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  the listening room: "golden ratio"?
I too am about to build a listening room, actually, I'm building a garage and adding the room over the top. There seems to be a lot of advice to pay attention to the "golden ratio" which, essentially requires a room at least 25 feet long, by, roughly 17. this seems really "BIG". The rationale for the size is based on the theory that the lower hz frequency has a "wave length" of 25' or something to that affect. However, there are few speakers that reach down to that range. I have BW N804, whose freq. response is around 40hz. I was thinking of getting some N803's which add a bit, but still nothing close to 20hz. As nice as it might be to build a 25'X 17' room, I'd like to stick to somehthing around 15 X 12, roughly half the total size of the garage. How much would I "lose" in that size? The other consideration is the cost of heating this room, living in the north, my electronics would not like to spend the winter out there at -30 and electric base board heat would run up a hell of a bill.
thoughts?
joeb
Joeb  (System | Threads | Answers | This Thread)

12-08-02
  Responses (1-14 of 14)
Click title to read one, or click date to read all below it.

12-08-02   I don't buy that rationale because your ears only hear part ...   Aball

12-08-02   Look at this site and then you'll understand why things are ...   Tireguy

12-08-02   You could--i'd say should--also consult f. alton everest, &q ...   Tom_nice

12-08-02   These are good resources above, there is one other that is a ...   Rives

12-13-02   In fact the golden ratio is 1:1.4:1.9 which is based on the ...   Redwoodgarden

12-15-02   Red, yes, i found the same info on resonant modes/room dimen ...   Joeb

12-15-02: Redwoodgarden
Joeb,
You're right about "High End Audio" not having much on acoustic construction. However, it did mention ASC's Walldamp acoustic construction method on page 115. I checked out ASC (Acoustic Science Corp.) on the internet which provided a wealth of information on acoustic construction methods. As a matter of fact, I just received
all their wall damp mateials needed to construct a 13 X 17 foot sound room. Not only will the room sound great when conpleted, but all that insulation will keep the room warm during cold winter weather. Another method you might try in making your room more cost efficient for heating is putting
your sound room in the center of the second floor with the extra outer room space used as a heat buffer.

Redwoodgarden  (System | Threads | Answers | This Thread)


12-17-02   Hi joeb. i am a bit late on this one, but thought it worth ...   Redkiwi

01-05-03   To those of you still watching this thread; i have been rese ...   Joeb

01-08-03   Joeb, you might consider opening the ceiling to the roof (ca ...   Zargon

01-08-03   Zargon, great idea. i have already thrown out the previous ...   Joeb

01-08-03   Golden ratio is : phi = 1.618033.. phi*phi = 2.618033.. th ...   Nar_com

01-08-03   Nar, com, now i'm really confused, i thought the ratio was: ...   Joeb

01-09-03   Joeb, the golden ratio is the irrational number that is equ ...   Nar_com


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