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Old 16th June 2008, 10:56 AM   #1
Andy G is offline Andy G  Australia
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Default New cabinet under construction.

A curved sided bookshelf style using real 'Jarrah' timber sides and back (only the baffle will be mdf, 1").... is currrently in construction.

Drivers will be Seas ER18 + TDFC, I will try the Zaph x-o for these drivers (his ZA-SR71), baffle will be rectangular and of the same dimensions, as will be cabinet volume and porting, just the shape is different.

I think I need to listen to a design from one of the 'gurus' at this stage, just to see where I really stand on sound and listening issues, but I think the driver combination deserves something more special than a 'box' so I'm doing everything I can to keep to John's original design while creating something with a bit of 'me' in it. The construction is actually proving rather complicated, which is fun !!!!!

Like, I NEED more speakers. !! DOH !!!
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now, I'll let you think about how a curved sides speaker can be built out of real timber !!
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Old 16th June 2008, 11:55 AM   #2
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Steam, pressure and patience ??
Soaking in a mix of exotic and/or toxic chemicals ( formalin and ammonia ) come to mind; before placing in a two peice mould and applying mass.
Or starting with a big thick plank and carving away whats not wanted
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Old 16th June 2008, 04:25 PM   #3
sreten is offline sreten  United Kingdom
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Default Re: New cabinet under construction.

Quote:
Originally posted by Andy Graddon

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now, I'll let you think about how a curved sides speaker can be built out of real timber !!
Hi, Staves is probably the most sensible option for not wasting wood, /sreten.
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Old 16th June 2008, 07:01 PM   #4
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Is that like Kerfing? where you cut slits 1/2way through on the concave side?
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Old 16th June 2008, 09:14 PM   #5
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Default Re: Re: New cabinet under construction.

Quote:
Originally posted by sreten


Hi, Staves is probably the most sensible option for not wasting wood, /sreten.
Who is Staves - is he a cabinet builder?

Just kidding.
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Old 17th June 2008, 03:08 AM   #6
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Quote:
Originally posted by Iain McNeill
Is that like Kerfing? where you cut slits 1/2way through on the concave side?
Staves: The individual wood slats that make up the curved sides of a barrel. Quite an art to make them fit well enough that when they swell up they are water tight. Especially with hand tools.
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Old 17th June 2008, 04:59 AM   #7
Andy G is offline Andy G  Australia
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Default Sides are done....

As you can see, its a translam. Next step, cut the baffles then do the top and bottom.

http://members.optusnet.com.au/~grad...arrahspeak.jpg
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File Type: jpg jarrahspeak.jpg (43.1 KB, 915 views)
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Old 17th June 2008, 05:59 AM   #8
ttan98 is offline ttan98  Australia
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Andy,

you must enjoy carpentary and has lots of patient..
nice cabinet..

cheers..
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Old 17th June 2008, 06:05 AM   #9
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Andy,

I'd like to place an order...

regards,
Thanh.
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Old 17th June 2008, 06:20 AM   #10
Andy G is offline Andy G  Australia
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Quote:
Originally posted by tktran303
Andy,

I'd like to place an order...

regards,
Thanh.
They would cost you a pretty penny. They are hard work !!!

If you are serious, they will be for sale once finished. go email.

X-o will be all Jantzen caps and coils, met-ox resistors. I don't know if I will use the impedence compensation LRC though.

You are in Perth, ie Jarrah country, so you can probably imagine what these are going to look like once they are all polished up and glossy !!



I have to think of a stand design for them. So if anyone has any ideas/pics that might match the style of speaker, that would be helpful. Ideas are always helpful !!
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