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Big G
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#1
24th January 2006
Old 24th January 2006
  #1
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Location: "El Jay" Ljubljana, Slovenia
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Isolation cabinets

Hello people!

I'm new to the forum. A little background info first. I ordered some isolation cabinets (randall 12" and 10") from a company here 3 months ago. Having paid up front and waiting they finally iformed me that they cannot get them. So I am now in DIY mode (got full refund BTW) and I am looking for any design that may be floating around. I have some experience with the demeter (SSC-1). So I am looking for a design with the door access. I will build these myself which should be fun because I hammer like lightning....I never strike the same place twice.
Any response will be appreciated.

G

Quote: "I see!" said the blind carpenter as he grabbed the hammer and saw.
Baz
#2
24th January 2006
Old 24th January 2006
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Baz
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My first post, new around here..and just spotted this thread.


My buddy and I built a prototype back in Dec and just sold our first ISO cab a couple weeks ago.

more or less Demeter Demensions that I got off a guy @ VSP who has the Demeter, but we chose to load ours from the top, not a hatch.

The new one is "prettier." We used a V30 speaker and Auralex foam...Dead quiet...

http://www.vsplanet.com/ubb/ultimate...c;f=9;t=004975

It's a lot of work making these suckers but worth It I guess. I as indicate in the thread, I have a Mesa MKIV that is hella loud and the only challenge is decoupling the cab for the floor, for those that have dwellers beneath them it would pose a problem for. Me, my studio is in the bsmt of my place so it's not an issue. But even so, the transfer thru the floor is minimal and liken to a a sub at moderate volumes above you..
Big G
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#3
25th January 2006
Old 25th January 2006
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Baz,

Thanks for the link. I have the basic demeter dimensions so I will try to emulate their design with the hatch. I want the option of opening the door to varying degrees. Really don't have to worry about neighbors. There is a bar below us.

http://www.grant-austin.com/images2/grad/

Some shots of studio in progress.

G
Baz
#4
26th January 2006
Old 26th January 2006
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Baz
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Ah, well......if you already have the demensions, what are you asking for then? ...I'm a little confused cuz that's all we did: we obtained the demensions from a friend that has that cab and improvised.

If you're intent on the "hatch" that's prolly the easist part. Just look at pics of the Demeter and approximate the hatch. The hardware is pretty basic and simple to find..

BTW, nice pics. Looks like a pretty spot and a nice large space. I'd wanna add some treatment to your main room as it looks like a reverb chamber ..but I'm sure it ain't finished
#5
26th January 2006
Old 26th January 2006
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This post was my answer to a question I got as a personal message a couple of days ago;

Several threads on the Gearpage forum have discussed the Demeter and Randal iso boxes. You`ll also find some clips in a couple of the threads below and probably quite a bit of usefull info.

Apartment Living and Recording/100 watt heads....
http://www.thegearpage.net/board/sh...4&highlight=v30

Recording with Demeter or Randall ISO cabs
http://www.thegearpage.net/board/sh...demeter+speaker

Iso cab recording
http://www.thegearpage.net/board/sh...=%22iso+cabs%22

Fuchs w/Demeter SSC 1, PRS HBII
http://www.thegearpage.net/board/sh...demeter+speaker

12" Spkr for Demeter Isocab: Recommendations?
http://www.thegearpage.net/board/sh...demeter+speaker

Anyone using iso-cabs?
http://www.thegearpage.net/board/sh...demeter+speaker

low volume solutions? Iso box? Attenuators?
http://www.thegearpage.net/board/sh...demeter+speaker

Just ordered a Palmer Cab sim to use with a Two Rock...
http://www.thegearpage.net/board/sh...=%22iso+cabs%22

------------------

I`ve got three of the SSC-1`s but initially I didn`t find the Demeters to attenuate the sound enough so I isolated all the insides with Bitumen (asphalt/tar) plates and that helped A LOT. But it was also expensive, a lot of work and the Demeters weigh a ton now.
Btw. I also replaced the artificial `wool` with real lambs wool for the most natural diffusion. True story.

For Bitumen info;
http://www.google.com/search?hl=no&r...+isolation&lr=



Today I would rather have bought something like a couple of Gilmore jr. (with the mods) or Ardmore amp kits.
A really low watts amp (1-2 watts) along with some good to great pedals (the Stephenson Stage Hog (a one watt amp in itself)) can give some big sounds not much louder than the leakage from a standard Demeter type iso box.

The Gimore/Ardmore kits
http://www.guytronix.com/pages/1/index.htm

A note on iso boxes;
It`s very hard to substitute the lack of moving air that you`ll get from speakers in an open room. An iso box will also easily bring in some unholy blend of early reflection/phase cancelling/boominess that might need to be eq`ed in a clever way to get `satisfying` results.

If building this yourself why not build an amp closet where you can actually place an amp and have some air moving?

Some iso box/low volume recording articles on the amptone site (a DIY article on a 6'x4'x3' isolation cabinet with space for a 4x12 cab);
http://www.amptone.com/index.html

I know people have turned vocal booths into amp closets. Shouldn`t be too hard to find some vocal booth drawings on the net. Just drop the windows and isolate the crap out of it.

Big G
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#6
26th January 2006
Old 26th January 2006
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Thanks for the info guys. I mentioned that I had the "basic" dimensions of the demeter. I should've been more specific and said the "basic external dimensions". I am concerned with the internal space allocation. How to divide the cabinet space for best results. In any case, I will be using these (I want one for bass and guitar) for tracking bands as a unit. Apparently it seems to be a bit of a new concept here. Everyone is used to laying down their parts one at a time. Call me old fashioned, I am what I am. I will check out the links provided (threm). I will also upload some more pics of the room. It's basiaclly finished....just gotta work on the heat..e.

G

http://www.grant-austin.com
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