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#2289535 - 06/14/14 05:59 AM Re: Kawai VPC1 [Re: Alba]
rnaple Offline

Silver Supporter until April 24 2014


Registered: 12/23/10
Posts: 2083
Loc: Rocky Mountains
That's a cute one, peter. I'm gaining the room and getting rid of the clutter so I can roll around the room.
We can have even more fun with String Theory. smile
_________________________
Ron
Your brain is a sponge. Keep it wet. Mary Gae George
The focus of your personal practice is discipline. Not numbers. Scott Sonnon

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#2299015 - 07/05/14 09:20 PM Re: Kawai VPC1 [Re: Alba]
rnaple Offline

Silver Supporter until April 24 2014


Registered: 12/23/10
Posts: 2083
Loc: Rocky Mountains
From looking into acoustic treatment. There is much to consider. Much that doesn't work. Some that works great.
As a result. I have an EMM-6 microphone coming. So I can analyze my room. Make good decisions. Instead of building, trashing, and building again.

One thing I do know. Since I have wall to wall carpet. And I have a typical room for any home. Bass is important to subdue. Everybody has a problem with at least one bass node that resonates because of the size of the room. I was throwing together these burlap bags with insulation. Intend to use them under tables. Move them around to see effects or take care of something. For right now. I have put them in the corners. The effect is impressive, already. Just thought I'd show pictures in case anyone is interested. You can go this cheap and easy for much effect on your sound.






I'll throw in this one for the heck of it. Brian is cool. You can see the bag behind the monitor.



EDIT: Those bags should work better with the top one hanging from the ceiling. Take care of that ceiling corner. I may prop them up temporarily with some 1x2's that I have. Don't want to put up hooks in the ceiling that I will probably pull out when I've built the soffit traps for the corners.


Edited by rnaple (07/05/14 09:32 PM)
_________________________
Ron
Your brain is a sponge. Keep it wet. Mary Gae George
The focus of your personal practice is discipline. Not numbers. Scott Sonnon

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#2299798 - 07/08/14 09:13 AM Re: Kawai VPC1 [Re: Alba]
J.T.1986 Offline
Full Member

Registered: 05/06/14
Posts: 44
Loc: Toronto, Canada.
nice use of the bags, before i read the post i thought you may have just been a major caffeine fiend lol ;p.

Are those bags gonna be a permanent fixture? or are you thinking of something else to use once youve got the sound you want?

Ive never thought too much about how much affect the room has on sound, this is very interesting.

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#2300098 - 07/09/14 04:16 AM Re: Kawai VPC1 [Re: Alba]
rnaple Offline

Silver Supporter until April 24 2014


Registered: 12/23/10
Posts: 2083
Loc: Rocky Mountains
The bags just created another problem for me. The problem is that I like them. Doh!
I'll probably keep some of them. Maybe use the material on my soffits? I'll build soffits, since they definitely work better. If I tried to come close with these bags. I would have to put two of them, side by side in each corner. Then at the top ceiling corner also. I'm afraid that might be a bit too much of the bags. Soffits just appear as a pillar in the corner.

As I said. I have an acoustic testing microphone coming. To get a clear view of what I'm doing.

Soffits are simply a square shape that goes up the corner. Most build two of them that are four feet tall each. Stack two of them. It is said to use either fluffy insulation or low density mineral wool panels. The fluffy shouldn't be too fluffy. Use the kind that will sit in a wall and not drop. It will stand up on it's own. Doesn't have a backing to staple to the studs. This is the kind of density of fluffy that will work good. That is the kind of fluffy I have in my bags now.

As I said. Bass is the big problem. Tone down it's bouncing around. Knock out it resonating in the room. You've taken care of most of the problems.
Next step is to take care of the early reflections at the listening position.

Only thing is, when I'm done. The room will look very pretentious. I'm a very unpretentious person. I like the "coffee fiend" look. smile So I'm looking at keeping the bags in some context.

EDIT: That bass note you usually hear from sound systems. When you can't hear anything else. Just it. That's usually about 40Hz. And the harmonics of it.


Edited by rnaple (07/09/14 04:19 AM)
_________________________
Ron
Your brain is a sponge. Keep it wet. Mary Gae George
The focus of your personal practice is discipline. Not numbers. Scott Sonnon

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#2315308 - 08/14/14 04:51 AM Re: Kawai VPC1 [Re: Alba]
rnaple Offline

Silver Supporter until April 24 2014


Registered: 12/23/10
Posts: 2083
Loc: Rocky Mountains
I'm realizing. The shape of the top of the VPC. That along with the music rest and how it's made. These took into consideration imaging and sound reflections. Of course when the monitors are placed properly. Which most people don't.
The top. Makes it difficult for reflections to bounce in your face.
This is also why I'm using a small adjustable music rest. When using the VPC music rest. I have to use the small one for a holder for my music light. No big deal. Just can't clip the mighty light on the VPC rest. I got the best of both worlds.
I do admit. I'm considering fabricating a small piece of metal so the VPC rest can have the mighty light clip on it.
I'd like to thank Kawai for this consideration.
_________________________
Ron
Your brain is a sponge. Keep it wet. Mary Gae George
The focus of your personal practice is discipline. Not numbers. Scott Sonnon

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#2328132 - Yesterday at 03:59 PM Re: Kawai VPC1 [Re: Alba]
scorpio Offline
500 Post Club Member

Registered: 11/30/12
Posts: 521
Loc: Connecticut, USA
Just saw this article, dated September 13, Billy Joel and the Kawai VPC1: https://www.facebook.com/pages/Kawai-Pianos/107626515984210
_________________________
Kawai MP11 :: JBL LSR305 :: Focusrite 2i4 :: Pianoteq Standard

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