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[Samc]

Darius van H wrote on Mon, 08 September 2008 21:47

Is it okay to to leave the untreated sill-plates directly on the concrete slab like this?

[Thomas Jouanjean]

Sam,

Yes, no problem. The contractor used a hardener so less water, less short-term humidity. If that's what you're asking for?

[Samc]

Thomas@Northward wrote on Tue, 09 September 2008 17:43

Sam, Yes, no problem. The contractor used a hardener so less water, less short-term humidity. If that's what you're asking for?

Yes, I was wondering about the wood wicking up moisture from the slab.

[Darius van H]

The build continues, more materials arrive, half of the floor above (storage area) is laid:

[mastertone]

Looks great!

This is really inspiring , cant wait to build my new studio... In 3 years or so...

[iquinn]

hi Darius/Thomas,
looks like it's going to be a great room!

As you had something of a blank canvas, I'm just wondering, when you decided on the room dimensions, was your speaker choice or preferred listening volume a major/minor factor in choosing what dimensions would work best?

Or was it just a case of what would be the best use of that space?


thanks,
S.

[Thomas Jouanjean]

iquinn wrote on Fri, 12 September 2008 04:44

hi Darius/Thomas, looks like it's going to be a great room! As you had something of a blank canvas, I'm just wondering, when you decided on the room dimensions, was your speaker choice or preferred listening volume a major/minor factor in choosing what dimensions would work best? Or was it just a case of what would be the best use of that space? thanks, S.

Hi,

Speaker choice is not the most important factor as the room should work with basically any proper mastering speakers. Their placement is carefully studied, as well as the estimated optimal sub placement. But this part is actually the part that is most subject to "real life adjustments" as different speakers will sound best at slightly different places (depending on their dispersion pattern, their size etc). When it comes to SPL, every treated room has a "saturation" point where it's response will start to collapse. This is due to some of the acoustic treatment being able to manage efficiently only a certain amount of energy (treatment based on resistance to flow for example). In Darius's case, this saturation point is very high, and mastering at that kind of SPL would be unthinkable.

When it comes to dimensions, I believe they are important, and up to a limit, bigger is better. But I believe strongly that the behaviour of the space, so how you shape your room and manage dispersion of sound in it is critical. The whole geometry is really what is important - and usually rather complex to decide on. If you get that right, you can be pretty sure the room will be performant.

So a lot of things come into "best us of that space". But you could sum it up this way yes.

But there are no recipes though, each room is unique. Hope that answered your questions?

[iquinn]

Thomas@Northward wrote on Sat, 13 September 2008 10:59

Hi, Speaker choice is not the most important factor as the room should work with basically any proper mastering speakers. Their placement is carefully studied, as well as the estimated optimal sub placement. But this part is actually the part that is most subject to "real life adjustments" as different speakers will sound best at slightly different places (depending on their dispersion pattern, their size etc). When it comes to SPL, every treated room has a "saturation" point where it's response will start to collapse. This is due to some of the acoustic treatment being able to manage efficiently only a certain amount of energy (treatment based on resistance to flow for example). In Darius's case, this saturation point is very high, and mastering at that kind of SPL would be unthinkable. When it comes to dimensions, I believe they are important, and up to a limit, bigger is better. But I believe strongly that the behaviour of the space, so how you shape your room and manage dispersion of sound in it is critical. The whole geometry is really what is important - and usually rather complex to decide on. If you get that right, you can be pretty sure the room will be performant. So a lot of things come into "best us of that space". But you could sum it up this way yes. But there are no recipes though, each room is unique. Hope that answered your questions?

It certainly does.
thank you.

so with regard to spl then, i take it there's an optimal one for each room, were the acoustic treatment is working the most efficiently?

[Thomas Jouanjean]

iquinn wrote on Sat, 13 September 2008 05:49

It certainly does. thank you. so with regard to spl then, i take it there's an optimal one for each room, were the acoustic treatment is working the most efficiently?

It's not really a question of it being optimized, but it being as high as it can be (well, within reason) - and that is of course linked to how much space you can use, what type of materials/systems you can use, in short: of the initial conditions. This is when experience and knowledge of various products and their behaviour is important.

[iquinn]

Thomas@Northward wrote on Sat, 13 September 2008 12:36

It's not really a question of it being optimized, but it being as high as it can be (well, within reason) - and that is of course linked to how much space you can use, what type of materials/systems you can use, in short: of the initial conditions. This is when experience and knowledge of various products and their behaviour is important.

ok, thanks!

[Darius van H]

The studio door arrived on Friday. It's made by Merford, and they also installed it (200 kilos of pure fun!)

Link: Merford

[Darius van H]

update: rockwool, asphalt

[Samc]

How wide are the studs, and how what's the thickness of the Rockwool that will go into the walls?

I also noticed that no bracing was used between the studs, was there a special reason for this?

[Thomas Jouanjean]

Hi Sam,

There is no need for bracing in this case. The Rockwool is 10cm thick - semi-rigid type.

Take care!

[Darius van H]

Latest: first inner layer of rockwool, bass trap started.