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View Full Version : The new hifiroom !! - Acoustics -



Niklas Nord
12-13-2003, 03:22 AM
Damping materials
http://pal.pp.se/~nord/akustikbygge/Bild164.jpg

http://pal.pp.se/~nord/akustikbygge/Bild163.jpg

http://pal.pp.se/~nord/akustikbygge/Bild166.jpg

Dont know what this is called in english,
nut in Swedish itīs "masonit" I will be using this
in the cutted sides that lean towards the wall
http://pal.pp.se/~nord/akustikbygge/Bild168.jpg

Niklas Nord
12-13-2003, 03:28 AM
The actual thing
http://pal.pp.se/~nord/akustikbygge/Bild158.jpg

http://pal.pp.se/~nord/akustikbygge/Bild160.jpg

http://pal.pp.se/~nord/akustikbygge/Bild159.jpg

This space will be the place for the HUGE subs
http://pal.pp.se/~nord/akustikbygge/Bild161.jpg

400 liters, and the 2245 18", one on each side
http://pal.pp.se/~nord/akustikbygge/Bild167.jpg

When the right wall is ready, then iīl start over with the
left side haha, uhh.. TIME CONSUMING
SUCK SUCK SUCK ... Detta tar TID, faktiskt MASSOR med tid.. :?
http://pal.pp.se/~nord/akustikbygge/Bild162.jpg

The precious ones, in the bedroom.. crying to be back online
http://pal.pp.se/~nord/akustikbygge/Bild169.jpg


The walls are 20cm thick, and calculated to be effective
from aprox 300hz to 25 000hz

Maron Horonzakz
12-13-2003, 07:04 AM
NORD.....You dont want to suck the life out of the room. Proceed with extreem caution. Unless you have expierence with LIVE END DEAD END room treatment. You can be doing more HARM than GOOD. Consult with a recording studio archetect / engideer. MARON

Niklas Nord
12-13-2003, 10:15 AM
I allready have, one of my friends is an acoustics engineer actually.

Steve Schell
12-13-2003, 11:51 AM
Hi Niklas,

I highly agree with your approach to damping your listening room. It has been my experience, that, the smaller the room the more damping it needs. Closely timed reflections are very harmful to accurate soundstaging, and add much confusion to the sound in general. Also, midrange energy tends to pile up and add an unnatural emphasis in an undertreated room.

What we are after is to maximize the percentage of direct sound from the loudspeakers to your listening position, and minimize the percentage of reflected sound which is unrelated to the recorded signal. There is plenty of information recorded in those grooves and pits without adding more from the room!

Have you ever listened to a stereo system outdoors? It sounds terrific! Conceptually, it would be great if we could have a crane lift the room off of our hi fi systems and listen in a (quiet) outdor environment free of reflections. The next best thing is to minimize the room's contribution to the sound as best we can.

leif
12-13-2003, 11:57 AM
Hi Niklas,

I guess you just HAVE to invite me for a demo next time I come to Stockholm :D

Leif Arild
Norway

Niklas Nord
12-21-2003, 09:32 AM
http://pal.pp.se/~nord/akustikbygge/Bild177.jpg


http://pal.pp.se/~nord/akustikbygge/Bild179.jpg


http://pal.pp.se/~nord/akustikbygge/Bild180.jpg


http://pal.pp.se/~nord/akustikbygge/Bild181.jpg


http://pal.pp.se/~nord/akustikbygge/Bild183.jpg

Niklas Nord
12-21-2003, 09:35 AM
Almost done





http://pal.pp.se/~nord/akustikbygge/Bild186.jpg

http://pal.pp.se/~nord/akustikbygge/Bild187.jpg

http://pal.pp.se/~nord/akustikbygge/Bild188.jpg

http://pal.pp.se/~nord/akustikbygge/Bild189.jpg

NOW, itīs an adventure listening to all my CDīs again.
The sound improvement os OUT OF THIS WORLD

There is NO other way to make souch an big improvement on the overall sound, than doing some acoustic treatment.

GREAT

There will be more treatments also :rolleyes:

thevott
12-21-2003, 11:01 AM
Small rooms with parallel planes often do require the most attention to acoustic damping. A fun experiment that my brothers and I did as teenagers was to record a system with a suitable microphone and play it back on the same system. The room achoustics (among other distortions) would be exasperated on the playback and echos and problem frequencies would stick out like a sore thumb. If you performed the operation a third time, Ahh!!
I too like the clean and dry outdoor sound especially when using direct radiating loudspeakers. The reverb or hall aspect is generally included on the recording anyway.
thevott

MJC
12-21-2003, 11:32 AM
I was comparing your pics of the K2 s9500 with the ones on the JBL web site. Yours looks simular to the K2 s5800. And the other models on the JBL "America" site are the 9800. JBL must be selling different K2 models in Europe compared to the ones offered here.

Niklas Nord
12-21-2003, 11:37 AM
nono, itīs the s9500

the biggest K2 ever, if you dont count the M9500 as bigger then :p


These are mine, better pics of the 300 kilo beasts

http://pal.pp.se/~nord/K2/K2_06.jpg

http://pal.pp.se/~nord/K2/K2_09.jpg

fredmarantz
12-22-2003, 04:24 PM
Hi Nicklas!

Very impressive work/project -I hope that it will turn out to be the ultimate listening fascility for you. I never heard those JBL's, but they look promising. I've had quite a few experiences with arranging acoutics in listening rooms - rehearsing fascilities - studios and so on. The damping, measuring, tuning provides to me some sort of ultimately controlled sound. I have become some kind of "tired" of it, because the listening in those rooms became very uniform in the long run..... Not because it isn't good to listen to, but my attention was drawn too hard to "check out" if everything
sounded like it should - I never relaxed and enjoyed. (that could well be because of my psycological nature).
I have more and more come to that conclusion, that things sound like they do!! - (a bit difficult to explain and it maybe sounds like nonsense). If the sound is somewhat explainable (within certain limits, of course) I have no problem and I can relax and enjoy.

Nevertheless I'm impressed by the way you put your energy into this ambitious project. I'd love to hear it.

One last remark: Please take the photos to a higher level - I'm sure we would all like to se, what your projekt looks like and what's going on there.

Kind regards

Freddy

Don McRitchie
12-22-2003, 05:16 PM
Originally posted by MJC
I was comparing your pics of the K2 s9500 with the ones on the JBL web site. Yours looks simular to the K2 s5800. And the other models on the JBL "America" site are the 9800. JBL must be selling different K2 models in Europe compared to the ones offered here.

The K2 S9500 was the first K2 speaker with the S9800 being the most recent. It was introduced in 1989 and the last production run was in 1999. As Niklas said, the s9500 is considerably larger than the s5800 and sold for around $35,000/pr. Details are here:

http://www.audioheritage.org/html/profiles/jbl/k2.htm

Audiobeer
12-22-2003, 06:36 PM
Hell of a project and speakers. Cant wait Niklas to hear how it turns out. I have thought about the room I am billing downstairs for audio what treatments for reflective sounds I will use. The commercial stuff is very expensive!

Niklas Nord
12-23-2003, 03:22 AM
Yes, the s9500 is almost the double in weight
than the s5800 :D

The work with carying the s9500 crates up to my
apartment on floor 3, was some experiencing
project ever!!


yes, there will be better pictures to folow, and also
will a measure the rooms response AND echotime,
donīt know whatīs it called in eng.

Niklas Nord
03-09-2004, 12:58 PM
Some new pictures from my monstrous home --> :biting: monster
Thanks to my friend Alex taking the pics !


JBL
http://user.faktiskt.se/alexi/nn/1.jpg

Iīm chatting with my ampfilters
http://user.faktiskt.se/alexi/nn/2.jpg

Monsters
http://user.faktiskt.se/alexi/nn/3.jpg

Exclusive gear
http://user.faktiskt.se/alexi/nn/4.jpg

This monster is waiting for his girlfriend to come home
http://user.faktiskt.se/alexi/nn/6.jpg

Niklas Nord
03-09-2004, 01:01 PM
The e-155 dont like the big box :p
there was some serious noise from the
holes so i had to use tape to stop the air
moving... :rolleyes:

http://user.faktiskt.se/alexi/nn/7.jpg

A must have thing

http://user.faktiskt.se/alexi/nn/8.jpg

One of the hang-out places

http://user.faktiskt.se/alexi/nn/11.jpg

pic of the day, the 2123

http://user.faktiskt.se/alexi/nn/12.jpg

the_bf_swede
03-12-2004, 04:28 AM
Wow, great job Nicklas!

I'm so glad I had the opportunity to come by and listen before You redesigned. Looks great. Sounds even better i hope!!!

As I am about to move (tomorrow) my only concern is the living-room beeing somewhat small. Think my 250Ti's like to live in large spaces... But with bay windows and irregularities it may turn out really good.

Christer

Niklas Nord
03-12-2004, 06:10 AM
Thank you Crister !
You are welcome to listen any time again !!!