using one piece of solid wood for an enclosure - Page 2

till · 7th May 2003, 08:39 AM

aside from the aesthetical value, we don´t need much strength in the construction because it doesn´t take any force like a constructive part when building a house. What we need is a sealed box, and not to much resonace in the band the speaker should be used in. The massive block will be possible to seale from inside, and you are enabled to make a part with very thick walls and high mass. Thick walls means good dampening and high mass is advanageous too. I think the problem is to find a really good pieve of wood, else the idea is fine.

till · 7th May 2003, 10:45 AM

cut with bandsaw

jan.didden · 7th May 2003, 11:20 AM

Quote:

Originally posted by till
aside from the aesthetical value, we don´t need much strength in the construction because it doesn´t take any force like a constructive part when building a house. What we need is a sealed box, and not to much resonace in the band the speaker should be used in. The massive block will be possible to seale from inside, and you are enabled to make a part with very thick walls and high mass. Thick walls means good dampening and high mass is advanageous too. I think the problem is to find a really good pieve of wood, else the idea is fine.

Well, large books have been written on the selection of the right material with high internal damping. Just taking a large thickness of an unspecified piece of wood will not necessarily lead to better damping. What it will do for sure is shift the vibration frequency of the enclosure up. But I am sure you guys know that, so that is why I assumed this was being done for asthetic reasons.

Jan Didden

Jared · 7th May 2003, 11:45 PM

yes, the main idea was to preserve the incredible color sworls n the growth rings of this particular log. I am not too overly concerned about eh sound quality for a home theatre subwoofer, so long as it is still better than commercial mass market crap. I wold asume that an 80 lb piece of wood would have enough mass to not resonate too strongly in the 10-100hz range?

till - now that I think about it, I have sen the guy who actually vut this og for me do some plunge cutting with his chainsaw and not have it kick back. It is definately not something I want to try.

It is just time tho, so I will give it a shot with a 1 icnh wood drill bit and the drill press. If it splits it will be disapointing, but I can just glue it back together and deal with it.

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7th May 2003, 08:39 AM	#11
till Banned Join Date: Apr 2002 Location: Germany, Clausthal	aside from the aesthetical value, we don´t need much strength in the construction because it doesn´t take any force like a constructive part when building a house. What we need is a sealed box, and not to much resonace in the band the speaker should be used in. The massive block will be possible to seale from inside, and you are enabled to make a part with very thick walls and high mass. Thick walls means good dampening and high mass is advanageous too. I think the problem is to find a really good pieve of wood, else the idea is fine.

7th May 2003, 11:45 PM	#14
Jared diyAudio Member Join Date: Sep 2002 Location: Raleigh NC	yes, the main idea was to preserve the incredible color sworls n the growth rings of this particular log. I am not too overly concerned about eh sound quality for a home theatre subwoofer, so long as it is still better than commercial mass market crap. I wold asume that an 80 lb piece of wood would have enough mass to not resonate too strongly in the 10-100hz range? till - now that I think about it, I have sen the guy who actually vut this og for me do some plunge cutting with his chainsaw and not have it kick back. It is definately not something I want to try. It is just time tho, so I will give it a shot with a 1 icnh wood drill bit and the drill press. If it splits it will be disapointing, but I can just glue it back together and deal with it.