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3rd September 2007, 02:59 AM  #1 
diyAudio Member
Join Date: Jul 2006

litres to box size
just say i have a driver needing a box volume of Eg. "1.53 Litr" how do i work out the dimensions. im new to this have only ever used kits.

3rd September 2007, 03:24 AM  #2 
Speakerholic
diyAudio Moderator

1 litre is 10cm^3. You can adjust the individual dimensions to suit.

3rd September 2007, 03:30 AM  #3 
diyAudio Member
Join Date: Jul 2006

thanks!!

3rd September 2007, 06:12 AM  #4  
diyAudio Member
Join Date: Feb 2004
Location: Stockholm

Quote:
1 litre is 1000 cm³ or 1 dm³ or 0.001 m³. That is, a cube with the side 1 dm = 0.1 m = 10 cm encloses a volume of 1 litre. 

3rd September 2007, 06:32 AM  #5 
frugalphile(tm)
diyAudio Moderator

Take the size in litres, multiply by 1000 and then take the cube root. That gives you the internal dimension in cm of a cube the right size.
If you take that number and multiply by 1.618 and divide it by 1.618 you get the dimensions in cm for a classic golden ratio box. I will leave other shapes as an exercise dave
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3rd September 2007, 06:55 AM  #6 
diyAudio Member
Join Date: Jun 2004
Location: Next to an open wormhole NW of Toronto

A cubic foot is a three dimensional area of space bounded by the dimensions of one foot by one foot by one foot.
.....soooooooo A cubic litre has to be an area of space bounded by the dimensions of one litre by one litre by one litre. Seems quite logical yet that doesn`t seem to work. Coming into this from being comfortable in the antiquated Imperial system I found it impossible to wrap my mind around this, so I stick with building my cabinets in inches and foots. When volume is defined as cubic litres I have to deconvert into cubic foots. All this converting back and forth is a royal pain down around the cubic hairs.
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3rd September 2007, 07:01 AM  #7  
diyAudio Member
Join Date: Jun 2004
Location: Next to an open wormhole NW of Toronto

Re: litres to box size
I just read the question again and realized the answer is quite simple.
Quote:
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3rd September 2007, 07:21 AM  #8 
diyAudio Member
Join Date: Feb 2004
Location: Chinook Country.Alberta

sorry, but no areas of space...
Regions, yes, but an area refers to 2D bounded surfaces. "Space" usually means 3D. and is suitable as a volume. Every litre is approximately 60 cu. inches. or 1000 cubic centimetres.
take your volume in cubic centimetres and take the cube root of it. Times that value by: [sqrt(5)+1]/2, and also by [sqrt(5)1]/2 there's your dims, if a golden rectangle is desired for an enclosure (as Dave pointed out, the numbers are close to 1.62, and .62 respectively). Those will be really tiny enclosures: 7.1cm X 11.5cm X 18.6cm
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stew ☮ "A sane man in an insane world appears insane." 
3rd September 2007, 07:28 AM  #9 
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Join Date: Jun 2004
Location: Next to an open wormhole NW of Toronto

3D space has `Regions`, not areas. I stand corrected. Thank you Nanook. It is late and my 2D excuse is that I`m feeling quite zoned by now after a long day...
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3rd September 2007, 07:36 AM  #10  
frugalphile(tm)
diyAudio Moderator

Quote:
A liter is a volume unit, Like a gallon (=0.16 ft^3). dave
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