm egg-crate but then came to the conclusion I better line the cabinet with bitumen and fill its internal with some kind of wool or polyester.
I think egg-crate might be effective for high frequencies and flutter-echos but that's it
And how would you recommend externally bracing an already finished (and quite beautiful) enclosure?
Get a mechanics stethoscope. Turn it up, feed it music and see what you can hear. If you can’t hear anything no need to fix.
dave
dave
Gotcha. Will do that.
Just noticed that you are in BC. I was just in your neighborhood last weekend. If I had noticed this sooner, I would have asked you to meet for a cup of joe and a BS session.
Just noticed that you are in BC. I was just in your neighborhood last weekend. If I had noticed this sooner, I would have asked you to meet for a cup of joe and a BS session.
Did you make it to Vancouver Island?
BC is big. About a third bigger than Texas, but only about 55% the size of Alaska.
dave
BC is big. About a third bigger than Texas, but only about 55% the size of Alaska.
dave
I was in Victoria, proper. I'm in Seattle right now, for about another 3-4 weeks, then back to Florida.
Yep, sorry I missed you. My wife wanted to make the trip, but it was too touristy in the city. LOL
I can’t remember the last time i was in the city proper — except to drive thru parts on the way to the doctor, dentist, or to visit my dad. We live on the side of a mountain just up from the base of the Malahat.
Pictures in here: 14th Annual Vancouver Island diyFEST-2017
dave
Pictures in here: 14th Annual Vancouver Island diyFEST-2017
dave
That looks awesome! I wish I could have attended that event. I would have been the dumbest guy in the room, but that just means I have the most to learn. Hahahaha
I know that for the sake of bragging rights there are quite a few that would context that :^)
dave
Solid7, I'm not sure if I understand your question correctly, but Onkyo has made a two-way speaker with sculpted internal walls. The stated purpose is to augment the lower frequencies, and sound absorbent was used.
オンキヨーが和楽器と同じ桐を使ったスピーカーを開発 - 週刊アスキー
オンキヨーが和楽器と同じ桐を使ったスピーカーを開発 - 週刊アスキー
Does this mean you have a sealed 2 way with no stuffing? If so the lowest resonances of the air cavity are likely severe, rear radiation from the midwoofer at midrange frequencies will not be absorbed with a proportion passing out through the midwoofer cone, the Q of the box resonance will not be lowered,... An experiment to hear the difference in sound between with and without stuffing should be simple to perform and can be expected to be significant.
In a subwoofer cabinet there is no high frequency sound to absorb and lowering the Q is often not required and so stuffing may serve no beneficial purpose.
If the cabinet is stiff with the lowest resonances well above the passband of the driver then breaking symmetry won't matter because the modes won't be driven. In fact, symmetry can be beneficial if the driver is placed so that symmetric modes are not driven.
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